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AvalonBay Communities — full event log

Every event we have on file across every reporting year. The Data-by-year tab summarises the top 10 per year; this page shows them all.

← back to Data by year

2025· 1 event

Planned acquisition of 8 Texas communities for ~$618.5M announced Feb 2025affects total assetsData confidence — high

Post-fiscal-year event: The Company entered into agreements to acquire eight apartment communities in Texas (2 in Austin, 6 in Dallas-Fort Worth) for an aggregate purchase price of $618,500,000, expected to increase Expansion Region allocation from 10% to 12%.

sustainability_report p.5

2024· 19 events

Dependent: Resident-facing renewable electricity and utility reductionData confidence — high

AvalonBay activated its first resident solar project (first of fifteen planned) to provide renewable electricity to residents, and educated residents on disaster preparedness and ways to reduce utility consumption — addressing downstream leased asset (tenant) emissions.

sustainability_report p.2

Primary: Energy efficiency retrofits guided by portfolio decarbonization assessmentData confidence — high

AvalonBay completed a portfolio-scale decarbonization assessment to identify meaningful energy retrofit projects and prioritize sustainability capex investments. This is being integrated into Asset Strategy Reviews so climate considerations are built directly into business decisions.

sustainability_report p.2

On-site solar program expanded to 69 installations / >10 MWData confidence — high

AvalonBay expanded its solar program to 69 installations representing over 10 MW of capacity in 2024. The company activated its first resident solar project, the first of fifteen planned projects that will provide renewable electricity to residents.

sustainability_report p.2

Sold eight wholly-owned communities for $726.2M in 2024affects revenueData confidence — high

During 2024, AvalonBay sold eight wholly-owned communities containing 1,532 apartment homes for gross proceeds of $726,200,000, resulting in a gain on disposition of $363,208,000. Communities included AVA Belltown, AVA North Hollywood, Avalon Hackensack, AVA Theater District, Avalon Darien, Avalon New Canaan, Avalon Berkeley, and AVA Ballard.

sustainability_report p.49

Forbes Net Zero Leaders Top 100 recognition; MSCI A and ISS Prime ratings maintainedData confidence — high

AvalonBay received recognition through Forbes' inaugural Net Zero Leaders Top 100 list, ranking fifth out of nine real estate companies. The company also maintained its MSCI A rating and ISS Prime rating for sustainability performance.

sustainability_report p.5

Solar panel installations and high-efficiency systems deployed across portfolioData confidence — med

AvalonBay deploys solar power installations across its communities as part of its operating strategy to reduce operating expenses and environmental impact. The company installs high-efficiency lighting and water fixtures, cogeneration systems, and solar panels as recurring capital improvements. Solar installations are explicitly cited as part of planned NOI-Enhancing Capital Improvements and as a sustainability solution that reduces both environmental impact and operating costs.

sustainability_report p.5

Primary: Sustainability-linked financing tied to greenhouse gas emission reductionsData confidence — high

AvalonBay's $2.25 billion revolving credit facility contains a sustainability-linked pricing component that provides interest rate margin and commitment fee reductions or increases based on achievement of greenhouse gas emission reduction targets, determined annually. In July 2024, the company maintained reductions of approximately 0.02% to the interest rate margin and 0.005% to the commitment fee by meeting its sustainability targets, creating a direct financial incentive for emissions management.

sustainability_report p.59

Primary: Investments in property technology and environmentally focused companiesData confidence — high

AvalonBay invests through taxable REIT subsidiaries in property technology and environmentally focused companies and investment management funds to further its sustainability efforts and learning. As of December 31, 2024, the company had invested $58.1M with $62.5M in remaining equity commitments. These investments provide both financial returns and sustainability insights, with $33.1M in realized and unrealized gains recognized in 2024.

sustainability_report p.50

Developer Funding Program (DFP) expansion with 3 projects under constructionData confidence — high

At year-end 2024, three DFP projects were under construction representing approximately $280 million in projected Total Capital Cost, expanding the company's development pipeline through third-party developers in Expansion Regions.

sustainability_report p.5

Primary: Energy efficiency upgrades and cogeneration at operating communitiesData confidence — med

AvalonBay deploys high-efficiency lighting, water fixtures, cogeneration systems, and solar panels across its operating apartment communities. These investments are treated as capital expenditures that directly reduce utility costs and operating expenses. The company views these as practical sustainability solutions that both reduce environmental impact and generate accretive returns, with NOI-Enhancing Capital Improvements budget of $110M planned for 2025.

sustainability_report p.4

Dependent: Green building standards and sustainability solutions in new development communitiesData confidence — med

AvalonBay incorporates sustainability solutions into new development communities, with a focus on deploying practical solutions that reduce environmental impact and operating expenses. The company's development strategy explicitly includes value-enhancing sustainability solutions as one of its five strategic focus areas. New developments are designed to improve energy efficiency and reduce greenhouse gas emissions, with the company noting that regulatory changes requiring improved energy efficiency could increase costs if not proactively addressed.

sustainability_report p.5

Adopted new 1.5°C-aligned emissions reduction targetsData confidence — high

AvalonBay adopted new 1.5°C-aligned emissions reduction targets, raising the bar from the original goal to be more ambitious about reducing environmental impact.

sustainability_report p.2

Enhanced climate risk disclosures (TCFD + California)Data confidence — high

Enhanced climate risk disclosures for greater transparency, incorporating TCFD and California regulatory requirements.

sustainability_report p.2

Portfolio-scale decarbonization assessment completedData confidence — high

Completed a portfolio-scale decarbonization assessment to identify meaningful energy retrofit projects and prioritize sustainability capex investments.

sustainability_report p.2

Scope 1 & 2 emissions intensity improved 7.7% YoY (55% from 2017 baseline)affects scope 1 co2eData confidence — high

Improved year-over-year Scope 1 & 2 emissions intensity by 7.7% YoY and 55% from baseline 2017, due in part to increased solar installations and energy efficiency initiatives.

sustainability_report p.1

Primary: Embodied carbon reduction via Life Cycle Assessments in developmentData confidence — high

AvalonBay uses Life Cycle Assessments on new developments to choose construction materials with lower embodied carbon footprints, addressing embodied carbon in new construction (Scope 3 capital goods).

sustainability_report p.2

Solar power installations and NOI-Enhancing Capital Improvements programData confidence — med

The company plans $110 million in NOI-Enhancing Capital Improvements in 2025, including solar power installations to reduce operating expenses, apartment renovations, and accessory dwelling units. This represents a value-enhancing sustainability approach.

sustainability_report p.5

Acquired six wholly-owned communities for $460.1M in 2024affects total assetsData confidence — high

During 2024, AvalonBay acquired six wholly-owned communities containing 1,441 apartment homes for an aggregate purchase price of $460,100,000, primarily in Colorado, Texas, North Carolina, and California.

sustainability_report p.49

Sustainability-linked credit facility achieved GHG reduction targets in 2024Data confidence — high

The Credit Facility contains a sustainability-linked pricing component tied to greenhouse gas emission reductions. The July 2024 annual determination maintained reductions of approximately 0.02% to the interest rate margin and 0.005% to the commitment fee due to achievement of sustainability targets.

sustainability_report p.59

2023· 13 events

Solar PV expansion + 85% green electricity procurementData confidence — high

In 2023, increased green electricity procurement to cover 85% of procurable common area electric load (~91,191,900 annual kWh) sourced from certified Green-E renewable generation (wind/solar). Activated 9 new solar PV systems (1.53 MW) bringing total to 60 operating solar sites (8.49 MW). 37 sites in development representing 14.81 MW. Expanding Resident Solar program to 13 California sites (8.16 MW capacity) and piloting Community Solar in Mid-Atlantic. 97 communities have or plan to have solar.

sustainability_report p.22

Primary: Building electrification + LEED Gold for new developmentData confidence — high

New Sustainable Development Policy requires mid-rise and high-rise buildings to achieve LEED Gold using BD+C Multifamily Mid-Rise v4. Mandatory design requirements for Energy Efficiency, Electrification (primarily electric HVAC & DHW), Embodied Carbon, Renewable Energy, Water Efficiency, Construction Waste, and EV Charging. 69 communities certified, 61 additional pursuing certification.

sustainability_report p.25

New waste diversion goal setaffects waste recycled tData confidence — high

Achieved 22% reduction in landfill-bound waste vs 2017 baseline (exceeded 20% goal). New goal starting 2024: maintain 20% waste diversion rate across portfolio.

sustainability_report p.31

Dependent: EV charging infrastructure + transit-oriented developmentData confidence — high

887 Level 2 EV chargers at 80 communities, plus 1,268 EV outlets at 72 communities. Updated EV Charging Standards in 2023 require 5% of new development parking equipped with Level 2 EVSE plus capacity for additional 5%. 112 transit-oriented communities; 4 TODs completed in 2023 with average Walk Score of 83. Car-sharing (ZipCar) at 14 communities.

sustainability_report p.23

Submitted upgraded 1.5°C-aligned SBTi targetsaffects scope 1 co2eData confidence — high

In 2023, assessed viability of upgrading science-based targets from 2°C to 1.5°C alignment and submitted upgrade application to SBTi in early 2024 ahead of 2025 expiry of current SBTs.

sustainability_report p.20

Expanded limited assurance to Scope 3 Cat 13affects scope 3 downstream leasedData confidence — high

Expanded scope of limited assurance from LRQA to include scope 3 energy and GHG emissions from downstream leased assets (residents' emissions, largest emissions category).

sustainability_report p.4

Switched to supplier-specific Scope 2 emissions factorsaffects scope 2 co2e marketData confidence — high

Moved scope 2 calculations from electric grid specific emissions factors to electric supplier specific emissions factors where available, providing a more representative view.

sustainability_report p.20

Embodied Carbon Tracking Policy adoptedData confidence — high

Adopted new policy requiring all new developments to conduct life cycle assessments (LCAs) covering A1-A3 stages. Established 2017 baseline retrospectively. Plan to set embodied carbon reduction target in 2024.

sustainability_report p.27

Dependent: Tenant/resident energy reduction (Scope 3 Cat 13)Data confidence — high

Downstream leased assets (resident emissions) is AvalonBay's largest emissions category at 237,063 tCO2e in 2023. Strategy includes green leases on all new residential leases/renewals starting 2023, GridRewards app in NYC (7% of NYC residents participated; reduced 1,590 kWh, generated $19,375), Resident Solar pilots producing electricity to offset entire community load including residents, and in-unit appliance/HVAC/cook stove electrification at end of life.

sustainability_report p.23

Primary: Existing portfolio energy efficiency retrofitsData confidence — high

Demand response and smart building data program covers 51 communities, generating $392,000 net annual utility savings in 2023, enabling 2MW reduction in grid stress. 209 smart thermostats installed across 21 communities. Energy audit/recommissioning, unit turn appliance replacement and lighting efficiency requirements identified as key initiatives in decarbonization roadmap to meet 2030 targets.

sustainability_report p.23

Launched Biodiversity Assessment ProcessData confidence — high

Released Biodiversity Risk Assessment Policy requiring all new developments and acquisitions to assess sites for biodiversity risk. All operating portfolio assessed by year-end 2023.

sustainability_report p.27

Primary: Embodied carbon reduction in new constructionData confidence — high

Embodied carbon is second-largest scope 3 category. Adopted policy requiring LCAs covering A1-A3 lifecycle stages for structure, enclosure, and drywall on all new developments. Established 2017 retrospective LCA baseline. Piloting embodied carbon design charettes; testing lower-carbon concrete, sub-flooring, and drywall. Will set project-specific embodied carbon target in 2024. Founding member of mindful MATERIALS Owners' Forum.

sustainability_report p.27

Targets aligned with 8 of 17 UN SDGsData confidence — high

Goals aligned with 8 of the 17 United Nations Sustainable Development Goals.

sustainability_report p.13

2022· 30 events

Climate risk portfolio assessment expanded to 14 risk factors (from 11)affects scope 1 co2eData confidence — high

In 2022 the VP ESG updated the climate risk portfolio assessment from 11 to 14 risk factors, adding FEMA NRI, Tsunami, and Wildfire. Assessment covers 275+ properties. First CRREM transitional risk stranding analysis also conducted in 2022.

sustainability_report p.9

Dependent: Downstream leased assets (tenant energy) decarbonizationData confidence — high

Cat 13 (downstream leased assets) is AvalonBay's largest scope 3 category at 219,143 tCO2e in 2022. Strategy includes green leases in all new residential leases starting 2023, GridRewards app in NY (8% of NY portfolio enrolled, reduced 2,924 kWh in summer 2022), resident engagement on conservation, and pilots like resident solar in California to engage residents in scope 3 reduction.

sustainability_report p.14

95% green electricity procurement + on-site solar expansion to 6.97 MWData confidence — high

AvalonBay increased green electricity procurement to 95% of procurable common area electric load (~92,743,000 kWh annually), sourced from wind and solar. Activated 13 additional solar panel systems representing 2.25 MW in 2022, bringing total operating solar to 51 sites with 6.97 MW. An additional 29 sites in design/development represent 8.79 MW. Piloting resident solar at 3 California communities and 6-location Community Solar pilot in Mid-Atlantic. Battery storage system at AvalonBay White Plains delivered 18% YoY utility savings.

sustainability_report p.12

13 new solar projects installed in 2022 adding 2.25 MWData confidence — high

In 2022, AvalonBay installed solar PV at 13 communities adding 2.25 MW, bringing total portfolio to 51 operating solar installations with 6.97 MW total. Annual CO2e savings of 2,065.17 tCO2e. Investment of $6.65M.

sustainability_report p.32

Primary: Building electrification pilots and HVAC efficiency upgradesData confidence — high

AvalonBay is piloting all-electric HVAC and hot water heating in 2 new northeast developments to build engineering knowledge for future gas-equipment replacements. Simultaneously, the company invests in HVAC energy management systems (e.g. $72k at Avalon Clinton South), building envelope air-tightness improvements (aerosolized caulk at Avalon Brighton at $165k), and LED/equipment efficiency upgrades across the portfolio. These measures reduced Scope 1 intensity from 0.9283 to 0.84 tCO2e/sqft between 2017 and 2022 (82% of the SBT achieved).

sustainability_report p.9

Dependent: Embodied carbon reduction in new construction materials (Scope 3 Cat 1)Data confidence — high

Construction materials (Cat 1) account for 157,507 tCO2e in 2022, the second-largest Scope 3 category. In 2020 AvalonBay identified concrete, steel rebar, and gypsum core drywall as the three highest-embedded-carbon materials. In 2022 two types of low-embodied-carbon concrete were piloted at AVA Arts District and a policy requiring Life Cycle Assessment (LCA) tracking on all new developments was finalised for 2023 rollout. A cross-functional committee engages vendors to source lower-carbon alternatives.

sustainability_report p.22

Procurable common area electricity shifted to 95% green e-certified wind energyaffects renewable electricity pctData confidence — high

In 2022 AvalonBay increased its procurable common area electric load to 95% renewable wind energy via retail supply contract (US-RECs). Previously NYC load was shifted to 100% renewable in 2021.

sustainability_report p.15

Portfolio-wide onsite solar, procured wind RECs, and resident/community solar pilotsData confidence — high

AvalonBay pursues renewables through three tracks: (1) onsite solar PV for common areas — 51 installations operating at year-end 2022 totalling 6.97 MW, with 29 more projects (8.79 MW) planned for 2023-2024 for a total of 15.76 MW; (2) shifting 95% of procurable common area electricity to green e-certified wind energy via US-RECs; (3) piloting resident solar at 3 California communities to cover full resident load and community solar in the mid-Atlantic portfolio. Solar is tracked on IRR and payback; a $32.3M investment is committed for the 2023-2024 phase. SREC monetisation in DC and NJ is excluded from emissions claims to avoid double counting.

sustainability_report p.17

Primary: Demand response and smart building programme across 51 communitiesData confidence — high

AvalonBay operates a data-driven demand response and smart building programme covering 51 communities in NY, MA and CA. In 2022 it generated $475k in net savings from demand response payments, capacity reductions, and energy efficiency measures, and enables a 2 MW reduction in grid stress during peak events. The platform also monitors combined heat and power (CHP) generation and supports battery storage dispatch optimisation. In NYC, a resident-facing GridRewards app enables residential demand response participation.

sustainability_report p.60

Primary: CRREM-based asset stranding analysis and building performance standards complianceData confidence — high

AvalonBay uses the CRREM tool to project stranding dates for all portfolio assets under 1.5°C and 2°C pathways, assessing GAV and GSF at risk. This directly informs capital allocation for decarbonisation retrofits and disposition decisions. A bespoke Climate and Energy Legislation Tracker monitors current and proposed building performance standards (NYC LL97, Seattle BEPS, DC BEPS, Boston BERDO) to triage which assets require capital investment to avoid fines; for NYC LL97 alone estimated 2031-2036 fines are $5M if unmitigated. A cross-functional Emissions Regulations Taskforce was established in 2022.

sustainability_report p.11

ISO 14064-3 limited assurance for Scope 1, 2 market-based, and selected Scope 3Data confidence — high

Third-party limited assurance completed for CY2022 emissions: 100% of Scope 1 verified, 100% of Scope 2 market-based verified, and 10% of Scope 3 (Cat 5 waste, Cat 6 business travel, Cat 7 employee commuting) verified under ISO14064-3.

sustainability_report p.61

Feasibility study initiated for net-zero target and SBT upgrade from 2°C to 1.5°CData confidence — high

In 2022 the VPESG commissioned a study to ensure SBTs can be achieved on time and to assess feasibility of a net-zero goal. Company is evaluating transitioning science-based targets from 2°C to 1.5°C alignment; work continuing in 2023.

sustainability_report p.5

No carbon removals used; net-zero pathway under feasibility assessmentData confidence — high

AvalonBay does not currently use carbon removals (DAC, BECCS, offsets) in its inventory. The company explicitly states it has not cancelled any project-based carbon credits in the reporting year. A net-zero feasibility study was commissioned in 2022 to understand what removals or deep decarbonisation would be needed to reach net zero; outputs are expected to inform the post-2023 transition plan. The company anticipates operationalising a net-zero building within 2-5 years.

sustainability_report p.60

Dependent: Tenant/resident energy reduction (Scope 3 Cat 13) via resident solar and community solarData confidence — high

Tenant energy (Cat 13 downstream leased assets) is AvalonBay's largest Scope 3 category at 219,143 tCO2e in 2022, representing the dominant driver of its Scope 3 SBT. The company engages residents through energy efficiency communications campaigns, pilot resident solar programs in California (offsetting 100% of resident load), community solar pilots in the mid-Atlantic, and expansion of the GridRewards demand response app. The Scope 3 Cat 13 intensity fell from 3.20 to 2.77 tCO2e/sqft between 2017 and 2022.

sustainability_report p.29

New water reduction goals setData confidence — high

Set new water goals including 10% reduction in whole building water-use-intensity in water-stressed areas by 2027 and non-stressed areas by 2029, from 2021 baseline.

sustainability_report p.29

Climate risk portfolio assessment expanded from 11 to 14 indicators (added FEMA NRI, Tsunami, Wildfire)Data confidence — high

In 2022 AvalonBay expanded their portfolio climate risk assessment from 11 to 14 indicators by adding FEMA NRI, Tsunami, and Wildfire risk categories across 274 properties.

sustainability_report p.9

Portfolio-wide biodiversity risk assessment completedaffects biodiversity sites protectedData confidence — high

287 properties assessed for biodiversity risk; developing policy to require biodiversity assessments for new developments and acquisitions in due diligence.

sustainability_report p.17

$2.25B sustainability-linked credit facilityData confidence — high

Entered into Sixth Amended and Restated Revolving Loan Agreement with sustainability-linked pricing tied to scope 1 & 2 GHG emissions reduction.

sustainability_report p.20

New suite of water goals releasedData confidence — high

10% reduction in whole building water-use-intensity in water stress areas by 2027 and non-water stress areas by 2029 from 2021 baseline; plus 4 additional water goals including reclamation pilot and 100% resident awareness program by 2025.

sustainability_report p.17

Embodied carbon tracking policy for new developmentsaffects scope 3 capital goodsData confidence — high

Finalizing policy requiring all new developments to conduct life cycle assessments (LCAs) for embodied carbon; retrospectively completing LCAs for 2017 baseline buildings.

sustainability_report p.16

SBT to be restated to 1.5°C alignment by 2025Data confidence — high

Per mandates from SBTi, AvalonBay will be required to restate both SBTs in 2025 to align with 1.5°C. Will reevaluate scope, boundaries and baseline.

sustainability_report p.12

Water goal shifted from common area to whole building basisData confidence — high

Goal has changed from a common area specific goal to a whole building goal based on greater accuracy of data collection.

sustainability_report p.5

Two additional LEED-certified communitiesData confidence — high

Achieved LEED certification for two additional communities, bringing total certified to 63, with 30 additional pursuing certification.

sustainability_report p.10

2025 POC in leadership goal reached earlyaffects ethnicity minority pctData confidence — high

People of color in leadership reached 21% in 2022, exceeding the 2025 goal of 20% three years early. New 2030 vision set at 25%.

sustainability_report p.5

Primary: Building electrification of heating and hot waterData confidence — high

Piloting all-electric HVAC and hot water in New Jersey at Wayne (garden + midrise), West Windsor and Princeton Shopping Center locations. Plan to revisit HVAC and hot water design standards in 2023 using lessons learned. Acknowledges electrification of existing communities is more challenging.

sustainability_report p.14

Dependent: Transportation: EV charging + transit-oriented developmentData confidence — high

673 smart Level 2 EV charging stations at 72 communities plus 1,145 Level 2 EV charging outlets at 67 communities. Updated 2020 design standards to require Level 2 EV charging at all new developments. 114 transit-oriented development communities. 16 communities with car sharing including Whip EV (minority-owned).

sustainability_report p.47

LRQA assurance maintained, ESG Report reviewedData confidence — high

Energy, GHG emissions, water and community waste data independently verified by LRQA; LRQA also conducted a full review of the ESG Report, aligned with ISO14064-3 and ISAE3000 standards.

sustainability_report p.2

Primary: Energy efficiency: demand response, smart thermostats, EMaaSData confidence — high

Demand management generated $475,000 net annual savings in 2022 with 762 kg CO2e reduction; AvalonBay associates enable 2MW reduction in grid stress. Installed 178 new smart thermostats across 17 communities. Piloting Parity HVAC EMaaS at Avalon Clinton South ($41K annual savings, ~2 year payback). Piloting AeroBarrier air sealing at Avalon Brighton.

sustainability_report p.13

Primary: Embodied carbon (capital goods) reductionData confidence — high

Embodied carbon is AvalonBay's second largest scope 3 category (119,084 tCO2e in 2022). Finalizing policy requiring life cycle assessments (LCAs) for all new developments. Retrospectively completing LCAs for 2017 baseline buildings. Joined inaugural mindful MATERIALS Owners' Forum. Piloting prefabricated wall panels at Avalon Governor's Park to reduce material waste. Exploring Mass Timber Construction.

sustainability_report p.16

Primary: Building certifications and green design standardsData confidence — high

63 communities have achieved one or more environmental certifications (LEED, ENERGY STAR, NGBS, FITWEL); 30 additional pursuing. AvalonBay has 38 internal green design standards covering solar PV, HVAC, EV charging, lighting/appliance efficiency, landscape design and biking infrastructure. Building Certified and Climate Resiliency Policy requires third-party climate risk assessment across 14 climate risks for all new developments and acquisitions.

sustainability_report p.15

2021· 24 events

Climate risk dashboard expanded to portfolioData confidence — high

Implemented policy requiring all new developments and acquisitions to be assessed for 14 climate risks via Climate and Emissions Risk Dashboard.

sustainability_report p.15

No durable removals program disclosedData confidence — med

AvalonBay's decarbonisation strategy relies on operational reductions, renewable energy procurement and embodied carbon reduction rather than carbon removals or offsets. The report discusses no DAC, BECCS, biochar, afforestation or nature-based removal credits as part of its SBT pathway.

sustainability_report p.17

Dependent: Embodied carbon in new development (capital goods)Data confidence — high

Embodied carbon — emissions from manufacturing, transport, installation of building materials — is identified as a large driver of Scope 3 and a key component of achieving the approved Scope 3 SBT. Two pilot projects launched in 2021 to track embodied carbon and develop reduction strategies for design, procurement and construction across the future development pipeline. Investing in Energy Impact Partners (EIP) to support decarbonizing concrete and modular building.

sustainability_report p.20

Primary: Demand response and smart building operations platformData confidence — high

AvalonBay operates a smart building platform covering 40 properties (13.5M sq ft) that monitors CHP generation, supports battery dispatch optimisation, smart thermostats, and interval metering. In 2021 demand response generated $275,000 in utility savings and demonstrated >2 MW of grid-stress reduction capability. The platform integrates summer peak demand reductions into renewable energy credit procurement, further supporting the Scope 2 market-based reduction strategy.

sustainability_report p.26

Dependent: Tenant/resident engagement on Scope 3 emissionsData confidence — high

Resident engagement integrated into emissions reduction plan: GridRewards app launched at NYC properties enables 133 residents to track usage and reduce consumption during high-carbon peaks (1.2 mWh reduction, ~351 kg CO2e avoided across 6 demand response events). Smart thermostats, green labels in 75 communities, and renewable energy options for residents support tenant-driven Scope 3 reductions.

sustainability_report p.50

Dependent: Embodied carbon reduction in construction supply chain (concrete, rebar, drywall)Data confidence — high

A 2020 analysis identified concrete, steel rebar, and gypsum-core drywall as the top three high-embedded-carbon construction materials. In 2021 AvalonBay piloted embodied carbon tracking (using EC3 tool and ISO 14040/44) on 2 development projects and is engaging key concrete and rebar suppliers on lower-carbon alternatives. Material substitution is planned for 2022-2023 and is one of the three primary tracks for achieving the SBTi Scope 3 target (47% reduction by 2030).

sustainability_report p.18

Primary: Tenant/resident energy reduction — downstream leased assets (Cat 13, dominant Scope 3)Data confidence — high

Resident energy consumption (Cat 13 downstream leased) represented 201,945 tCO2e in 2021 and is the largest Scope 3 category, targeted under the SBTi 47% intensity reduction goal by 2030. AvalonBay engages residents through education, a Green Label programme showing energy savings in new apartments, and piloting community-scale solar-for-residents projects at 4 communities in California. Demand-response programmes were expanded to residents in New York and scoped for California in 2021.

sustainability_report p.35

Primary: Building electrification and HVAC efficiency upgradesData confidence — high

AvalonBay is pursuing building electrification as a long-term decarbonisation lever, piloting compact heat-pump units designed for existing multifamily buildings through the NYC Retrofit Accelerator. New construction standards mandate solar-readiness and higher HVAC efficiency. Boiler replacements, HVAC upgrades, and insulation improvements were among the 26 energy efficiency projects completed in 2021, collectively delivering 867 tCO2e Scope 1+2 reductions.

sustainability_report p.26

On-site solar PV plus green tariff wind energy procurement strategyData confidence — high

AvalonBay established its solar strategy in 2016 and by end-2021 had installed 4.7 MW of on-site solar at 23 new communities, in addition to 15 communities with 2.2 MW already operating, with 21 more projects planned for 2022. Separately, in 2021 the company shifted 91% of its procurable common-area electric load to Green-e certified wind energy via US-RECs, reducing market-based Scope 2 significantly. The combined solar-battery-demand-response platform targets 85 communities and 24.7 MW of on-site renewable generation, saving ~$3.9M annually and offsetting ~15,800 tCO2. The renewable strategy is a core pillar of achieving the SBTi-approved 53% Scope 1+2 intensity reduction by 2030.

sustainability_report p.14

Third-party limited assurance (ISO 14064-3) on Scope 1, 2 and 3 emissionsData confidence — high

LRQA provided limited assurance under ISO 14064-3 for 100% of Scope 1, Scope 2 (location and market), and Scope 3 (business travel, employee commuting) emissions for CY 2021. Also verified water and waste.

sustainability_report p.55

No current carbon removals; exploring offsets/VPPAs as path to net-zero buildingsData confidence — med

AvalonBay has not originated or purchased project-based carbon credits in the reporting period and does not currently use removals. However, the company is investigating Virtual Power Purchase Agreements (VPPAs) as a mechanism that could offset the vast majority of SBT emissions and put communities on a path to net-zero buildings, anticipated within 2-5 years. The focus is on avoided emissions through renewable energy rather than durable carbon removals.

sustainability_report p.55

First-time CDP A ListData confidence — high

Made the CDP A List for the first time for carbon emission disclosure and reduction practices, one of four REITs to receive this grade.

sustainability_report p.3

Primary: LED lighting retrofit across ~200 communities saving $4.16M/yearData confidence — high

AvalonBay invested $14.8M in LED retrofits across approximately 200 communities, with the program substantially complete by 2021. The completed retrofits save $4.16M and 20.7 million kWh annually, reducing GHG equivalent to removing more than 3,000 cars from the road. LED retrofits are classified as core efficiency capex within the sustainability budget (6.5-year simple ROI threshold) and contribute to the SBTi Scope 1+2 intensity target.

sustainability_report p.3

Base year emissions recalculation policy in place (>10% threshold)affects scope 1 co2eData confidence — high

Company disclosed it discovered significant errors in previous CDP responses. Recalculation policy requires restatement for changes >10% or calculation errors. Base year remains 2017.

sustainability_report p.28

SBT baseline revisedaffects scope 1 co2eData confidence — high

SBT Baseline revised from prior submissions to reflect more accurate data and adjustment of scope including vacant space data, creating a more accurate comparison.

sustainability_report p.7

National Urban League partnership launchedData confidence — high

First year of multi-year NUL partnership with $150,000 annual commitment led by Black Associate Coalition.

sustainability_report p.3

Primary: Onsite solar + battery storage on owned assetsData confidence — high

Onsite solar generation is treated as a primary lever to reduce Scope 1 and 2 emissions. 3.06 MW activated in 2021 across 23 sites, with planned growth to 59 sites/8.6 MW by end of 2022 and Phase 4 adding 6.89 MW. A battery storage system was commissioned in New York using automation to reduce energy costs and emissions during peak demand events.

sustainability_report p.17

First full ESG report assurance by LRQAData confidence — high

In 2021, for the first time, LRQA conducted a full audit of the ESG Report (aligned with ISAE3000), expanding beyond just environmental data assurance in prior years.

sustainability_report p.4

Embodied carbon pilot launchedaffects scope 3 capital goodsData confidence — high

Began tracking embodied carbon in construction materials on two pilot development projects to build toward Scope 3 reduction.

sustainability_report p.15

91% renewable common-area electricity + onsite solar expansionData confidence — high

In 2021, AvalonBay increased green electricity procurement to 91% of common-area electrical load (~87,550,000 kWh annually) sourced from wind and solar, with plans to move to 100% in 2022. The renewable strategy expanded with 23 new solar panel systems totaling 3.06 MW activated in 2021. By end of 2022, Phase 1-3 installs will reach 59 sites with 8.6 MW generating ~12,200 MWh/year. Phase 4 adds 22 sites with 6.89 MW. The firm is also evaluating Virtual Power Purchase Agreements (VPPAs) to scale renewable procurement and earn RECs in pursuit of its Science Based Targets.

sustainability_report p.17

Primary: Energy efficiency: LED retrofits, smart metering, demand responseData confidence — high

Completed 7 LED retrofit projects in 2021 (197 communities total) saving 31.4 million kWh annually. Demand response and smart building program covers 37 properties generating $225,000 in annual savings plus $633,000 from interval smart metering verified efficiency measures. Launching smart thermostat rollout in common areas to enable centralized control and demand response participation.

sustainability_report p.17

Dependent: Transit-oriented & EV-ready developmentData confidence — high

113 transit-oriented developments completed (3 added in 2021) with average Walk Score of 81. 718 EV charging stations installed at 76 communities. Design standards updated in 2020 to require Level 2 EV charging at all new developments (minimum 5% of spaces if no code requirement). EV Task Force evaluating retrofit strategy across the portfolio.

sustainability_report p.51

New suite of water goals setaffects water consumption m3Data confidence — high

Replaced retired 2020 water goal with five new water goals including 20% reduction in common area water-use-intensity in water stress areas by 2027 and non-water stress areas by 2029 (from 2021 baseline), water reclamation pilot, and water management plans in 50% of stressed regions by 2025.

sustainability_report p.20

Green Bond issuance $1.1BData confidence — high

AvalonBay issued inaugural green bond offerings totaling $1.1B ($700M + $400M) governed by Green Bond Framework aligned with Green Bond Principles.

sustainability_report p.21

2020· 16 events

Dependent: Embodied carbon reduction in construction materialsData confidence — high

As one of three components of the Science-Based Targets execution plan, AvalonBay is undertaking an in-depth review of embedded carbon in construction materials. This addresses capital-goods (cat 2) emissions for new development.

sustainability_report p.4

6th consecutive year of LRQA third-party verificationData confidence — high

For sixth consecutive year, energy, GHG emissions, water and community waste data independently verified by Lloyd's Register Quality Assurance aligned with ISO14064-3.

sustainability_report p.4

Primary: On-site solar generation across portfolioData confidence — high

Onsite solar is a primary lever to reduce Scope 1 and 2 emissions. Phase 1 solar (8 sites in DC/NJ) complete; Phase 2 (26 California communities) underway; Phase 3 (20 planned). By end of 2022, 55 solar sites with 8.6 MW total, placing AvalonBay just below the top 5 real estate solar users in the US per SEIA data.

sustainability_report p.10

Dependent: Resident engagement on renewable energy for apartmentsData confidence — high

Third pillar of SBT plan is engagement with residents on renewable energy procurement for their apartment homes. Piloting residential demand response and carbon emissions tracking in NY and CA via GridRewards app, enabling residents to track and lower utility usage and carbon footprint hourly.

sustainability_report p.10

Aligned long-term goals with 8 UN SDGsData confidence — high

As we enter a new decade, we have set new long-term targets, aligned with eight of the 17 United Nations Sustainable Development Goals.

sustainability_report p.5

National Urban League multi-year partnership launchedData confidence — high

Launched a multiyear national partnership with the National Urban League with $150,000 annual commitment, led by Black Associate Coalition.

sustainability_report p.18

15.4% drop in S1+2 and 16% drop in S3 emissions intensityaffects scope 1 co2eData confidence — high

Achieved 15.4% reduction in Scope 1 and 2 and 16% reduction in Scope 3 GHG emissions per square foot in 2020.

sustainability_report p.5

Primary: LED lighting retrofits + demand responseData confidence — high

Completed 10 LED projects in 2020 with annual energy savings of 30.6 million kWh and cost savings of $3.8M, payback under 4 years. Demand response and smart-building program covers 40 properties (13.5M sqft), generating $275,000 in annual savings from demand response payments and load reduction, plus $500,000 verified savings from interval smart metering. Plan to retrofit 20+ more communities to LED in 2021.

sustainability_report p.10

Primary: Building automation and smart thermostatsData confidence — high

Leveraging IoT platform for streamlined building operations including smart thermostats enabling real-time portfolio command and control of common-area HVAC for significant load reductions. Smart-building platform monitors CHP generation coast-to-coast, supports battery storage dispatch optimization, water efficiency devices and preventative maintenance.

sustainability_report p.10

Science-Based Targets execution plan launchedaffects scope 1 co2eData confidence — high

Created a strategic plan to achieve Science-Based Targets: 53% reduction in Scope 1 & 2 and 47% reduction in Scope 3 GHG emissions per square foot by 2030, with three components: renewable energy/procurable load shifting, embedded carbon review in construction materials, and resident engagement on renewable energy.

sustainability_report p.4

Comprehensive climate risk dashboard createdData confidence — high

Updated analysis with third-party review of 274 properties against 11 short- and long-term climate risks. Created combined climate and emissions risk dashboard integrated into investments and asset management decision-making.

sustainability_report p.4

Signed CEO Action Pledge for Diversity and InclusionData confidence — high

Joined CEO Action for Diversity & Inclusion and added I&D goal to Individual Development Plans for all leadership team associates.

sustainability_report p.18

On-site solar + wind PPAs for 85% of procurable loadData confidence — high

AvalonBay's renewable energy strategy has two pillars: on-site solar generation and procurement of renewable wind for common-area electric load. In 2020 we moved 56% of procurable common-area electric load to renewable wind, targeting 85% by end of 2021. Installed solar at 7 communities adding 560 KW in 2020; by end of 2022 will have 55 solar sites with 8.6 MW generating 12,400 MWh/year. 46 more communities in feasibility analysis. We also pilot residential demand-response via GridRewards in NY/CA to extend renewable adoption to tenant load.

sustainability_report p.4

5 additional LEED certificationsData confidence — high

Five additional communities were LEED certified bringing the total number of communities either certified or pursuing certification to 84, over 1/3 of portfolio.

sustainability_report p.9

Primary: Water efficiency via weather-based irrigationData confidence — high

Water Task Force installed 29 weather-based irrigation systems saving $493,950 and 58M gallons annually, with 31-32 more underway in 2020-2021 expected to save additional $337,000 and 43.9M gallons. Stricter construction standards on water-related fixtures.

sustainability_report p.4

Diversity in Leadership goals setaffects workforce management female pctData confidence — high

Set goal to increase women in leadership from 35% to parity with workforce (41%) by 2025, and underrepresented minorities in leadership from 15% to 20% by 2025 and 25% by 2030.

sustainability_report p.18

2019· 4 events

SBTi-approved Scope 1&2 intensity target: 53% reduction by 2030 vs 2017affects scope 1 co2eData confidence — high

AvalonBay set SBTi-approved science-based target to reduce Scope 1 and 2 GHG emissions 53% per square foot by 2030 from a 2017 base year (market-based). Target aligns with 1.5°C scenario. Set in 2019.

sustainability_report p.20

SBTi-approved Scope 1+2 intensity target: -53% per sqft by 2030 (2°C)affects scope 1 co2eData confidence — high

AvalonBay set SBTi-approved science-based targets in 2019 (base year 2017): reduce Scope 1+2 GHG emissions 53% per square foot by 2030, and Scope 3 (Cat 1, 5, 13) by 47% per square foot by 2030. Both targets are 2°C aligned.

sustainability_report p.23

Science-Based Targets approvedaffects scope 1 co2eData confidence — high

53% reduction in scope 1 & 2 GHG emissions and 47% reduction in scope 3 GHG emissions by 2030 from a 2017 baseline. Targets align with the 2°C scenario.

sustainability_report p.5

SBTi-approved Scope 3 intensity target: 47% reduction by 2030 vs 2017affects scope 3 co2eData confidence — high

AvalonBay set SBTi-approved Scope 3 target covering Cat 1, 5, and 13 emissions (91% of Scope 3 base year). Target is 47% reduction per square foot by 2030 from 2017 base. Aligns with 1.5°C scenario.

sustainability_report p.21

2018· 2 events

Waste intensity reduction target: -20% per apartment home by 2023affects scope 3 waste operationsData confidence — high

Waste goal set in 2018 (2017 base year): reduce waste from 2,039 lbs/apartment home to 1,639 lbs by 2023. In 2022 reporting year, achieved 1,613 lbs (target achieved: 106.5% of target progress).

sustainability_report p.31

Waste intensity target: 1,631 lbs/apartment home by 2023 (from 2017 base)affects scope 3 waste operationsData confidence — high

Waste reduction goal set in 2018 baselined to 2017 data (1,671 lbs/apt home). Target year 2023 at 1,631 lbs/home. Part of SBTi Scope 3 reporting. Reporting year (2021) at 1,639 lbs/home (80% achieved).

sustainability_report p.23