SME profile

A and R Rothen Ltd

United Kingdom·5 headcount·Reporting year 2024

A & R Rothen Ltd are a small family run business, established in 1981, which specialise in the supply of workboats and associated plant and equipment for the maintenance and repair of the UK\'s inland waterways, as well as undertaking waterway based contracting works such as piling and dredging. We currently have 6 members of staff in total - 5 during the reporting period - 4 of which are fulltime. As a small team we have struggled to make time previously to consider our business emissions and Carbon Footprint, however we have now collectively decided that we can no longer ignore this matter, to protect the local nature and environment we have the pleasure of working in on a daily basis but also for the wider community on a national and global level.

SME Climate Hub directory
SectorConstruction and civil engineering
RegionEurope
Reporting statusReported
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Commitment

Net zero target
By 2045
Scope 1 + 2 + 3 · Baseline 2024

Practices & perspective

Practices in place
Climate action plan in placenot asked
Scope 3 emissions measured
Engaged suppliers on net-zeronot asked
Communicated commitment to customers
Products/services qualify as climate solutionsnot asked
Integrated climate into company missionnot asked
Third-party verified data
In their own words
. * This is our first year reporting upon our emissions - from here we will be drawing up an action plan with regards to reducing our emissions across Scope 1,2 and 3, as well as working hard to implement those actions. As a small team of 6 staff, time constraints is a real challenge for us, hence we haven\'t previously reported on our emissions and have committed to cautious targets for our reductions by 2030 and achieving NetZero by 2045. Our economic market is proving quite challenging at the moment also, so we are unclear as of yet as to how much investment we can make in terms of renewable energy supplies or transport towards lowering our emissions, however we are hopeful that trading conditions will improve and thus allow us to consider these factors more closely.
Acknowledged challenges
  • 01Reducing scope 3 emissions
  • 02Electrifying the vehicle fleet and/or cutting transport emissions
  • 03Balancing emission reductions with business growth
  • 04Time constraints
  • 05Lack of skills and knowledge
  • 06Low return on investment

Reported footprint

GHG emissions (tCO2e)
 2024
Scope 113.4
Scope 28.0
Scope 1 + 221.4
Scope 3
Energy use
 2024unit
Total38.5kkWh
Renewable0.0kWh
Renewable share0.0%

Calculated via: Small Business Carbon Calculator

Country grid context · United Kingdom · 2024

Renewables
50%
of generation
Intensity
197
gCO₂/kWh · low

Coal-free since Sep 2024; wind-led grid.

Source: Ember Yearly Electricity Data (CC BY 4.0). For SMEs, the grid carbon intensity is the dominant lever on Scope 2 emissions — switching to a renewable tariff is often the single biggest cut available.

Grid trajectory
Renewables (%)Carbon intensity (gCO₂/kWh)
201520240%100%0500

Renewable transition options· 38 MWh annual load · 0% renewable today

What it would realistically take to move 38 MWh of remaining electricity to renewable sources, given typical SME options + market-specific costs in this country. Numbers are indicative — a real proposal needs a quote from a local installer or supplier.

Switch to certified renewable tariff
Recommended
Most cost-efficient route for the remaining 38 MWh.

Sign with a green-energy supplier (Guarantees of Origin / REGOs backing). No capex; pricing is tied to a small premium over your current standard tariff. Best when paired with on-site reductions to keep total bill manageable.

Annual cost
£192–£962
Effort
low
£5–£25 per MWh premium in GB; ~£192–£962/year for 38 MWh.
On-site rooftop solar (~41 kW)
Possible
Capex investment that covers ~100% of current consumption.

Install a 41 kW rooftop PV system (sized to match annual consumption). Yields ~39 MWh/year in GB — close to total annual use. Net-metering / export tariff supports the payback. Real proposal needs a roof survey + planning check.

Upfront
£37k–£57k
Annual saving
£6.7k–£9.5k
Payback
46 yrs
Effort
high
Sized for an SME roof; 41 kW typically fits 150–250 m² of usable roof.
Aggregated / community PPA
Not feasible
Pool with other small users to access wholesale renewable generation.

Several brokers (e.g. SmartestEnergy, Statkraft, Centrica) now offer aggregator " + "PPAs that pool SMEs to reach the ~5 GWh/year minimum. Typical contract length 5–10 years. Pricing usually below standard tariff; protects against grid-tariff inflation.

Annual cost
£7.9k–£9.0k
Effort
medium
Too small for direct PPA (typical minimum 1 GWh/year, this firm uses ~38 MWh).
Direct corporate PPA
Not feasible
Not feasible at this consumption volume.

Direct PPAs require a buyer to commit to ~5–50 GWh/year over 10+ years. Any SME at <100 MWh annual consumption can't access this market directly. Out of scope for this firm.

Direct PPAs require ≥1 GWh/year; this firm uses ~38 MWh.

Cost ranges are 2025-ish published market data. Premiums + capex move with energy prices and policy. Best approach for most SMEs: certified renewable tariff first (cheap, fast), then on-site solar if roof + capital allow. PPAs need ≥1 GWh/year volume to access directly — aggregators are starting to bridge this for smaller users.

Sector net-zero pathway· construction

Industry-level decarbonisation context — not this firm's own commitment. Shows how the wider sector needs to evolve for individual SME targets to be achievable.

Construction emissions are dominated by upstream cement + steel; building operational emissions follow the buildings pathway.

Sector primary pathway
Building operational emissions
% of 2020 emissions
0501002020203020402050
Year readout

Hover the chart to read off Best / Realistic / Worst values at any year. Click to pin the readout.

2050 endpoint:
Best 10% · Worst 75%
Building operational emissions · % of 2020 emissions · base 2020 · Source: IEA NZE Buildings, SBTi Buildings 1.5°C
IEA NZE Buildings, SBTi Buildings 1.5°C
Sector dependencies · 2 upstream sectors
Cement + steel sector emissions
% of 2020 emissions
0631252020203020402050
Best0%
Realistic50%
Worst85%
Cement + steel sector emissions · % of 2020 emissions · base 2020
Source: GCCA Net Zero Roadmap, ResponsibleSteel, IEA NZE Industry
GCCA Net Zero Roadmap, ResponsibleSteel, IEA NZE Industry
Grid carbon intensity
% of 2020 gCO2/kWh
0501002020203020402050
Best0%
Realistic15%
Worst60%
Grid carbon intensity · % of 2020 gCO2/kWh · base 2020
Source: IEA WEO 2023 — NZE / APS / STEPS
IEA WEO 2023

Pathway data is authored estimates anchored on IEA / SBTi sector pathways. Best / Realistic / Worst lines map to NZE / APS / STEPS-style scenarios.