Big Blue Door
Big Blue Door is an open source digital agency that has been delivering transformational services across the public sector since 2012.
| Sector | Information technology |
| Region | Europe |
| Size band | 11-100 employees |
| Joined SME Hub | 1 Jun 2023 |
| Reporting status | Reported |
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Commitment
Practices & perspective
“. * Since our first report we have achieved full IS0 14001 and are tracking monthly data to support year on year comparison.”
- 01Limited control over energy use in buildings
- 02Time constraints
- 03Lack of skills and knowledge
- 04Other challenges (please specify) Specify other challenges * Limited influence over larger global suppliers.
Reported footprint
| 2026 | |
|---|---|
| Scope 1 | 0.0 |
| Scope 2 | -2.0 |
| Scope 1 + 2 | -2.0 |
| Scope 3 | — |
| 2026 | unit | |
|---|---|---|
| Total | 4.2k | kWh |
| Renewable | 0.0 | kWh |
| Renewable share | 0.0 | % |
Calculated via: Small Business Carbon Calculator 3.8.1 Specify any additional details * We have used the tool via ht
Country grid context · United Kingdom · 2024
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.
Renewable transition options· 4 MWh annual load · 0% renewable today
What it would realistically take to move 4 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.
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.
Install a 5 kW rooftop PV system (sized to match annual consumption). Yields ~5 MWh/year in GB — close to total annual use. Net-metering / export tariff supports the payback. Real proposal needs a roof survey + planning check.
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.
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.
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· ict services
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.
Digital services depend on power + semiconductor manufacturing pathways.
Hover the chart to read off Best / Realistic / Worst values at any year. Click to pin the readout.
Best 15% · Worst 80%
Source: IEA WEO 2023 — NZE / APS / STEPS
Source: SEMI sustainability roadmap, SBTi ICT (covers fabs)
Pathway data is authored estimates anchored on IEA / SBTi sector pathways. Best / Realistic / Worst lines map to NZE / APS / STEPS-style scenarios.