Office solar case studies
Real UK office solar installations. System size, generation, savings, payback, EPC uplift, and client outcomes.
London serviced office — 220 kWp + workplace EV charging
- System
- 220 kWp PV + 16 × 22 kW EV chargers
- Payback
- 5.8 yr
- Annual save
- £68,000/year (PV) + £24,000 (EV revenue)
- CO₂/yr
- 47 t
Manchester multi-let HQ — 480 kWp + 215 kWh battery
- System
- 480 kWp + 215 kWh BESS
- Payback
- 5.4 yr
- Annual save
- £148,000/year
- CO₂/yr
- 101 t
Birmingham professional services HQ — 320 kWp + 180 kWh battery
- System
- 320 kWp + 180 kWh BESS
- Payback
- 5.6 yr
- Annual save
- £102,000/year
- CO₂/yr
- 67 t
Bristol tech HQ — 420 kWp + workplace EV charging + battery
- System
- 420 kWp PV + 200 kWh battery + 18 × 22 kW EV chargers
- Payback
- 5.2 yr
- Annual save
- £124,000/year (PV) + £41,000 (EV revenue)
- CO₂/yr
- 88 t
Edinburgh New Town law firm — listed building 95 kWp install
- System
- 95 kWp (concealed rear-roof + outbuilding)
- Payback
- 6.8 yr
- Annual save
- £28,000/year
- CO₂/yr
- 20 t
Reading Thames Valley business park — 1.1 MWp portfolio install
- System
- 1,100 kWp PV + 480 kWh battery + 24 × 22 kW EV chargers
- Payback
- 5.4 yr
- Annual save
- £316,000/year (PV) + £58,000 (EV)
- CO₂/yr
- 230 t
NHS Trust HQ — 580 kWp Salix PSDS-funded install
- System
- 580 kWp PV + 250 kWh battery
- Payback
- 0 yr
- Annual save
- £164,000/year
- CO₂/yr
- 122 t