Behind-the-Meter Assets

MCS certified domestic installations - Solar PV, Battery Storage, Heat Pumps

Total Solar PV
1.03M

5.30 GW capacity

4% YoY
Total Battery Storage
313K

3.08 GWh capacity

7% YoY
Total Heat Pumps
455K

ASHP & GSHP combined

Avg Battery Cost
£3,100

Avg 12.0 kWh system

Cumulative BtM Installations
Cumulative Capacity (GW / GWh)
Data Sources: MCS Installation Database, GOV.UK Statistics
Data represents MCS-certified domestic installations. Actual market figures may be higher due to non-MCS installations. Battery data available from April 2024 onwards via official GOV.UK statistics.