Statistics available from July 2025 to February 2026
We've installed tens of thousands of heat pumps across Great Britain, and launched the award-winning Cosy heat pump line in 2024. This dashboard shows real time performance data from Cosy heat pumps installed in real British homes.
Total cost of wasted wind
£928.4m
£168.7m to switch turbines off, £759.5m to replace the power
Wind energy curtailed
6,115 GWh
Enough clean electricity to power 2.26m UK homes for a year
Average cost per day
£4.9m
Averaged across the 9 July days of 2026 so far
£928.4m
Total cost of wasted wind
£168.7m to switch turbines off, £759.5m to replace the power
6,115 GWh
Wind energy curtailed
Enough clean electricity to power 2.26m UK homes for a year
£4.9m
Average cost per day
6,115 GWh
Wind energy curtailed
£928.4m
Total cost of wasted wind
We've installed tens of thousands of heat pumps across Great Britain, and launched the award-winning Cosy heat pump line in 2024. This dashboard shows real time performance data from Cosy heat pumps installed in real British homes.
COP means "Coefficient of Performance" which is a fancy term for how efficiently a heat pump turns electricity into heat. The number is the ratio of heat created over energy input. So a COP of 3.5 means a heat pump created 3.5 kW of heat for every 1 kW of energy it used. COP is a snapshot of performance at a given time and given weather conditions.