British people could see electricity bills fall by 3 billion pounds a year if the UK reaches its 29 GW onshore wind target, according to RenewableUK and Scottish Renewables. The groups presented the analysis on 1 September at the Onshore Wind Conference in Edinburgh, tying the target to a national bill-saving claim rather than a distant climate pledge.
Onshore Wind Conference in Edinburgh
The estimate rests on a comparison that RenewableUK laid out publicly: 72.24 pounds per MWh from the AR7 auction round versus 147 pounds per MWh for power from a modern CCGT gas plant. The difference, 74.76 pounds per MWh, was applied to 42.1 TWh of additional production from the missing 13 GW of new wind capacity.
RenewableUK said the 29 GW target would bring local communities almost half a billion pounds a year. Of that total, 348 million pounds would come from property and business taxes, and 145 million pounds would come from direct long-term community benefit funds that could support communal facilities, environmental programs, vocational training, action against fuel poverty, work against rural exclusion, and saving local pubs.
UK bill savings and local value
The analysis also points to a wider industrial effect. RenewableUK said the onshore wind industry in the UK employs 15,000 people and expects that figure to rise to 17,500 by 2030, while about 70 percent of spending across the life cycle of wind projects remains in the UK today. RenewableUK said expanding the domestic supply chain could add up to 56 billion pounds of gross value added to the UK economy by 2050.
RenewableUK also said the calculation used a 2030 gas price of about 70 to 71 pence per therm, which it said was less than half the current market price. That leaves the headline saving open to upward pressure if gas stays expensive, and RenewableUK also built in about 260 million pounds a year in integration costs for 13 GW of extra wind capacity, alongside high transmission constraint costs between Scotland and England.
NESO said those transmission constraint costs are expected to fall by about 60 percent after new subsea links now under construction are completed. An Energy and Climate Intelligence Unit study said wholesale electricity prices in the UK in 2025 would be 31 percent higher if the country had to rely on more expensive gas instead of wind power.
The immediate question is whether the UK reaches the 29 GW target fast enough for those bill savings and local gains to show up on household and business statements. Until that threshold is met, the 3 billion pounds a year remains an argument for the buildout — and a benchmark for judging whether the pace of new capacity is enough.
NESO and the 29 GW target
Repowering also sits inside the same calculation. RenewableUK said repowering means replacing older turbines with newer, more efficient models on existing wind farms where local communities accept it, and A Copper Consultancy found that 70 percent of respondents supported replacing smaller turbines. That gives the target a practical route beyond building entirely new sites, with community acceptance shaping how much of the remaining 13 GW can come from existing locations.
