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Last week was expensive because solar alone couldn't save UK electricity bills

The UK Grid Weekly Report

Last week was expensive because solar alone couldn't save UK electricity bills

The week in numbers Table with 2 columns and 5 rows of data. (column headers with buttons are sortable)7-day average price£137.87/MWhWeek's highest price£349.00/MWh (Thu 13 August)Week's lowest price£47.77/MWh (Mon 10 August)Negative price periods0Weekly

By Parva Chhantyal 18 Aug 2026
Why did UK electricity go negative three times last week?

The UK Grid Weekly Report

Why did UK electricity go negative three times last week?

Data are sourced from Elexon BMRS half-hourly settlement prices and NESO Data Portal. The merit order suppression model is based on Cludius et al. (2014) and Clò et al. (2015). Carbon calculations use UK ETS price of £45/tonne and DESNZ 2024 grid factor of 181 gCO₂/kWh. Caption:

By Parva Chhantyal 11 Aug 2026
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