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NatPower Announces £1 billion Battery Storage Project, Doubling Capacity of Competitors

Last Updated on Aug 28, 2025, 04:00 AM IST
NatPower Announces £1 billion Battery Storage Project, Doubling Capacity of Competitors

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Global energy company Natpower has announced a GBP 1 billion investment in one of the largest battery storage sites in the UK, located on Sembcorp Utilities' Wilton International Site near Middlesbrough. The project will receive private funding with “no government contracts required” and is set to dwarf a key Labour investment in battery storage development.

Project Scale and Capacity

Natpower UK stated that the site will deliver one of the highest-capacity projects for battery energy storage in the UK, with a duration and capacity of energy that are double the levels seen at other battery storage sites. The company stated that the project would reduce waste from national grid bottlenecks, resulting in approximately GBP 3.5 billion in cost savings for the UK.

Battery storage systems are crucial for enabling renewable energy to be more effective by plugging the gaps when solar panels and wind farms are not producing power. Battery storage sites are seen as crucial to supporting renewable energy infrastructure.

Employment and Training Opportunities

Around 200 construction jobs are set to be created through the project. Training will be conducted in collaboration with local colleges and environmental organisations as part of the development. Chief executive Stefano Sommadossi said the battery storage site would provide a “blueprint” for combining renewable energy storage with ports and other businesses.

“Within five years, we can transform one of the UK's most important industrial hubs into a net-zero economic powerhouse and then replicate this model in ports across the globe,” Sommadossi said.

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Government Investment Comparison

On Wednesday, the National Wealth Fund announced it would back two investment firms in a GBP 500 million venture to boost battery storage facilities across the country. This government-backed investment is significantly smaller than Natpower's GBP 1bn private investment. Chancellor Rachel Reeves said battery storage would lower bills and boost jobs, while Energy Minister Michael Shanks said battery storage sites were crucial for increasing clean power, which is seen as one of the UK's high-growth sectors.

Energy Price Developments

The energy watchdog Ofgem announced on Wednesday morning that the energy price cap would be increased by two percent – above expectations – between October and December. This price hike will increase the typical household's annual energy spend to GBP 1,755, despite a decline in wholesale energy prices.

The government is planning to slash industrial energy prices by up to 25 per cent for 7,000 businesses from 2027, with companies facing higher energy costs in France than in countries such as the US.

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