Concerns have resurfaced over the planned Battery Energy Storage System (BESS) in Walsall’s green belt, as local campaigner Jenny Hulme highlights that extreme heat impacts have not been adequately addressed.
Jenny Hulme, a member of the Beacon Action Group that has opposed the 3.2-hectare project from the start, criticizes the developer Anesco for neglecting to explain how the battery systems will be cooled during intense heat events.
Following years of debate, Anesco secured permission from Walsall Council to build the BESS off Chapel Lane, despite significant council opposition citing fire risks, loss of green belt land, noise pollution, and the industrial nature of the installation.
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The facility, designed to operate for 40 years temporarily, aims to store electricity during low-demand periods and release it at times of high demand to support the grid.
Originally refused by the council, the project was ultimately approved by a planning inspector in a public inquiry held in November 2024. At the inquiry, several speakers described the development as “explosive” and a life-threatening risk, although Anesco contends these fire safety concerns have been exaggerated.
The council challenged the inspector’s approval in court twice but was dismissed both times. Now, Anesco has submitted a new planning application asking to amend several conditions, including site levels, acoustics, tree protection, drainage, and boundary treatments.
Jenny Hulme opposes the new application strongly, citing the increased impact of climate change and recent UK heat alerts. She insists the entire project should be reconsidered or paused to safeguard public health and safety.
“How are the batteries cooled in high temperatures?” Hulme questioned. “There’s no mention of fans or any cooling methods. Effective cooling is crucial, yet Anesco seems to have overlooked this critical factor. The electrical cooling required might even cost more than the electricity stored.”
In response, Anesco stated that climate change and extreme weather risks have been factored into the design and assessment of the Chapel Lane BESS. They emphasized that the current application seeks only to amend conditions of an already approved scheme.
The company highlighted that the battery technology includes standard safety features such as continuous monitoring, fire detection, suppression systems, and thermal management to ensure safe operation under various environmental conditions.
“Battery Energy Storage Systems play a vital role in the UK’s electricity network by storing energy and balancing supply as renewable generation increases,” an Anesco spokesperson added.
Walsall Council leader Councillor Elaine Williams reiterated the council’s previous efforts to challenge the approval, citing concerns about site alternatives, noise impact assessments, and procedural errors. However, the courts upheld the inspector’s decision.
Williams confirmed the council will treat the new application in line with statutory planning processes, considering all representations from residents and community groups before reaching a decision.