Geothermal Power
The question
To ask the Secretary of State for Energy Security and Net Zero, with reference to the mine water geothermal heat project recently piloted in Gateshead, what steps his Department is taking to support the development and rollout of low-cost, ecological, alternative carbon heating systems using geothermal energy from flooded coal mines or sewer systems.
Answered by Martin McCluskey
To achieve net zero at lowest cost, we are accelerating low-carbon technologies, including geothermal. Water from coal mines and sewer systems offers strong potential for heat networks. Projects can apply to the Green Heat Network Fund for support. DESNZ promotes sewer heat recovery as a reliable urban heat source, given its stable temperatures and alignment with demand. To ensure sustainable deployment, DESNZ issued Exclusion Zone Guidance to protect sewer thermal integrity and avoid conflicts between abstraction points, giving developers and water companies confidence in performance and investment. The Mining Remediation Authority has also published opportunity maps.
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