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image captionThe project would see the former mine turned into a renewable energy park
A buyer is being sought for a £250m hydro energy scheme at a former opencast coal mine in the south of Scotland.
Owners Buccleuch said much of the background work had been carried out and they were now seeking a buyer.
The scheme would require hundreds of workers during construction then create up to 15 long-term jobs.
image copyrightBuccleuch
The Pumped Storage Hydro (PSH) project was approved in November 2016.
PSH works by releasing water from a higher waterbody to a lower one, passing it through one or more turbines to generate electricity.
Kaua‘i Island Utility Cooperative to Develop Solar + Pumped Storage Hydro Project
On 7 January 2021, Kaua‘i Island Utility Cooperative (KIUC) signed agreements with The AES Corporation (AES) for the development, construction, and operation of the KIUC’s solar pumped storage hydro project (the “West Kaua‘i Energy Project” (WKEP)). A power purchase agreement was also executed and filed with the Hawai‘i Public Utilities Commission on 31 December 2020.
WKEP will integrate pumped storage hydropower with large-scale solar power, a unique combination in the renewable energy sector. KIUC believes that the pumped hydropower will provide 12 hours of energy storage daily, compared with four to five hours of storage available from existing solar-plus-battery facilities. The long duration storage provided by the pumped-hydro component is expected to enable KIUC to generate 100 percent renewable energy for prolonged periods without sunlight. It also is expected to provide additiona