Adiabatic Compressed Air Energy Storage (A-CAES) Demonstrator Plant

Energy Coast West Cumbria Limited, trading as BEC, is seeking tenders for the design, manufacture, and supply of a factory-integrated, modular Adiabatic Compressed Air Energy Storage (A-CAES) demonstrator plant for the BEST CAES project at Westlakes Science Park, West Cumbria. The project requires an above-ground, transportable system featuring compression and expansion equipment, thermal and compressed-air storage vessels, and power electronics and controls. Key performance specifications include a charging capacity of 0.333 MW, a discharge capacity of 1.0 MW, and a minimum electrical round-trip efficiency of 80%. The total budget for the contract is capped at 1,600,000 GBP excluding VAT, with an operational handover deadline of 30 June 2028. The procurement follows an open procedure using a Most Economically Advantageous Tender approach, evaluating technical solutions, risk management, and project governance alongside price. Bidders must pass preliminary requirements regarding legal and financial capacity, technical ability, and the maintenance of at least 10 million GBP in both Public Liability and Professional Indemnity insurance. While small and medium-sized enterprises are identified as particularly suitable, the award remains subject to funding, planning permissions, and necessary approvals. The period of performance is estimated from 5 January 2027 to 30 June 2028, with potential extensions available at the buyer's discretion.