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

Energy Coast West Cumbria Ltd (t/a BEC)

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Key details

Contracting authority
Energy Coast West Cumbria Ltd (t/a BEC)
Public undertaking
Region
Moor Row
Delivery: North West England, United Kingdom
Sectors
Goods & Supplies, Construction & Civil Engineering
Contract value
£1,600,000ex VAT
£1,920,000 inc VAT
Deadline
9 December 2026
Enquiry deadline
25 November 2026(questions / clarifications)
Award decision
22 December 2026(estimated)
Published
4 November 2026

Procurement

Contract period
5 January 2027 - 30 June 2028
1 year
Possible extension to 30 June 2029 · 2 years, 5 months in total
Extension terms: Two further periods of 12 months each, at the Buyer’s sole discretion. At least three months’ written notice before the current contract period expires. Extensions on the same terms and conditions, subject to changes expressly permitted under the Contract.
Procedure type
Open procedure
Evaluation method
Type: quality Name: 1. Technical solution and performance Description: Integrated design, energy efficiency, capacity, response, controls, thermal management and scalability, supported by relevant calculations and test evidence. State assumptions and deviations. Weighting: 30.00 Weighting type: percentageExact Type: quality Name: 2. Delivery, installation and commissioning Description: Achievable programme to handover by 30 June 2028, covering manufacturing, logistics, site interfaces, testing, dependencies and delay mitigation. Weighting: 15.00 Weighting type: percentageExact Type: quality Name: 3. Technical assurance and risk management Description: Design verification, validation, safety/conformity evidence and project-specific technical risk controls. Assess assurance arrangements, not performance already scored under criterion 1 or supplier eligibility. Weighting: 10.00 Weighting type: percentageExact Type: quality Name: 4. Operation, maintenance and through-life support Description: Maintenance planning, warranty support, spares, training, documentation, remote-support access and life cycle replacement evidence. Assess support and base deliverables, not monetary prices or non-awarded future service promises. Weighting: 10.00 Weighting type: percentageExact Type: quality Name: 5. Project management and governance Description: Contract-specific responsibilities, reporting, quality records, escalation, change control and coordination with BEC and other contractors. Weighting: 5.00 Weighting type: percentageExact Type: price Name: 6. Total price Description: Evaluated Price E: fixed delivered base scope under section 3.5, excluding VAT, including supplier commissioning, testing, training, licences and issued warranty obligations. Informational long-term service/rapid-response prices are excluded from award and price evaluation. Weighting: 30.00 Weighting type: percentageExact
CPV classifications

Description

Energy Coast West Cumbria Limited, trading as BEC, invites 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 requirement comprises an above-ground, transportable system incorporating compression, thermal storage, expansion equipment, compressed-air storage vessels, power electronics and controls, together with specified testing, documentation, training and warranty support. Required performance includes 0.333 MW charging, 1.0 MW discharge and a minimum electrical round-trip efficiency of 80%.

The maximum contract budget is £1,600,000 excluding VAT, with operational handover required by 30 June 2028. Long-term paid maintenance and supplementary rapid-response hardware are excluded from this award. The procurement will follow an open procedure and is subject to funding, planning permissions and necessary approvals.

Contact

Address
Ingwell Hall, Moor Row, CA243JZ
Website
https://www.discoverBEC.com
Contact name
Sam Burrows
Email
[email protected]
Phone
01946 595 200

Bid documents

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Identifiers

Buyer reference
BEC-CAES_031126
Notice ID
104461-2026
OCID
ocds-h6vhtk-079721

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External ID: fts-ocds-h6vhtk-079721 • Added 4 November 2026

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