Ministry of Defence has published a procurement opportunity for battery energy storage - knook camp with an estimated value of £1,500,000. The submission deadline is 16 April 2026, giving eligible UK suppliers a limited window to prepare and submit bids through the official Contracts Finder portal.

Published on 2026-04-01, this contract is open to suitably qualified suppliers across the United Kingdom. All businesses interested in bidding should review the full tender documentation and confirm they meet all eligibility requirements before the closing date.

Contract overview

The project is to design, deliver and install a Battery Energy Storage and all supporting infrastructure at Knook Camp on the UK Defence Training Estate (UK DTE). The battery energy storage must be designed and installed to exploit the contribution of existing on-site Solar PV energy on site, and maximise return of investment during the first 3 years. The objective is to reduce the reliance of energy supply from the National Grid, whilst providing energy resilience and contributing to the MOD's Net Zero target and the project must be delivered in '26/'27 financial year, within budget.

Ministry of Defence is the contracting authority for this procurement. The estimated contract value is £1,500,000 and the submission deadline is 16 April 2026. Suppliers should download the full specification from the official portal before preparing a bid.

Is your business eligible?

This contract is most relevant to businesses with relevant experience and qualifications. Suppliers typically need to demonstrate experience delivering similar contracts, appropriate financial standing for a contract of £1,500,000, and hold relevant professional certifications and insurance.

Under the Procurement Act 2023, Ministry of Defence must actively consider SME participation. Check whether this contract has been structured into lots accessible to smaller businesses.

• Proven track record in professional services contracts of comparable scope
• Financial standing appropriate for a £1,500,000 contract
• Relevant certifications: relevant professional certifications and insurance
• Capacity to mobilise within Ministry of Defence’s required timeframe
• Ability to meet the 16 April 2026 submission deadline

How to submit a bid

• Step 1 — Access the notice: Visit Contracts Finder at https://www.contractsfinder.service.gov.uk/Notice/891288
• Step 2 — Register free: Create or log in to your supplier account
• Step 3 — Download documents: Read the full ITT before preparing your response
• Step 4 — Raise clarifications: Submit questions early — Q&A typically closes 1–2 weeks before the deadline
• Step 5 — Submit before 16 April 2026: Late submissions are not accepted under UK procurement rules

What the buyer will evaluate

Ministry of Defence will assess all compliant bids against published criteria. For professional services contracts, buyers typically apply a 60% quality and 40% price weighting. Under the Procurement Act 2023, social value is a mandatory evaluation criterion — demonstrate specific, costed commitments to local employment, skills, or environmental sustainability.

Writing a winning bid

The most common reason bids fail is generic content that does not address the buyer’s specific requirements. Ministry of Defence has stated precise objectives — your bid must demonstrate you have read and understood them.

• Lead with an executive summary addressing Ministry of Defence’s objectives directly
• Provide two or more case studies with measurable outcomes
• Include specific, costed social value commitments
• Price to win but ensure your margin covers full delivery
• Submit at least 24 hours before 16 April 2026

Key dates and next steps

The submission deadline is 16 April 2026. Competitive bids for professional services contracts require two to three weeks of preparation. Following submission, Ministry of Defence will typically complete evaluation within four to eight weeks.

• Download all documents from Contracts Finder today
• Confirm your organisation meets all eligibility requirements
• Assign a bid lead and set internal milestones now
• Submit clarification questions as early as possible

Frequently asked questions

Can SMEs bid for this contract?

Yes. The Procurement Act 2023 requires Ministry of Defence to consider SME suitability and remove unnecessary barriers. Check for lots designed to be accessible to smaller businesses.

Is registration on the portal free?

Yes. Registering as a supplier on Contracts Finder is completely free.

What happens if I miss the deadline?

Late submissions are not accepted. The 16 April 2026 deadline is absolute. Submit at least 24 hours early.

How long does evaluation take?

Ministry of Defence will notify all bidders once evaluation is complete. Allow four to eight weeks from the submission deadline.

Where are the full tender documents?

All documents are on the official Contracts Finder listing at https://www.contractsfinder.service.gov.uk/Notice/891288. Always use the official source.

This article is for informational purposes only. Always verify all details on the official procurement portal before submitting a bid. Kael Tripton is not affiliated with or endorsed by Ministry of Defence or the UK government.