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CAEs in the public sector

How Public Bodies Can Monetise Savings Through CAEs

A roadmap for public bodies considering CAEs, from ownership and procurement to evidence and accounting for proceeds.

Updated 10 August 2026Reading time : 4 min

A public body may explore realising value from energy savings through CAEs, but must coordinate energy rules, procurement, public assets, budgeting, accounting and internal control. Official guidance supports the process; it does not replace an assessment of powers or guarantee that an action, receipt or timetable will be accepted.

Define public powers and ownership

A public body should begin by confirming that it has authority over the energy-saving action and the rights it proposes to realise. Identify the competent organ, asset owner, building operator, energy payer and funding source. Public companies, municipalities, universities and health bodies may follow different internal rules even within the public sector. The official CAE guide provides direction, but it does not replace advice on powers, public assets, budgeting or the institution's specific governance arrangements.

Prepare a preliminary file linking the action to public objectives and technical facts. It should describe the site, equipment, completion and commissioning dates, applicable sheet or methodology, expected savings range and available invoices, measurements and acceptance records. Distinguish estimated savings from any amount later verified or recognised. This early diagnostic shows whether evidence can support a CAE route before procurement resources are committed and avoids treating a policy ambition as a guaranteed certificate volume.

Choose the procurement route

Rights may depend on contracts already in place. Review construction, supply, maintenance, energy-performance, lease, concession and grant documents for clauses concerning savings, incentives, environmental attributes or revenue. A contractor that financed equipment does not automatically hold the CAE savings, and public ownership of a building does not settle every occupancy arrangement. Any proposed transfer chain should start from a reasoned holder analysis and avoid conflicting exclusivity or rights promised under an earlier procurement.

Classify the intended transaction under the public body's applicable procurement and patrimonial framework before choosing a procedure. The arrangement may combine acquisition of technical services with transfer or realisation of rights, and its legal character cannot be inferred from a commercial label. Document estimated value, duration, lots, competition, publicity and approval route. Where the qualification is uncertain, obtain internal or external legal review rather than selecting a convenient template that may not fit the substance.

Prepare evidence and valuation

Competition requires comparable information. Tender documents should define the action portfolio, services required, evidence responsibilities, quantity uncertainty, contract duration and evaluation method. A bidder's consideration may include verification, aggregation or risk assumption, so headline amounts should be normalised before comparison. The regulated FNEE equivalence is not automatically the contract price, and one tender result is not a general market quotation. Evaluation criteria must follow the published rules and preserve an audit trail.

Contract terms should distinguish technical milestones, public administrative decisions and payment events. Address document delivery, site access, personal data, confidentiality, transfer scope, final quantity adjustment, taxes, invoicing and consequences of delay or rejection. No supplier can guarantee recognition merely through contract language. Remedies and securities can protect performance of private obligations, but they cannot bind the CAE authority, change eligibility rules or promise that a public receipt will arise in a particular financial year.

Coordinate controls and proceeds

Internal financial control should assess the proposed consideration before award and the actual receipt before recognition. Determine the appropriate budget, accounting, tax and treasury treatment under the entity's rules, including whether timing or netting of service costs affects presentation. Avoid booking estimated CAE value as realised income solely because an agreement was signed. The file should state the conditions still outstanding and the evidence required before the responsible officer records a receivable or cash event.

Coordinate grant and public-funding review with the CAE analysis. Collect award decisions and confirm eligible costs, cumulation, reporting and revenue conditions. Compatibility cannot be presumed from public ownership or from another authority's project. Procurement statements, grant declarations and the CAE dossier should use consistent facts about scope, costs, dates and beneficiary. If a condition is unclear, seek the appropriate interpretation and preserve it; contractual indemnities do not eliminate the public body's regulatory duties.

Decide without improper guarantees

Governance benefits from a cross-functional decision register. Assign owners from energy management, procurement, legal, finance, data protection and internal control; list each approval, source, assumption and unresolved issue. Maintain versioned technical and contractual indexes through verification and filing. Material changes, such as reduced savings, a delayed procedure or altered funding, should return to the competent organ under the body's rules. Transparency includes recording why a route was selected, not only retaining the final signed contract.

The closing decision should present a range of possible outcomes and a fallback if recognition or timing differs from plan. It can explain how CAEs may help realise value from demonstrable public-sector savings while stating that eligibility, quantity, issuance, consideration and receipt remain conditional. Archive the complete reasoning for audit and update it before new actions are added. A cautious process protects competition and public funds without understating the opportunity or turning official guidance into an improper guarantee.

Official sources

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