Climate Ambition Support Alliance Phase 3 (CASA3)

Department for Energy Security & Net Zero

Published: Sep 2, 2026

Updated: Sep 2, 2026

Source: uk_fts

About This Opportunity

This is a services contract in the environment and climate and finance and banking sectors, with a focus on Climate Adaptation. Located in United Kingdom, Europe, this opportunity is open to firms and consortiums, with an estimated budget of GBP 8.4 million. Proposals must be submitted before October 6, 2026.

Published through UK FTS - Find a Tender Service, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for services in the environment and climate sector. Service contracts are typically evaluated on both technical quality and price, and may require bidders to demonstrate relevant experience and qualified personnel. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

CASA3 is a strategic International Climate Finance (ICF) programme that strengthens the capacity and capability of climate-vulnerable developing countries to participate effectively in international climate negotiations. The programme contributes directly to UK Government priorities by supporting ambitious, inclusive and rules-based international climate negotiations, enabling developing country partners to engage as progressive voices within the United Nations Framework Convention on Climate Change (UNFCCC) and associated multilateral forums.

Data provenance

This notice is sourced from UK FTS - Find a Tender Service and was originally published on September 2, 2026. Last refreshed today. Reference: 083238-2026. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About Department for Energy Security & Net Zero

Department for Energy Security & Net Zero has issued 100 procurement notices on BidsFactory, including 16 currently open and 57 awarded contracts. Activity concentrates in Energy & Power, Governance & Public Administration, and Information & Communication Technology. All notices are published for United Kingdom. Notices are distributed via UK FTS - Find a Tender Service. Most recent publication: September 2, 2026.

Frequently asked questions about this tender

How can I submit a bid?

Visit UK FTS - Find a Tender Service to access the full notice, required documents, and submission instructions. Quote reference 083238-2026 when communicating with the contracting authority.

When does this tender close?

The submission deadline is October 6, 2026. You have 34 days left to prepare and submit your proposal to the contracting authority.

Who is the contracting authority?

This notice was issued by Department for Energy Security & Net Zero in United Kingdom. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Services contract in the Environment & Climate sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

What is the estimated budget?

The estimated contract value is £8,400,000 - £8,400,000. Bidders should ensure their proposals are consistent with this range and account for any local taxes and contract execution costs.

Where will the contract be performed?

The contract is for delivery in United Kingdom. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.