2026 Long Duration Energy Storage - Clean Firm Resources RFO
SCE is procuring Long Duration Energy Storage (LDES) and Clean Firm Resources (CFR) pursuant to CPUC Decision D.26-02-057, with offers due September 30, 2026 at 5 pm PPT via Power Advocate (event code 243310). Shortlist notification follows on November 18, 2026, and executed contracts are subject to CPUC approval.
Categories
Important dates
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Published
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RFO Launch
Solicitation documents posted on Power Advocate
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Submission deadline
Deadline passed -
Shortlist Notification
SCE will notify shortlisted participants
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Shortlist Deliverables due
Shortlisted participants must submit deliverables by 5 pm PPT
AI overview
Southern California Edison (SCE) is issuing a Request for Offers (RFO) to procure Long Duration Energy Storage (LDES) and Clean Firm Resources (CFR) pursuant to California Public Utilities Commission Decision D.26-02-057. This procurement seeks to secure reliable, clean energy resources to support grid reliability and California's clean energy and decarbonization goals. Interested parties must access all solicitation documents and submit all offers electronically through the Power Advocate sourcing platform using event code 243310 at the designated website URL.
The RFO was launched on September 11, 2026. Offers are due by September 30, 2026 at 5:00 pm Pacific Prevailing Time (the Offer Submittal Deadline). Following the offer submittal deadline, SCE will evaluate submissions and issue Shortlist Notification on November 18, 2026. Shortlisted participants must submit their Shortlist Deliverables by November 25, 2026 at 5:00 pm Pacific Prevailing Time. Contract execution will occur on a rolling basis after shortlisting. Any contracts executed pursuant to this procurement activity will be subject to California Public Utilities Commission approval.
All participants must pre-register with Power Advocate. Participants without an existing Power Advocate account must first register to create a username and password to receive access to the RFO materials. Users with an existing Power Advocate account may request access using the Website. SCE strongly encourages participants to register well before offers are due. Power Advocate registrants should be listed under the parent company of the entity submitting the Offer, not its contractors, subcontractors, consultants, or agents.
SCE reserves the right to modify the requirements or discontinue this procurement activity at its sole discretion and at any time without notice and without assigning any reasons and without liability of Edison International, SCE, or any of their subsidiaries, affiliates, or representatives. SCE also reserves the right to select no offers or proposals as an outcome of this procurement activity. SCE will not be deemed to have accepted any offer or proposal, and will not be bound by any term thereof, unless and until an authorized representative of SCE has executed a contract and all other required agreements. Questions should be directed to LDES-CFR_RFO@sce.com, copying keith.oliver@merrimackenergy.com.
Resources & contact
Proposal Document
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