Long Duration Energy Storage Project

Pasadena Water and Power (PWP), a Department of the City of Pasadena, invites qualified respondents to submit proposals for a minimum fifteen (15) year Energy Storage Agreement (ESA) for a Long Duration Energy Storage (LDES) demonstration project. The scope of work encompasses engineering and design, materials furnishing, project development, permitting, construction support, commissioning and start-up support, and maintenance and operations of an LDES system with a capacity of approximately 100 kW to 500 kW using Redox-Flow Battery (RFB) technology. Proposals are welcome for all RFB chemistry types that meet the minimum requirements specified in the Scope of Work section. The selected qualified respondent will be required to provide a minimum 10-hour energy storage capability or longer.

The proposed solution is intended to support a Department of Energy (DOE) grant funding opportunity (DE-FOA-0003399 for Energy Storage Pilot Demonstrations). The qualified respondent selected through this RFP process shall collaborate with PWP by providing technical information for the grant application, with the understanding that project continuation is contingent upon successful grant award. If the grant is not awarded, the project may be canceled with no financial obligation to the City for information provided. Pasadena Water and Power currently delivers approximately 1.1 million MWh of energy annually to 65,000 retail customers with a historical peak load of about 330 MW. The utility maintains a diversified generating portfolio including gas-fired, hydro (large and small), coal, nuclear, solar, wind, geothermal, and landfill gas resources. Pasadena City Council adopted Resolution 9977 in 2023, declaring a climate emergency and establishing a goal to source 100 percent of Pasadena's electricity from carbon-free sources by the end of 2030. The LDES demonstration project will showcase RFB capabilities and safe/effective use, while demonstrating how LDES can shift excess solar energy into peak demand times and nighttime hours to reduce carbon content of consumed electricity.

Key dates include a pre-proposal meeting scheduled for February 20, 2025 at 6:30 PM, questions and answers deadline of February 20, 2025 at 11:00 PM, and proposal submission deadline of March 4, 2025 at 11:00 PM. Respondents must submit complete proposals including technical specifications, pricing information, relevant experience documentation, and compliance with all federal and local requirements outlined in the RFP. The Master Services Contract and all required forms, disclosures, and technical questionnaires must be completed and submitted with the proposal.