City of Corona Electric Utility Battery Energy Storage System Feasibility Study

The City of Corona Utilities Department is requesting proposals for a Battery Energy Storage System (BESS) Feasibility Study under RFP 27-017AG, with proposals due November 19, 2026 at 10:00 a.m. and a mandatory pre-proposal meeting on October 15, 2026 at 11:00 a.m. at 3997 Temescal Canyon Road, Corona, California.

The scope is a comprehensive feasibility analysis of BESS deployment at five Wholesale Distribution Access Tariff (WDAT) points of delivery serving the City's electric utility (approximately 2,000 customers, 86,454 MWh annual consumption, 17.3 MW coincident peak load). The consultant must conduct technical, operational, regulatory, and economic feasibility analysis including load profile analysis, energy market analysis, interconnection and permitting requirements evaluation, cost-benefit analysis of deployment alternatives, and recommendations on technical feasibility and economic viability. An optional implementation plan component is available for additional fee covering one selected BESS alternative at one WDAT location, with incremental pricing for additional locations.

Proposals must be submitted electronically through PlanetBids with all required forms completed and uploaded: Acknowledgment of Terms and Conditions, RFP Acknowledgment, Non-Collusion Declaration, Consultant's Statement of Past Contract Disqualifications, Vendor Performance Evaluation Form, and Acknowledgment of Insurance Requirements. The fee proposal must include hourly rates by position, estimated hours by task, total hours, and a fixed not-to-exceed maximum fee. Written questions are due October 22, 2026 at 4:00 p.m.; City responses are due October 29, 2026.

The consultant must maintain General Liability ($1 million per occurrence/$2 million aggregate), Automobile Liability ($1 million), Workers' Compensation and Employer's Liability ($1 million), and Errors and Omissions Professional Liability insurance ($1 million per claim/$2 million aggregate), with the City named as additional insured. A City of Corona Business License is required prior to contract award.

The initial contract term runs approximately March 1, 2027 through September 30, 2027 with renewal options by mutual written consent. Evaluation on a 100-point scale covers firm qualifications (25 points), personnel qualifications and experience (25 points), work plan and project understanding (30 points), references and past performance (10 points), and value (10 points). Highest-ranked consultants may be interviewed for an additional 100 points. Consultant selection is anticipated January 14, 2027, with City Council approval February 17, 2027, and Notice to Proceed February 22, 2027.