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  5. ›Donnells Dam Solar and Generator Replacement Project

Tri Dam Project·California

Donnells Dam Solar and Generator Replacement Project

Closes 1/6/2026$200k – $500kRequest for ProposalLogin required
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Description

The Tri-Dam Project is seeking the services of an experienced and qualified Solar Contactor to plan and execute installation of a solar panel array with a propane Generac-brand generator backup to replace the current power system at Donnells Dam. The project includes full planning, installation, setup, commissioning, and equipment startup of a new electrical system, including propane plumbing and pipework as needed. The contractor must ensure seamless transition between old and new systems to minimize power interruptions and maintain continuous data flow. • The project requires the installation of a solar panel array and a propane generator backup. • The contractor must ensure that the new system can deliver a continuous load of 240W for at least 72 hours without solar input. • The contractor must provide two complete sets of drawings and documentation, including maintenance and electrical drawings for each component. • The contractor must supply a spare parts package, including a charge controller, inverter, and spare solar panels. • The contractor must ensure that all specified components are commercially available and supported by the manufacturer for a minimum of three years.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Carey Martin(Bid Contact)

[email protected]

(209) 965-3996 ext 113

Key dates

Opened
12/8/2025
Questions due
11/17/2025
Pre-bid meeting
12/17/2025
Closes
1/6/2026
Duration
72 hours

Last updated

Details

Type
Request for Proposal
Industry
Energy and Utilities
NAICS
221119
Solicitation №
2025-04

Budget estimate

$200,000 – $500,000

Based on the project description, the budget for this project could range from $200,000 to $500,000, considering the cost of materials, labor, and equipment for the installation of a solar panel array and propane generator backup. The actual budget will depend on the contractor's bid and the Tri-Dam Project's budget. Factors that may influence the likely payment range include the complexity of the project, the experience and qualifications of the contractor, and the availability of materials and equipment.

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