Vallejo Planet bids #Invitation for Bids – Rooftop Solar Photovoltaic System Installation

Turnkey Rooftop Solar PV System Installation for City of Vallejo Public Works

The City of Vallejo Public Works Department is seeking bids for a turnkey rooftop solar photovoltaic (PV) system installation at 225 Amador Street, Vallejo, California. - Government Buyer: - City of Vallejo, Public Works Department - Project Scope: - Design, install, and commission a complete rooftop solar PV system - System capacity: minimum 10 kW DC, maximum 15 kW DC - Includes all labor, materials, equipment, engineering, permits, supervision, testing, commissioning, and related services - Contractor Requirements: - Valid California C-46 Solar and C-10 Electrical Contractor licenses - Minimum 5 years of commercial solar PV experience - Provide warranties: 25 years for solar modules, 10 years for inverters and workmanship - Services Requested: - Site assessment, design, permitting, installation, testing, training, and documentation - Comprehensive site evaluation, engineering calculations, construction drawings, and code compliance - Permitting, regulatory approvals, utility interconnection - Installation of panels, mounting systems, inverters, monitoring equipment, and labeling - Testing, commissioning, and operator training - Unique Requirements: - Compliance with all federal and California state laws and regulations - Minimize roof penetrations during installation - Provide detailed operation and maintenance manuals, as-built drawings, and warranty documents - No specific OEMs or vendors are named; bidders may propose suitable products meeting warranty and performance requirements - Bid submission is paper format; additional details in bid documents and sample contracts - Warranty period: 1 year post-completion - Contract duration tied to City fiscal year and funding; extensions possible for excusable delays

Description

The City of Vallejo is soliciting bids from qualified and licensed contractors to provide a complete turnkey rooftop solar photovoltaic (PV) system at 225 Amador Street, Vallejo, California. The contractor shall furnish all labor, materials, equipment, engineering, permits, supervision, testing, commissioning, and related services necessary to design, install, and place into operation a fully functional solar energy system. The system shall have a minimum generating capacity of 10 kW DC and a maximum of 15 kW DC, sized based on site conditions, roof area, and electrical requirements. Bids must be submitted by September 8, 2026, and a pre-bid meeting is scheduled for August 25, 2026.

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