Battery Energy Storage Solutions (BESS)

Power Your Business with Smarter Energy

Battery Energy Storage Systems (BESS) are essential for commercial and industrial customers looking to gain energy resilience, reduce demand charges, and optimize energy usage. We provide scalable, high-performance storage systems tailored to your operational needs and use our own crew to perform the work. 

OnSite Solar has robust self-performance division in addition to our strong subcontractor network.

Commercial BESS Benefits:

• Reduce peak demand charges and utility bills
• Store solar energy for use after hours or during outages
• Meet sustainability and ESG goals
• Increase energy independence and resilience

Our Commercial Capabilities:

• Turnkey design and integration with solar PV systems
• Scalable storage solutions from 100 kWh to multi-MWh
• Multiple internal crew capabilities 
• Permitting, compliance, and interconnection support

Why Choose Us?

• Trusted Top Solar Contractor with years of experience
• Deep commercial and industrial expertise
• Single point of contact from design to O&M

Let’s build a smarter energy future together.