Commercial solar and backup power solve different problems. Solar generates electricity; a properly designed backup system supports selected operations when utility power is unavailable. Planning them together starts with the facility’s needs rather than a deadline-driven sales pitch.
Begin With the Facility’s Load Profile
Gather recent electric bills, interval data if available, operating hours, equipment schedules, and future expansion plans. Identify which costs and operational constraints you want the project to address. Energy use, demand, and the timing of those loads all deserve consideration.
Define What Must Keep Running
List the critical equipment, starting requirements, acceptable interruption time, and desired outage duration. A whole-building backup assumption can be very different from a plan for selected loads. Discuss these requirements before selecting batteries or a generator.
Confirm How the Equipment Will Work Together
Solar does not automatically provide backup during a grid outage. Outage operation requires equipment and controls designed for that purpose. A generator may be part of a solar-and-battery resilience system where the selected equipment, controls, and engineering support the combination. Do not assume compatibility from product names alone.
Build a Project-Specific Financial Model
Evaluate installed scope, production assumptions, electricity tariffs, operating costs, and equipment replacement assumptions. Confirm any incentive eligibility, application timing, and tax treatment with the program administrator and appropriate tax adviser before relying on it. This article does not promise a tax-credit percentage, payback period, or guaranteed savings.
Plan Delivery Before Setting the Schedule
- Assess the roof or site, electrical infrastructure, equipment locations, and access.
- Define engineering, permitting, utility review, and construction responsibilities.
- Identify long-lead equipment and any utility or facility work that must happen first.
- Coordinate shutdowns, installation phases, inspections, commissioning, and turnover.
Explore BD’s Commercial Work
Visit Commercial Energy and our project portfolio to see how electrical construction and energy systems connect. Request an assessment to discuss the needs of your facility.
Planning Resources
The U.S. Department of Energy explains inverters and outage operation. Massachusetts DOER provides the official starting point for solar program information.