By Brett Duguay | BD Electrical & Solar | September 30, 2026
A solar array, an EV charger, and a backup battery are often sold as separate products. At your property, they connect to the same electrical system.
Planning the whole system brings the grid buildout into focus for property owners. The wider energy story involves generating plants, transmission, substations, and new demand. The part a building owner can act on is the design between the utility connection and the equipment inside the property.
Start with what the building needs to do
For a homeowner, the goal may be lower purchased electricity, charging a vehicle, and keeping essential equipment running during storms. For a business, it may be production capacity, a charging program, or reducing the consequences of an outage.
Those goals can lead to different systems. A large solar array does not automatically provide backup. A battery does not automatically support every circuit. A larger service does not automatically resolve an unsuitable internal distribution layout.
Write down the operating goals before comparing equipment brands. It creates a clear basis for deciding what belongs in the project.
Map the shared infrastructure
Every added system needs a connection and physical space. The electrical service, distribution equipment, conduit routes, equipment locations, communications, and maintenance access should be considered together.
For example, a commercial parking-lot project may be a good opportunity to plan pathways for later charging expansion. But spare conduit is only useful if its route, size, termination points, and future equipment locations make sense. “Future-ready” should describe a specific provision in the drawings.
Separate normal operation from outage operation
During normal operation, the utility can supply demand that solar or a battery does not cover. During an outage, the backup system has to operate within its own power and energy limits.
The design should say which loads remain connected, which can be reduced, and how the system behaves if solar production is low. If a generator is included, its interaction with batteries and other controls needs a compatible, documented design.
This is also where household preferences or business priorities become engineering inputs. A well pump may matter more than air conditioning. A communications room may matter more than general office receptacles. The owner should make those priorities explicit.
Coordinate the work in phases
Not every property needs every technology at once. A phased plan can identify work needed now and provisions worth making while walls, trenches, or equipment areas are accessible.
The first phase should remain useful on its own. Future additions should be treated as defined options, with compatibility checked when the later project is ready. Product roadmaps and utility forecasts are not substitutes for confirmed equipment requirements.
Ask for a clear handoff
At completion, an owner should understand the installed configuration, monitoring access, operating settings, and who to contact for service. Documentation should distinguish installed capacity from reserved space and identify any utility operating limits.
BD brings electrical work, solar, storage, charging, and backup into one planning conversation. Explore our residential energy systems or commercial energy services. The starting point is the complete property and the job you need it to perform.