Homeowner guide
Planning a Roof, Solar Panels and Battery Backup Together
Review the roof first, then size the solar and battery discussion around your electricity use and backup priorities. Producing electricity and keeping selected loads running during an outage are separate design goals.
Establish roof readiness before panel layout
The U.S. Department of Energy advises homeowners to consider roof age and individual circumstances when planning solar. Gather your roof installation date, repair history and any warranty records before choosing a panel layout.
If roof work is being considered, ask the roofing and solar teams to agree on the sequence and responsibilities. Understand how attachments, future roof access and any panel removal would be handled. A coordinated proposal should make the handoffs clear.
Bring usage information, not just a target bill
Collect recent electricity bills, ideally covering a full year, and note expected changes such as an electric vehicle or a new appliance. Roof space and shade are part of the design conversation alongside your consumption.
Ask for the assumptions behind projected production and bill estimates. Keep the equipment proposal separate from claims about future utility rates or incentives. Compare current written proposals using the same usage information rather than assuming every system will produce the same result.
Define what battery backup should support
List the circuits or appliances you want available during an outage and tell the designer which are essential. Ask for an explanation of usable storage, output limits and how simultaneous loads affect the proposed configuration.
Do not assume panels alone will power your home during an outage. Have the installer explain the proposed system’s outage operation, isolation equipment, recharge behavior and limitations. Backup duration depends on the design, connected loads and available charge.
- Priority circuits and appliances
- Loads that may need to be managed or left off
- Expected operating duration and its assumptions
- Equipment locations, access and compatibility
Make the proposal work as one project
Compare equipment models, installation scope, monitoring, service responsibilities and written warranties. Ask who handles each approval and utility coordination step, and what must happen before the system is put into operation.
GreenOn Homes offers conversations around rooftop panels, solar roofing and battery backup. Product availability, installer eligibility and compatibility are confirmed for the proposed design; listing a product does not mean every product belongs in the same system.
- Roofing and solar work sequence
- Roof attachment and warranty responsibilities
- Equipment and backup design assumptions
- Completion documents and support contacts
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Discuss your project ↗Further reading
Official resources for the topics discussed above. Requirements and project details should be confirmed for your property.