Existing Home Solar: Prepare Accurate Responder Information

What responder information is for

Keep the note concise. Separate verified details from questions that still need confirmation.

DOE’s Solar Energy Technologies Office says a homeowner may notify the local firehouse directly or with proper safety labeling. Clear labels should identify PV-connected power lines and component locations; the guide gives no label wording or location. DOE, “A Guide to Fire Safety with Solar Systems”.

Start with facts you can verify safely

Use records already available to you, such as the installer handoff, equipment documents, or earlier system correspondence. Do not climb onto the roof, open an enclosure, trace wiring, or approach equipment to fill a gap. This preparation does not require a property map.

• Write down only system identifiers that appear in records you already have.
• Note whether those records identify PV-connected lines or component locations; do not infer missing details.
• Separate confirmed information from questions that still need an installer or manufacturer to verify.
• Keep the installer or manufacturer contact information with the records, if available.

If the records do not settle a detail, leave it unknown. Ask the installer to confirm it for this system rather than drawing your own map or relying on a guess.

For example, a homeowner could say: “Our home has rooftop PV, and I’m letting you know it is present. What information would help your department?” This is a notice, not a claim that a label was accepted or stored.

A rapid-shutdown label is not an all-clear

DOE’s Federal Energy Management Program (FEMP) says PV modules can continue producing live current in sunlight and rapid shutdown does not de-energize the module semiconductor material. This statement appears in FEMP wildfire-response guidance for PV operators; it is not a procedure for operating a home system. DOE FEMP, “Solar Photovoltaic Hardening for Resilience – Wildfire”.

For that reason, a label, note, or displayed shutdown status should not say or imply that every PV component is de-energized or safe to touch. Do not operate a shutdown control, test equipment, or handle wiring while preparing this information.

Confirm system-specific details before sharing them

Ask the installer or exact equipment manufacturer which details are confirmed for this system, what a rapid-shutdown label or status actually refers to, and what remains energized after shutdown. Treat these as questions for the people responsible for the particular equipment, not as steps for you to perform or conclusions you can make from a label.

If a record, label, or status is missing or inconsistent, mark the point unknown and ask the installer or manufacturer to resolve it. Do not add guessed wording or a map. If there is immediate danger, keep clear and contact emergency services.