Path-Q Solar
How should I prepare for a solar consultation if I recently bought the home and do not have a full year of electricity bills?
Answer
Bring every available utility bill and supplement it with occupancy, appliance, heating, cooling, and future-use information. Ask the installer to label estimates clearly and provide a range of designs rather than treating the short record as a complete picture.
Key points
- Collect bills from the prior owner if available, utility account history, move-in meter readings, and any interval data.
- Record the home's occupancy, heating and cooling fuels, major appliances, pool or other large loads, and seasonal use patterns.
- Identify planned EV charging, renovations, electrification, additions, and efficiency improvements.
- Ask for a conservative current-use design and one or more documented future-use scenarios.
What it depends on
- Length and quality of available usage records
- Differences between your use and the prior owner's use
- Home equipment, occupancy, and climate
- Planned changes to the property
Risks and trade-offs
- A short record may miss seasonal peaks and produce an undersized or oversized design.
- Prior-owner consumption may not represent your future use.
- A modeled estimate can be useful but should not be presented as measured history.
Information you may need
- Available bills and meter readings
- Home size, occupancy, heating, cooling, and major loads
- Planned changes and likely ownership period
- Installer's assumptions and scenario analysis
Your next step
What to do next
Prepare a one-page usage and future-load summary, then ask the installer to quote multiple sizes with assumptions and uncertainty identified.
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