Customer Owned Solar

Questions to ask your contractor when purchasing a solar PV system.

• How many systems have you installed in the area?  (state, county, local)
• What will the total cost be from start to finish, including design, permits and construction?
• Who is the panel manufacturer?
• What is kW (DC) rating per panel?
• What parts are covered by warranties?
• What is required of the owner to keep the warranties in force?
• What actions or inactions will void the warranties?
• Can the system be modified in the future without affecting the warranties?
• How much will it cost to temporarily remove the system if roof work is needed in the future?
• Does the bid include the AC electrical work?
• Does the system meet the rapid shutdown code requirements, NEC 690.12?
• Who is the battery manufacturer(if applicable) and what are the model and serial numbers? *
• What is the battery system kW and usable kWh (if applicable)? *
• What is the warranty for the battery system? *
• What is required of the owner to keep the battery warranty? *
• What actions or inactions will void the battery warranty? *
• How are the batteries disposed of at the end of their life? *
• Who will be responsible for getting the necessary permits?
• Are the permits costs included in the contract price?
• Are there any applicable state and federal tax credits or other available incentives?
• What are the expected annual operation and maintenance costs?
• What is the expected annual and lifetime energy generation based on the home’s orientation, shade, and estimated costs and savings?
• What portion of my energy consumption will be offset by the generation from the solar PV system?
• What purchase and financing options are available?

* Suggested if system also involves a battery storage component

For a directory of available solar installers, view our Solar Trade Ally Network. (Note: we do not endorse any of these providers.)