Solar quotes3 min read
How to compare two solar installation quotes
Use the same assumptions for each quote so you can see what the installation price covers.
Compare equipment and usable storage
Record the exact panel and inverter models, DC array size and inverter rating. For hybrid quotes, compare usable battery capacity and the circuits included in backup. A battery capacity figure alone does not tell you how long your equipment will run.
Check the installation scope
Ask each installer to itemise the mounting system, AC/DC protection, earthing, wiring, testing and monitoring. Confirm who handles utility paperwork where applicable, and which costs remain to be confirmed after a site visit.
Check written terms before accepting
Compare payment stages, lead times, equipment warranties and workmanship cover. Ask which assumptions the savings estimate uses and what changes if your load is higher in summer.