Solar panels quote comparison worksheet
Use this worksheet to compare solar panels bids against the same scope, assumptions, and project conditions.
Planning range $19,000 - $32,000 per project before incentives Use the range as context, then compare each bid line by line.
Keep every bid on the same assumptions
Start with the same project description, cost drivers, expected materials, access notes, and timeline for each contractor. The biggest drivers for this project are system size, roof complexity, equipment tier, and battery storage.
Project supplies
Compare related tools, parts, fixtures, filters, safety items, and materials before you buy or review a bid.
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Related supplies
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Scope comparison
| Assumption | Question to ask | Bid 1 notes | Bid 2 notes | Bid 3 notes |
|---|---|---|---|---|
| Project scope | What is included in each solar panels bid, and what would be billed separately? | |||
| System size | How does each contractor account for system size? | |||
| Roof complexity | How does each contractor account for roof complexity? | |||
| Equipment tier | How does each contractor account for equipment tier? | |||
| Battery storage | How does each contractor account for battery storage? |
Bid terms to compare
| Bid item | What to compare | Bid 1 notes | Bid 2 notes | Bid 3 notes |
|---|---|---|---|---|
| Included work | Labor, standard materials, preparation, cleanup, and disposal included in the price. | |||
| Allowances and exclusions | Items priced as allowances, excluded work, or conditions that could change the final price. | |||
| Permits and code work | Permit handling, inspection requirements, code upgrades, and who pays for surprises. | |||
| Schedule and payment terms | Start date, timeline, deposit, progress payments, final payment, and cancellation terms. | |||
| Warranty and cleanup | Labor warranty, material warranty, site protection, cleanup, and haul-off responsibilities. |
Before you choose a contractor
Ask each contractor to price the same scope, materials, cleanup, warranty, and change-order rules. A low bid is only useful when you know what is included and what can change later.