Solar Installation Invoice Template
A solar installation invoice template with system size in kW, panels and inverter listed, permit and interconnection fees, and milestone payments. Example amounts are illustrative — replace them with your own.
Also used as a solar panel invoice, solar invoice, PV installation invoice.
From
Bill to
Items
Custom fields
Add purchase order numbers, project references, or any extra detail that appears on the invoice.
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Invoice
| Invoice # | INV-001 |
| Issued | Oct 8, 2026 |
| Due | Oct 22, 2026 |
Billed to
| Description | Qty | Rate | Amount |
|---|
| Subtotal | $0.00 |
| Tax (0%) | $0.00 |
| Total due | $0.00 |
Notes
Payment due within 14 days. Thank you for your business!
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When to use this template
Use it for residential and small commercial solar projects billed at contract, install and permission to operate.
Fields to include
- Your business name, address and contact details
- Invoice number, issue date and due date
- System size, panel and inverter models
- Permit and utility interconnection references
- Payment milestone
Sample solar installation invoice: what the lines look like
- 7.2 kW system: 18 panels, installed (milestone 2 of 3)1 × $9,360.00 = $9,360.00
- Permit and interconnection fees1 × $480.00 = $480.00
- Main panel upgrade to 200 A1 × $2,100.00 = $2,100.00
- Example total before tax$11,940.00
Practical tips
- List equipment model numbers; incentive applications need them.
- Keep fees that are pass-through visible.
- State the workmanship warranty term.
Frequently asked questions
What does a solar invoice need for a tax credit?
The installed cost, the equipment, the address and the date the system was placed in service. Ask the customer's tax adviser what their program requires.
How are solar projects billed?
Usually in three payments: on signing, on installation and on permission to operate.
Is this solar installation invoice template free?
Yes. Fill it in on this page, check the preview and download a print-ready PDF. You don't need an account.
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