Direct answer: typical cost range
Installing two standard residential solar panels (about 350‑400 W total) usually costs between $1,200 and $2,200 all‑in, depending on equipment quality, local labor rates, permitting fees, and any needed electrical upgrades.
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What factors drive the price?
1. Panel hardware
Panel price varies by brand, efficiency, and warranty. Low‑cost monocrystalline panels start around $150 each, while premium models can exceed $300 each.
2. Inverter or micro‑inverter
A single‑phase string inverter for a two‑panel system typically runs $200‑$400. Micro‑inverters (one per panel) cost $120‑$180 each but add flexibility.
3. Mounting and racking
Roof‑mount kits cost $50‑$100 per panel; ground‑mount kits are pricier at $150‑$250 per panel.
4. Labor
Electricians charge $70‑$120 per hour. A two‑panel install usually takes 4‑6 hours, so labor runs $280‑$720.
5. Permits and inspections
Municipal permits range $50‑$200; some jurisdictions require a plan‑check fee of $100‑$300.
6. Additional electrical work
If your service panel needs an upgrade or a new breaker, add $150‑$500.
Typical cost breakdown
| Item | Cost range (USD) | Notes |
|---|---|---|
| Solar panels (2) | $300‑$600 | Monocrystalline, 350‑400 W total |
| Inverter | $200‑$400 | String inverter; micro‑inverter option higher |
| Mounting hardware | $100‑$200 | Roof‑mount kit |
| Labor | $280‑$720 | 4‑6 hrs @ $70‑$120/hr |
| Permits & inspection | $50‑$300 | Varies by locality |
| Electrical upgrades | $150‑$500 | Optional, depends on existing panel |
| Total | $1,080‑$2,720 | All‑inclusive estimate |
How to keep costs down
- Shop for sales or bulk‑purchase discounts on panels.
- Choose a reputable local installer who offers a fixed‑price quote.
- Check for state or utility rebates; many programs cover 10‑30% of equipment costs.
- Consider a micro‑inverter only if you have shading issues; otherwise a string inverter is cheaper.
- Do any simple prep work yourself, such as clearing the roof area, to reduce labor hours.
Financing and incentives
Many installers partner with financing companies offering 0‑% APR loans for 5‑10 years. Additionally, the federal Investment Tax Credit (ITC) provides a 30% credit on the total system cost (including labor) for residential solar installed through 2032. Check your state's energy office for additional rebates.
When the price can spike
Expect higher totals if you need a new roof, a ground‑mount installation, or a significant service‑panel upgrade. Remote or hard‑to‑access roofs also increase labor costs.
Bottom line
For most homeowners, a two‑panel solar setup will cost roughly $1,200‑$2,200 after accounting for equipment, labor, permits, and optional upgrades. Use the table above to compare quotes and factor in incentives to determine your true out‑of‑pocket expense.