How Much Do Solar Panels Cost in 2026?

2026 update: The 30% federal residential solar tax credit (25D) was eliminated for new installations as of December 31, 2025, by the One Big Beautiful Bill. This guide reflects actual 2026 pricing — no federal credit assumed for cash or loan purchases. Guides that still show “after 30% credit” pricing are outdated.

In 2026, residential solar in the US costs roughly $3.00 per watt installed before any incentives. For a typical home, that works out to a total of $15,000–$30,000 depending on system size, with no automatic federal offset for most buyers. Here’s how that breaks down, what’s actually included, and how to pay less.

Price Per Watt: The Number That Matters

Solar pricing is quoted in dollars per watt because it lets you compare systems of different sizes fairly. The national average gross installed price sits around $2.80–$3.20/W in 2026. Prices vary:

• High-competition markets (California, Arizona, Texas): $2.50–$2.90/W
• Average markets: $2.90–$3.20/W
• Less mature markets (rural areas, some Northeast states): $3.20–$3.80/W

A “watt” here refers to system capacity. A 7,000-watt (7 kW) system at $3.00/W costs $21,000 installed — that’s the number you need to plan around in 2026.

Total Cost by System Size

System size	Gross cost (~$3/W)	State credit example (NY 25%)	Fits a home using…
5 kW	$15,000	~$12,500	~600 kWh/month
7 kW	$21,000	~$17,500	~850 kWh/month
10 kW	$30,000	~$25,000	~1,200 kWh/month
12 kW	$36,000	~$30,000	~1,450 kWh/month

Most US homes land in the 6–10 kW range. The right size depends on your electricity usage and how much you want to offset. Our solar savings calculator sizes this automatically from your monthly bill and state’s sun hours.

What’s Actually Included in the Per-Watt Price

The $3.00/W figure is an all-in installed price that bundles several distinct cost categories:

Equipment (roughly 55–60% of total cost):

• Solar panels themselves: ~25–30% of the system cost. Most modern panels are monocrystalline with 20–22% efficiency. Tier-1 brands (Panasonic, SunPower, REC) command a premium; budget options are cheaper but may have worse warranty terms.
• Inverter: ~10–12%. The inverter converts DC electricity from panels into AC power for your home. String inverters (one central unit) are cheaper; microinverters (one per panel) cost more but handle shading better and allow panel-level monitoring.
• Racking and mounting hardware: ~8–10%. What holds the panels to your roof. The installation type (flush mount, tilt mount, ground mount) affects cost.
• Battery storage (if added): a separate cost — see below.

Labor and soft costs (roughly 40–45% of total cost):

• Installation labor: ~10–15%. Ranges widely by market and installer.
• Permitting, inspections, and utility interconnection: ~8–12%. Every installation needs local permits and utility approval to connect to the grid. Timeline varies from days to months depending on your municipality.
• System design and engineering: ~5%.
• Installer sales, marketing, and overhead: ~15–20%.

That last bucket explains why getting multiple quotes can save you thousands. The same equipment installed by two different companies can have wildly different total prices based on their sales infrastructure and margins.

How Prices Have Changed

2026 panel pricing is actually lower than a few years ago in real dollar terms — panel manufacturing costs have dropped significantly over the past decade. In 2020, $3.00/W would have been below-average pricing; today it’s solidly mid-market.

The challenge in 2026 isn’t the equipment cost — it’s that the 30% federal credit that used to absorb a third of the system cost is now gone for residential buyers. The out-of-pocket number is the gross price, full stop, unless your state offers its own programs.

What About the Federal Tax Credit?

Short version: there isn’t one for most buyers in 2026.

The Residential Clean Energy Credit (Section 25D) — which offered 30% of system cost as a federal tax credit — was eliminated for systems installed after December 31, 2025 by the One Big Beautiful Bill Act signed July 4, 2025.

If you installed solar before that deadline, you can still claim the credit on your 2025 taxes. If you’re installing now, in 2026, there is no federal credit available to you as a homeowner buying with cash or a loan.

See our full guide to the 2026 tax credit situation for details on who is still covered, the lease/PPA exception, and what remains.

State Incentives: Now More Important Than Ever

With the federal credit gone, state-level programs carry more weight. They don’t fully replace it, but they meaningfully reduce costs in the states that have them:

State tax credits:

• New York: 25% state credit, capped at $5,000
• Hawaii: 35% state credit, capped at $5,000
• South Carolina: 25% credit, no cap
• Massachusetts: 15% credit, capped at $1,000
• Montana: 15% credit, capped at $500

Utility rebates: Many utilities offer upfront rebates per watt installed, typically $0.10–$0.50/W. Check your utility’s website directly — these programs open and close without much notice.

Net metering: Not a rebate, but it speeds payback significantly. With good net metering, excess power your panels send to the grid credits your bill at retail rates, effectively using the grid as a free battery.

SREC markets: In states like New Jersey, Massachusetts, Pennsylvania, Maryland, and Illinois, you earn Solar Renewable Energy Certificates for the electricity your panels produce and can sell them for additional income — sometimes thousands of dollars over the system’s life.

See your state’s page for the specific incentives available where you live, or check the DSIRE database for the authoritative source.

Battery Storage: A Separate Cost

Batteries are increasingly popular but they’re a separate line item, not included in the per-watt system price above:

• Single battery (10–13 kWh usable): $10,000–$15,000 installed
• Two batteries (20–26 kWh): $18,000–$26,000 installed

Important 2026 update: the federal residential tax credit for battery storage was also eliminated as part of the same One Big Beautiful Bill that ended the solar credit. Standalone or solar-paired batteries purchased in 2026 by homeowners no longer receive the 30% federal credit.

Batteries make financial sense primarily in areas with:

• Frequent grid outages
• Time-of-use rates where evening power is much more expensive
• Weak or no net metering, where stored solar is worth more than exported solar

For most homeowners with reliable grids and decent net metering, batteries lengthen the payback period without adding proportional savings. See our full battery cost guide for the complete analysis.

How to Pay Less: A Practical Checklist

1. Get at least 3 quotes from licensed local installers. Prices for the same system can vary 20–30% between companies. The cheapest quote isn’t always the best — check warranty terms, equipment brands, and installer reviews.

2. Know your state’s incentives before talking to installers. Salespeople may not always volunteer every program. Check DSIRE and your state energy office independently.

3. Ask about equipment tier and warranty. A $2,800/W quote with no-name panels and a 10-year warranty might end up costing more than a $3,200/W quote with tier-1 panels and a 25-year warranty.

4. Don’t over-size the system. Sizing to 100% offset is the most common upsell. If your net metering is limited, you may produce excess power that’s worth less — a 75–80% offset might give better ROI.

5. Be skeptical of high-pressure or one-day offers. Legitimate installers give you written quotes and time to compare. Anyone pushing you to sign immediately is selling something besides solar.

6. Time of year matters slightly. Installers often have end-of-quarter or end-of-year incentives. It’s worth asking.

What to Expect When You Request a Quote

A legitimate solar quote should include:

• System size (kW) and annual production estimate (kWh)
• Equipment specification: panel brand/model, inverter brand/model
• Total installed price (not just monthly payment)
• What incentives the installer has factored in — and which ones are yours to claim separately
• Projected payback period and first-year savings estimate
• Warranty terms: typically 25 years for panels, 10–12 years for inverters, 1–2 years for workmanship

The payback period you’re quoted should reflect 2026 reality — no federal credit for most buyers. If an installer quotes you a 7–8 year payback assuming a 30% federal credit you won’t receive, that’s a problem.

The Bottom Line

Budget $3.00/W gross, full price, no federal offset for 2026 planning. For most homes that means a $15,000–$30,000 investment depending on system size and market. Payback periods are now 10–14 years for average conditions — longer in low-rate states, shorter in high-rate states with good state incentives.

Use the savings calculator to size a system for your specific bill and state. It’s updated for 2026 with no federal credit assumed and uses real EIA electricity rates and NREL sun hours. Then use that baseline when talking to installers, so you can spot inflated projections before they become a problem.