Solar panel cost in New Jersey (2026)

A typical New Jersey home solar installation runs about $2.95 per watt — an 8 kW system comes to roughly $23,600 before incentives. Full retail net metering, a 15-year production payment program, and one of the higher residential electricity rates in the region put the economics here among the strongest in the Northeast. Use the solar savings calculator above to model your actual usage; what follows explains each piece of that number.

What solar costs in New Jersey right now

The statewide average installed price is $2.95 per watt in 2026. That covers panels, inverter, racking hardware, electrical work, permits, and installer margin — no incentives included.

Most New Jersey homes land between 6 kW and 12 kW depending on annual usage and usable roof area.

System size	Gross installed cost (est.)	Annual production (est.)	Monthly bill offset (est.)
6 kW	~$17,700	~7,500 kWh	~$112
8 kW	~$23,600	~10,000 kWh	~$149
10 kW	~$29,500	~12,600 kWh	~$186
12 kW	~$35,400	~15,100 kWh	~$223

Production estimated at 4.3 peak sun hours/day with an 80% system efficiency factor (inverter, heat, and wiring losses); savings at 17.8¢/kWh. All figures are estimates — get itemized quotes before making any financial decisions.

The right size depends on your 12-month kWh consumption, shading, and whether you want to cover 80% of your bill or 100%. A good installer sizes to your usage, not to fill your roof.

Why New Jersey’s solar math works

Three variables shape whether solar pencils out anywhere: electricity rate, solar resource, and installed cost. New Jersey scores well on all three.

Electricity rate: 17.8¢/kWh. Meaningfully above the national average. Every kilowatt-hour your panels produce replaces one you would otherwise buy at that rate. Under net metering, every kilowatt-hour you export earns a credit at the same retail price. Higher utility rates compress payback periods directly and predictably.

Sun: 4.3 peak sun hours per day. Not Arizona, but far from the national bottom. A well-oriented roof in Trenton, Cherry Hill, or Parsippany produces reliable output year-round, with summer peaks and moderate winters balancing to a strong annual number.

Installed cost: ~$2.95/watt. New Jersey’s dense installer market and relatively streamlined interconnection process keep competition healthy, holding prices broadly in line with the national average — not inflated by regional scarcity.

See are solar panels worth it? for a framework on evaluating this investment for your specific situation.

What drives your installed price up or down

The $2.95/watt average hides real variation. Your quote could land anywhere from $2.60 to $3.40 per watt depending on several factors.

Equipment tier

Standard 400-watt panels cost less per watt than premium 430–450-watt high-efficiency modules. Premium panels produce more electricity per square foot — valuable on a cramped or partially shaded roof — but add upfront cost. Microinverters and power optimizers offer per-panel monitoring and shade tolerance over string inverters at a higher price. These choices affect both upfront cost and long-term output and serviceability.

Roof complexity

A clean, south-facing single-story roof is the cheapest install. Steep pitches, multiple roof planes, valleys, skylights, and vents force complicated racking layouts that add labor hours. New Jersey’s stock of colonial and cape cod homes means many quotes carry a complexity premium.

Installer overhead and margin

The same panels installed by a high-volume regional company versus a smaller local shop can differ by $0.20–$0.40 per watt. Neither is automatically better. Get three quotes broken down as itemized line items: panel model and quantity, inverter make and model, racking system, permit fees, and utility interconnection costs listed separately. A single per-watt number tells you almost nothing about what you are actually buying.

New Jersey incentives that lower your cost

Sales-tax exemption. New Jersey exempts solar equipment from the state’s 6.625% sales tax, with no application required. On a $23,600 system that is roughly $1,560 off — applied automatically at purchase.

Property-tax exemption. Solar adds measurable value to a home. New Jersey exempts 100% of that added value from property taxes for as long as you own the system. Your assessed value rises; your tax bill does not.

SuSI / SREC-II production payments. New Jersey’s Successor Solar Incentive program pays residential solar owners a fixed dollar amount per megawatt-hour of electricity their system produces for 15 years from interconnection. The per-MWh rate is set by the New Jersey Board of Public Utilities and has varied across program tranches. Get the current rate from your installer before you sign, and verify it directly. These payments stack on top of utility savings and compound over 15 years, especially on larger systems. See how New Jersey compares at solar incentives by state.

Federal tax credit: $0 in 2026. The 30% federal residential solar tax credit (IRC §25D) expired on December 31, 2025. Do not budget for it, and do not sign a contract with a proposal that assumes it. One nuance: if you lease panels or sign a power purchase agreement (PPA), the third-party owner may still benefit from the commercial investment tax credit (§48E), which can lower your monthly lease payment — but that credit flows to the company, not to you.

How net metering shapes your payback

New Jersey maintains full retail net metering, one of the most homeowner-favorable structures in the country. When your panels produce more than your home uses, surplus flows to the grid and your meter runs backward. Your utility credits that export at the same 17.8¢/kWh you would otherwise pay.

Credits roll forward month to month. A properly sized system builds large credit banks in April and May, then draws them down in July and January. Over a full year, the balance typically nets close to zero — minus the fixed monthly customer charge your utility requires regardless.

Several states have shifted to avoided-cost net metering, paying only wholesale rates (often 4–6¢/kWh) for grid exports. That policy change cuts effective payback periods roughly in half. New Jersey has held its full-retail structure, which is a significant reason the economics work here.

A worked example

A homeowner in Montclair using 11,000 kWh per year — about $163/month at 17.8¢ average — could cover roughly 90% of that load with a 9 kW system at $2.95/watt.

• Gross installed cost: ~$26,550 (estimate)
• Sales-tax savings (6.625%): ~$1,759 — effective cost becomes ~$24,791
• Federal tax credit: $0 for a 2026 purchase
• Annual utility savings: ~$1,750/year (from net metering at 17.8¢/kWh)
• SuSI production income: additional per-MWh payments for 15 years at the enrolled rate (confirm current rate with installer)

Payback from utility savings alone lands in the 12–14 year range on these figures. SuSI payments shorten that, and the property-tax exemption adds value if you sell before payback. Run your specific numbers through the solar savings calculator above for a sharper estimate.

How to get an honest quote

Ask for at least three quotes, each itemized as line items — not a single bottom-line number. A credible proposal separates panel costs, inverter costs, racking, labor, permit fees, and interconnection charges. Bundled per-watt quotes make comparisons impossible.

Ask each installer to specify the SuSI rate you would enroll at and show the enrollment process in writing. Ask whether the company self-installs or subcontracts. Ask for references from jobs completed in the past 12 months in your county. And ask about interconnection timeline — your system cannot turn on until your utility (PSE&G, JCP&L, or another local provider) approves it, and timelines vary by provider.

All prices and incentive rates in this article are estimates based on 2026 market data. Verify figures — especially the current SuSI/SREC-II rate and program availability — with your installer and directly with the New Jersey Board of Public Utilities before committing to any contract.