Princeton, NJ Solar Installation: 2026 Costs, Incentives & Savings
Solar Power in Princeton
If you live in Princeton, NJ, and your electricity bills keep climbing, you’re not alone. New Jersey residential rates average 19.38 cents per kWh—well above the national average of 16.6 cents. That’s why more Princeton homeowners are exploring solar.
New Jersey now ranks 5th in the nation for residential solar, and this guide breaks down how it works here. We’ll walk you through the basics of solar installation, including how home solar panels generate power and what to expect.
New Jersey by the Numbers
- 5th Most residential solar in the United States
- 182 Households have installed solar panels
- 4.8 Avg peak sun hours per day
- ~$86k Princeton average savings over 25 years
How Much Do Solar Panels Cost in Princeton, NJ?
See what solar really costs in Princeton, NJ. Our calculator uses firsthand data from actual installations across Princeton and nearby areas like Lawrenceville, Hopewell, Pennington, and West Windsor. That means your estimate reflects real local pricing—not national averages.
System Size
This system size is designed to offset approximately 100% of the average electricity usage for a home of this size in New Jersey.
Recommended System: 9.02 kW
Estimated Monthly Payment: $120/mo
Cost Breakdown
- System Cost: $26,857
- Price per Watt: $2.98
- Final Cost: $26,857
Savings
- Monthly Savings: $197
- Payback Period: 9.8 years
- 25-Year Savings: $86,136
Palmetto Reviews
The team that did our install was excellent. Very informative and professional. They have taken care of every step of the process and kept us informed. We are highly recommending them.
Jose R, Hillsborough Township, New Jersey
I resisted going solar for years because of the cost of installation that many quoted when they came to my door. Someone finally came to my door from Palmetto and offered a solar plan that didn’t cost me a penny to install the solar at all.
Steve Shaw, New Jersey, New Jersey
Palmetto Solar is a fantastic solar company to work with. They provide great communication every step of the way.
Maria Margaritis, New Jersey, New Jersey
Key Takeaways
- Princeton electricity rates average 19.4¢ per kWh—well above the national average—so going solar can help you gain more predictable energy costs for years.
- New Jersey offers strong solar incentives like full retail net metering, sales and property tax exemptions, and SREC programs, even without the federal tax credit.
- A typical Princeton home can save around $86,000 over 25 years or go solar with no upfront cost through a LightReach lease.
Princeton Electricity Prices
If your Princeton electricity bills keep climbing, you’re not alone—and there may be a way to take back control.
Electricity costs in New Jersey have risen steadily over the past few years, staying well above the national average. For many Princeton homeowners, that trend adds up to higher monthly bills with no clear end in sight.
Solar offers a way to sidestep rising rates. By generating your own power with home solar panels, you can rely less on the grid and gain more predictability in what you pay each month.
Price of Energy: New Jersey vs National Average
| Year | NJ Average | US Average |
|---|---|---|
| 2021 | 19.4¢ | 16.0¢ |
| 2022 | xx | xx |
| 2023 | xx | xx |
| 2024 | xx | xx |
Princeton Area Utility Providers
In Princeton, NJ, electricity costs vary by utility. In 2023, JCP&L customers paid about 14.0¢ per kWh, while PSE&G customers paid 18.8¢ per kWh. Both compare to the 2023 national average of 16.0¢.
These rates can shift over time and often rise. Solar panel installation in Princeton helps you generate your own power, offering more predictable energy costs and less exposure to future utility rate increases.
Princeton Utilities Electricity Rates
| Utility | Rate | Change |
|---|---|---|
| JCP&L | 14.00¢ | -12% |
| PSE&G | 18.80¢ | +18% |
| NJ Avg | 17.70¢ | +11% |
| US Avg | 16.0¢ | — |
New Jersey Solar Incentives
Princeton homeowners can tap several money-saving programs. Explore the solar incentives in New Jersey that help lower the cost of going solar.
| Incentive | Type | Description | Source |
|---|---|---|---|
| Net Metering | Net Metering | New Jersey mandates full 1:1 retail-rate net metering for all residential solar customers across all four investor-owned utilities, allowing homeowners to offset their electricity bills with excess solar generation. | Learn More |
| Sales Tax Exemption | Sales Tax Exemption | Solar energy systems and battery storage equipment are 100% exempt from New Jersey’s 6.625% state sales and use tax. | Learn More |
| Property Tax Exemption | Property Tax Exemption | Under N.J.S.A. 54:4-3.113a, the added home value from a solar installation is permanently excluded from New Jersey property tax assessments. | Learn More |
| Community Solar Energy Program | Rebate | New Jersey’s Community Solar Energy Program allows residents to benefit from solar energy by subscribing to a share of an off-site solar farm. | Learn More |
| Competitive Solar Incentive (CSI) Program | SREC | This program awards SREC-II payments to eligible solar projects. | Learn More |
| Garden State Energy Storage Program (GSESP) | Rebate | Provides incentives for installing behind-the-meter battery storage systems. | Learn More |
Princeton Solar Irradiance
Solar panel production varies throughout the year based on daylight hours, weather patterns, and sun intensity. Understanding how seasons affect your solar system helps set realistic expectations for your investment.
Solar Production in Princeton by Month
| Month | Energy Production (kWh/day) |
|---|---|
| July | 44.3 |
| December | 22.5 |
What Can Your Solar System Power?
Summer Production (July)
- 3.0 average homes (15 kWh/day per home)
- Run central AC for 14 hours
- Fully charge 4.4 Tesla Model 3 electric vehicles
Winter Production (December)
- 1.5 average homes (15 kWh/day per home)
- Keep your home heating system running for 11 hours
- Fully charge 2.3 Tesla Model 3 electric vehicles
Annual Production
- Offset 9 tons of carbon dioxide emissions
- Equal the environmental benefit of planting 162 trees
Solar Panel Systems in Princeton
We’ve mapped solar installations across the United States, right down to the neighborhood level. Explore this interactive heatmap of Princeton, NJ to see how many of your neighbors have already switched to solar.
Leasing Solar Panels
Not everyone wants to pay for solar upfront. In Princeton, you can go solar through a Power Purchase Agreement (PPA). With a PPA, you simply pay a set price for the power your panels produce.
Go solar without the investment
With LightReach, there are no investment costs to recoup, loan payments to manage, or maintenance needs to take on. As soon as your panels are active, your solar savings are too!
Frequently Asked Questions
- Does Princeton, NJ have net metering? Yes. Homes have access to full 1:1 retail-rate net metering.
- Do solar panels increase your home value in Princeton, NJ? Yes, homes with solar sell for about 4.1% more.
- How much does it cost to go solar in Princeton, NJ? You can go solar with no upfront cost through a LightReach lease, paying around $120/month.
- Is solar worth it financially? Yes, many homeowners find solar valuable for offsetting rising utility bills.