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New Jersey Solar Panel Calculator

Local rates, sun hours & savings — specific to New Jersey

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4.21

Peak Sun Hrs/Day

$0.179

Avg Rate ($/kWh)

$132

Avg Monthly Bill

12.5 yrs

Est. Payback

New Jersey punches well above its weight in solar thanks to one of the most developed renewable energy certificate markets in the US. The state's TREC/SREC programs provide ongoing revenue beyond basic electricity savings, and NJ's $0.18/kWh average rate makes the base economics solid. This calculator estimates your savings from electricity offset — actual returns may be even better once you factor in New Jersey's certificate income.

4.21 hrs

Sun Hours/Day

$0.179

Rate ($/kWh)

$2.80

Avg Cost/Watt

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Solar Data for New Jersey

Peak Sun Hours
4.21 hrs/day (NREL annual avg)
Avg Electricity Rate
$0.1787/kWh (EIA 2024)
Avg Monthly Bill
$132/month
Avg Install Cost
$2.80/W (LBNL Tracking the Sun)
Est. Payback (avg bill)
12.5 years (before 30% ITC)
Federal ITC
30% through 2032

Solar Panels in New Jersey — Frequently Asked Questions

Can solar panels completely eliminate my electricity bill?▾
A properly sized solar system can offset 90–100% of your annual electricity use, but you'll likely still have a small monthly connection fee ($10–$20) to stay connected to the grid. If you add battery storage, you can further reduce grid dependency. Net metering allows excess daytime production to offset nighttime usage in many states.
Can my HOA prevent me from installing solar panels?▾
In most states, no. Over 25 states have solar access laws that limit or prohibit HOA solar restrictions. California, Florida, Texas, Colorado, and New York all have strong protections. Your HOA can still regulate aesthetics (panel placement, color of conduit), but cannot block installation outright. Check your state's laws at dsireusa.org.
How many solar panels does the average home need?▾
Most US homes need between 15 and 30 panels (6–12 kW system). The exact number depends on your electricity usage, your state's sun hours, roof orientation, and the wattage of the panels you choose. Enter your bill or usage above to get a personalized estimate.
How much maintenance do solar panels require?▾
Very little. Solar panels have no moving parts and typically only need occasional cleaning (rain usually handles this) and an annual production check. Most panels come with 25-year performance warranties. Inverters have a 10–12 year lifespan and cost $1,000–$2,500 to replace. Overall, solar systems are low-maintenance assets.
How much does a solar system cost installed?▾
Installed solar costs range from $2.50 to $3.50 per watt depending on your state, system size, panel brand, and installer. A 10 kW system runs $25,000–$35,000 before incentives. After the 30% federal ITC, that's $17,500–$24,500. Many states offer additional rebates that can reduce costs further. Get 3 quotes to find competitive local pricing.

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Solar Savings on a $300/Month Bill

How much solar saves on a $300 monthly electricity bill in New Jersey

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Solar Savings on a $100/Month Bill

How much solar saves on a $100 monthly electricity bill in New Jersey

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Solar for 1,000 Sq Ft Homes

How many panels does a 1,000 sq ft home need?

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Solar for 2,500 Sq Ft Homes

How many panels does a 2,500 sq ft home need?

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12 kW Solar System

Full cost and savings breakdown for a 12 kW installation

Disclaimer: Data sources: NREL PVWatts (sun hours), EIA 2024 Residential Rate Survey (electricity rates), Lawrence Berkeley National Lab Tracking the Sun (install costs). Estimates are for planning only. Actual savings depend on your specific roof, shading, utility policies, and available incentives. Not financial or tax advice.