SunCents Logo SunCents

Is Solar Worth It in Stuart, Florida?

We analyzed Florida Power & Light (FPL) rate books, NREL irradiance data, and Florida tax codes to calculate the real ROI for homeowners in 34994.

Market Snapshot

Elec. Rate
$0.138/kWh
Sun Hours
5.65
Utility Florida Power & Light (FPL)
Tax Exempt Yes
Battery Optional

Analyst Note: The "4kW Benchmark"

The analysis below uses a standardized 4kW system to provide a fair baseline comparison across cities. However, the average electric bill in Stuart is $173.88.

⚠️ Most homes here will need a larger system (8kW–12kW) to reach 100% offset. Use the calculator below for your exact numbers.

For homeowners in Stuart, dealing with rising FPL bills and the annual threat of power outages during hurricane season is a constant concern. A single storm can leave the Treasure Coast without power for days. This uncertainty is precisely why so many are now choosing to power their homes with solar panels paired with a battery backup, creating their own reliable, personal energy source.

From rates to ROI—continue in the savings calculator.

Open calculator

Benchmark Cost Analysis

2026 Solar & Battery Installation Costs in Stuart

Investing in energy independence has a clear price point, and federal incentives cut the cost dramatically.

  • Solar + Battery (Recommended): The combined system costs roughly $23,500 before any incentives. After claiming the 30% federal tax credit ($7,050), the final net cost to you is around $16,450. This package delivers both bill savings and crucial blackout protection.
  • Solar Only System: If upfront cost is the primary driver, a panel-only installation is about $11,500 gross, or $8,050 net after the federal credit. While more affordable, it lacks outage protection and its financial return is diminished by FPL's lower export rates.

Incentives & Tax Credits

Tax Credits and Exemptions for Stuart Homeowners

Florida offers some of the best solar incentives in the country, making the investment much more manageable.

  • 30% Federal Solar Tax Credit: This is a dollar-for-dollar credit against your federal taxes. It applies to the total cost of your system, including panels, inverters, and battery storage.
  • No Sales Tax: You will not pay Florida's 6% sales tax on any of your solar equipment, an immediate savings of over $1,400 on a combined system.
  • No Property Tax Increase: Your Martin County property assessment will not increase due to the value added by your solar installation.

Net Metering: Florida Power & Light (FPL)

Policy Status

Net Metering (HB 741 Modified 2024)

Battery Priority

Optional

Understanding FPL's Net Metering for New Solar Owners

As of 2026, FPL's compensation for excess solar energy has changed under Florida's HB 741 rules. Any solar power your system produces but doesn't immediately use is sent to the grid for a credit that is less than the retail rate you pay for electricity. A home battery solves this issue entirely. Instead of exporting that valuable energy for a low credit, you store it. Later in the evening, you draw from your own battery for free instead of buying expensive peak power from FPL.

Projected Savings

Expected Energy Bill Savings in Stuart

Stuart enjoys incredible sun exposure, allowing a moderately-sized 4 kW solar system to generate over 6,200 kWh per year. With current FPL rates, this leads to an estimated $863 in bill savings in the first year. By using a battery to maximize self-consumption, you ensure you capture the full value of that energy. As FPL rates rise, your savings will compound, shielding your budget from unpredictable utility costs for the next 25+ years.

Local Questions Answered

How long will a solar battery power my home during an outage?
A typical solar battery (like a 10 kWh Tesla Powerwall or similar) can run essential appliances—refrigerator, lights, internet, fans—for anywhere from 8 to 24 hours, depending on usage. Because the panels recharge the battery each day, you can potentially stay powered indefinitely through a multi-day outage.
Are solar panels durable enough for the Treasure Coast's weather?
Absolutely. Modern solar panels are built to withstand severe weather, including hail and hurricane-force winds, often exceeding 140 mph. They undergo rigorous testing to ensure they can handle the demanding Florida climate.
Why is the solar-only payback so much shorter?
A solar-only system has a much lower upfront cost ($8,050 net vs $16,450 net), so the time to break even is shorter. However, the payback for a battery system is more than just financial; it includes the priceless security of having power during grid failures, a critical feature for anyone in Stuart.

Calculate Your Solar Savings

Enter your details below for a personalized estimate

Initializing Solar Engine...

* Calculations based on Florida Power & Light (FPL) residential rates (0.138/kWh).

Data Transparency & Methodology

Estimates for Stuart, Florida are produced by the SunCents Solar Engine (v1.2). We combine the following verified or standard industry sources:

Performance (PV production)

NREL PVWatts — modeled annual and hourly AC output (kWh), solar radiation, and system losses for a standardized array size so cities can be compared fairly.

nrel.gov

Electricity rates (tariffs)

U.S. Energy Information Administration (EIA) — state-level average retail electricity prices ($/kWh) and supporting series for economic context.

eia.gov

Incentives & programs

DSIRE — state and local rebates, net metering, and policy programs (summarized for readability; always confirm eligibility with a tax or solar professional).

dsireusa.org

Federal tax credit (ITC)

Investment Tax Credit — federal residential solar credit (e.g. 30% of qualified costs where applicable); rules change with statute—verify with a qualified advisor.

energy.gov

Utilities & interconnection

Where shown, local utilities (e.g. APS, PG&E, FPL, and other IOUs or munis) are mapped from public interconnection, tariff, or service-territory references so net metering and rider rules match your area—not generic national averages.