SunCents Logo SunCents

Is Solar Worth It in Casselberry, FL? 2026 Savings & Payback

Find out if solar panels make financial sense in Casselberry for 2026. See your potential annual savings of $1,975 and payback period with Duke Energy.

Market Snapshot

Elec. Rate
$0.137/kWh
Sun Hours
5.6
Utility Duke Energy Florida
Tax Exempt No
Battery Optional
Data updated May 09, 2026

Analyst Note: Bill-based model (~12.2 kW)

Cost and savings sections below are sized to a typical system for this city’s average utility bill (~12.2 kW modeled). Typical monthly bill here: $194.62.

At this bill level, modeled system sizes are often in the mid-to-high single-digit kW range. Use the calculator below to match your actual usage.

Is Rooftop Solar Still a Smart Choice in Casselberry for 2026?

With the federal solar tax credit no longer available for new residential systems, many homeowners in Casselberry are asking if solar panels still make financial sense. The answer is yes, but the reasons why have shifted. The value now comes from significant annual bill savings, protection against future rate increases from Duke Energy, and strong Florida-specific incentives that are still in place. It's a long-term strategy for energy cost control rather than a short-term tax play.

From rates to ROI—continue in the savings calculator.

Open calculator

Benchmark Cost Analysis

What's the Cost of a Solar Installation in Casselberry?

The investment for a solar energy system is paid upfront, locking in your energy costs for years to come. For a typical Casselberry home, a 12.2 kW solar system has an estimated gross cost of $27,450. This system is sized to cover the majority of an average household's electricity needs.

  • Solar-Only System Cost: $27,450
  • Solar + 10 kWh Battery Cost: $42,450

While a battery adds to the cost, it offers invaluable backup power during outages, a frequent concern during Central Florida's storm season. For pure financial return, the solar-only option provides the quicker payback.

Incentives & Tax Credits

Key Florida Benefits That Make Solar Work

While the 30% federal credit has expired, Casselberry homeowners can still leverage powerful state incentives that reduce the long-term financial burden of a solar installation:

  • No Sales Tax on Solar Equipment: Florida provides a 100% sales tax exemption on all solar panels and related equipment, which directly reduces your initial purchase price.
  • No Property Tax Increase: Thanks to Florida's property tax abatement for renewable energy, installing solar panels will not increase your property's assessed value for tax purposes. This means you can potentially increase your home's market appeal without a corresponding tax hike.

These two policies are the cornerstones of solar economics in Florida for 2026, ensuring the investment remains attractive.

Net Metering: Duke Energy Florida

Policy Status

Retail Net Metering

Battery Priority

Optional

How Duke Energy's Net Metering Maximizes Your Savings

Solar savings in Casselberry are directly tied to Duke Energy Florida's net metering program. This policy ensures you get full value for every bit of solar energy you produce. When your panels generate more power than you're using, that excess electricity flows to the grid. Duke Energy credits your bill at the full retail rate (currently $0.137/kWh) for that power. This allows your sunny midday production to offset the power you use from the grid in the evening, dramatically lowering your monthly bill.

Projected Savings

Projected Solar Savings in Casselberry

A 12.2 kW solar system is projected to save a Casselberry homeowner approximately $1,975 in the first year alone. Based on a system cost of $27,450 and current Duke Energy rates, the estimated payback period is 11.5 years.

The real power of this investment unfolds over time. If utility rates continue to climb, your savings will grow each year, accelerating your return. By generating your own electricity, you effectively lock in a low energy rate for the 25-plus year lifespan of your panels. Furthermore, an owned solar system is a significant home improvement that can be a major draw for future buyers.

Local Questions Answered

How big of a solar system do I need for my home in Casselberry?
The ideal system size depends on your annual electricity consumption. The 12.2 kW system is a benchmark for a home with an average bill around $195/month. A proper analysis of your past Duke Energy bills will determine the exact size needed to meet your goals.
Is a battery necessary in Casselberry with net metering?
For saving money, no. Duke Energy's net metering provides excellent financial returns without a battery. However, if you want to keep your power on during grid outages caused by storms or other issues, a battery is the only way to achieve true energy resilience.
How is the 11.5-year payback period calculated?
The payback period is calculated by dividing the total system cost ($27,450) by the estimated annual savings ($1,975). This calculation does not factor in potential increases in utility rates, which could shorten the payback time.

Calculate Your Solar Savings

Enter your details below for a personalized estimate

Initializing Solar Engine...

* Calculations based on Duke Energy Florida residential rates (0.137/kWh).

Data Transparency & Methodology

Estimates for Casselberry, 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 incentives

SunCents calculator net cost does not include a federal residential tax credit. Incentive rules change—check DSIRE, IRS/DOE guidance, and a tax professional before relying on any credit.

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.