Net-Zero Homes in Florida: Your 2026 Guide

If you have been researching net-zero homes in Florida, you have probably heard that the federal solar tax credit is gone. That is true. What the headlines miss, however, is that net-zero homes in Florida are actually a stronger value proposition in 2026 than they were before. Florida’s own incentives are fully intact, FPL rates are rising every year through 2029, and buyers at net-zero living at Green Key Village get solar built into the home — no credit needed, no paperwork, no guesswork.

This guide covers what changed at the federal level, what remains in Florida, and how the numbers stack up for anyone considering a net-zero home in 2026.

What Is a Net-Zero Home?

A net-zero home produces as much energy as it consumes over the course of a year. Solar panels generate electricity during daylight hours, excess power flows back to the grid, and the utility credits you at full retail rate. Over twelve months, your net energy bill lands at or near zero.

The clearest way to measure a home’s energy efficiency is the HERS Index. On that scale, 150 represents an older inefficient home, 100 represents a home that barely meets current building code, and 0 represents a true net-zero home. Each point on the scale equals a 1% reduction in energy use.

Net-zero homes in Florida are grid-tied, not off-grid. Your home stays connected to the utility, which gives you power at night and a credit mechanism for the surplus your panels produce during peak sun hours. Florida’s climate works in your favor here. The state averages more than 230 sunny days per year, so solar production is high — often high enough to offset the extra load from air conditioning.

What Happened to the Federal Solar Tax Credit?

The federal residential solar tax credit, known as Section 25D, allowed homeowners to deduct 30% of their solar installation cost from their federal income taxes. That credit expired on December 31, 2025.

The One Big Beautiful Bill, signed into law on July 4, 2025, triggered the expiration. The legislation repealed the Inflation Reduction Act’s clean energy credits roughly eight years ahead of schedule. There was no phase-down — the credit went straight to zero for any system installed on or after January 1, 2026.

However, one important exception remains. The commercial-tier Section 48E credit still applies to solar leases and power purchase agreements (PPAs). Third-party owned solar systems qualify for 48E through the end of 2027, provided construction begins by July 4, 2026, or the system is placed in service by December 31, 2027. For homeowners who did not purchase outright, that pathway remains open.

Additionally, any unused 25D credits from a pre-2026 installation can still be carried forward on your federal taxes. If you installed in 2025 but owed less than the credit that year, the remaining balance carries to future tax years.

Do Net-Zero Homes in Florida Still Make Financial Sense?

Yes — and the case is stronger than it looks at first glance. The federal credit mattered most to homeowners who paid for a solar retrofit out of pocket after purchase. For buyers of new net-zero homes in Florida where solar is standard equipment included in the purchase price, the math was never built around that credit.

Furthermore, the factors that actually drive long-term savings are all still in place. Florida’s state-level solar incentives are intact. Solar panel costs have dropped significantly over the past decade. FPL rates are rising every year through 2029. Net metering still credits excess production at full retail. And solar home value appreciation continues to outpace comparable non-solar homes.

In other words, the expiration of one federal incentive does not change the underlying economics for Florida net-zero homeowners. It raises the payback calculation for a standalone retrofit — from roughly 6 to 8 years with the credit, to 8 to 12 years without it. For buyers who receive solar as part of a new home purchase, that distinction is largely irrelevant.

What Solar Incentives Are Still Available in Florida?

Florida’s solar incentive stack is more durable than the federal credit ever was, because it is grounded in state law rather than federal legislation. Here is what remains fully available in 2026.

Incentive	What It Does	Expiration
Property Tax Exemption	100% exemption on the added home value from solar and battery storage — no property tax increase from your system	December 2037
Sales Tax Exemption	All solar equipment is exempt from Florida’s 6% sales tax — saves $1,400–$2,300 on a typical installation	No stated end date
Net Metering (Full Retail)	FPL, Duke Energy, and TECO credit excess solar production at the full retail rate per kWh	Current policy in effect
Section 48E (Lease/PPA)	Commercial credit available for third-party owned solar through end of 2027	December 31, 2027

The Florida solar incentive package remains one of the strongest in the country. The property tax exemption alone is worth thousands of dollars over time, since solar typically adds 6.9% or more to a home’s assessed value.

How Much Do Net-Zero Homeowners Save in Florida?

The savings story for net-zero homes in Florida comes down to one simple comparison: what you pay versus what your neighbors pay.

Florida’s FPL rate trajectory runs through 2029. A typical 1,000 kWh customer paid $134.14 per month before January 2026. That bill rose to $136.64 in January 2026, and the rate settlement locks in further increases through December 2029, when the same customer’s bill is projected to reach $148.15 per month.

Meanwhile, net-zero homeowners in Florida pay effectively $0 on that same electricity. Florida averages 15.54 cents per kWh, producing a typical monthly bill of around $166 for non-solar homes. Across a full year, net-zero homes in Florida can save $1,600 to $1,800 compared to a conventionally powered home. Over 25 years, that compounds to more than $52,000 in savings — before accounting for future rate increases that will almost certainly continue beyond 2029.

The Department of Energy has calculated that home value increases by roughly $20 for every $1 of annual utility savings. Therefore, $1,700 per year in electricity savings adds approximately $34,000 to your home’s appraised value — separate from the solar premium already reflected in market comparables.

Do Net-Zero Homes Cost More?

This is the “green premium” question, and it deserves a direct answer. Yes, a net-zero home costs more upfront than a comparable home with no solar. However, the resale data shows you get that premium back — and then some.

According to SolarReviews’ 2025 analysis of Zillow data, homes with solar sell for 6.9% more than comparable non-solar homes. On a $400,000 home, that is approximately $27,600 in added resale value. Lawrence Berkeley National Laboratory research analyzing nearly 22,000 home sales confirms that buyers consistently pay a premium of roughly $4 per watt for homes with owned solar systems — translating to approximately $15,000 on a typical installation.

For buyers of new net-zero homes in Florida where solar is part of the base package, there is no separate retrofit cost to recover. The solar is financed as part of the home, at mortgage rates rather than consumer loan rates. Therefore, you are not paying a “green premium” in the traditional sense — you are buying a fully equipped home whose resale profile outperforms the non-solar alternative.

Consider also the ongoing decline in Florida solar installation costs. Panel prices have dropped more than 80% over the past decade. The cost per watt of solar is lower today than at any point in history, which means the value embedded in your net-zero home was acquired at favorable pricing.

What Is a HERS Score?

The Home Energy Rating System (HERS) score gives buyers and appraisers a standardized way to compare energy performance across homes. A lower score is better.

Specifically, here is how to read it: a score of 150 describes a leaky, inefficient older home. At 100, the home just clears current building code — it performs no better than required by law. Drop to 70, and the home is 30% more efficient than code. Reach 0, and the home is net-zero — it produces as much energy as it uses over a full year.

HERS scores are important because they are now used by appraisers, lenders, and buyers when evaluating energy-efficient homes. A certified HERS rating provides third-party verification that the home’s energy systems perform as claimed. For net-zero homes in Florida, the HERS score is the document that backs up the $0 electric bill promise.

Moreover, some mortgage programs — including certain FHA and VA products — recognize HERS scores in their underwriting. A low HERS score can affect the size of mortgage you qualify for, since the lender can factor in reduced utility costs when calculating your ability to carry the payment.

How Does Net Metering Work in Florida?

Net metering is the billing mechanism that makes the $0 electric bill possible for net-zero homes in Florida. Here is how it works in practice.

Your solar panels produce electricity during daylight hours. Your home uses what it needs in real time. Any surplus flows back to the grid, and FPL credits your account at the full retail rate — the same rate per kWh you would have paid to buy that electricity. On days your panels produce more than you consume, your bill balance goes negative. On nights and cloudy days when you draw from the grid, the balance offsets those charges.

Credits roll forward month to month throughout the year. At your annual true-up date, FPL issues a check for any remaining surplus, though at a lower avoided-cost rate rather than retail. Therefore, the practical goal for net-zero homeowners is to right-size the solar system to match annual consumption closely — not to build up large year-end surpluses.

FPL applies a 115% sizing cap: your system cannot be sized to produce more than 115% of your prior 12-month energy use. This is worth knowing before you understand how solar panels save money in your specific situation, since oversizing beyond that threshold reduces the financial return on the excess panels.

Duke Energy Florida and Tampa Electric (TECO) operate similar full-retail net metering programs. Net metering remains protected at full retail rates under current Florida law, making it one of the most favorable net metering frameworks in the country.

Why Net-Zero Communities Have an Edge in 2026

The expiration of the federal tax credit has actually widened the gap between net-zero communities and DIY solar retrofits. Here is why that matters for buyers.

When a homeowner adds solar to an existing home in 2026, they face several disadvantages. They pay retail installation costs rather than builder-scale pricing. The system is designed to fit an existing roof and electrical configuration rather than optimized from the ground up. Without the 30% federal credit, the payback period stretches to 8 to 12 years before the system breaks even. And the paperwork — permits, utility interconnection, HOA approvals — falls entirely on the homeowner.

At a net-zero community like Green Key Village, none of that applies. Solar is standard on every home. The system is designed and sized as part of the home’s original construction, integrated with the roof pitch, orientation, and electrical load from day one. Builder-scale procurement means better pricing per watt than any individual homeowner can access on their own. The builder handles utility interconnection before you move in.

The Compounding Value of Net-Zero in a Rising-Rate Environment

Furthermore, the benefits of going solar are compounding faster in 2026 than in prior years, precisely because utility rates are rising. Every year the FPL baseline rate increases, the value of your solar production increases by the same increment. Net-zero homeowners capture that value automatically — their $0 bill stays at $0 while neighbors watch their bills climb toward $148 per month and beyond.

For buyers considering quick move-in homes specifically, the advantage is even more immediate. Move into a net-zero home this month, and your electricity savings start this month — no waiting for a retrofit to be permitted, installed, and inspected.

Green Key Village is a 55+ net-zero solar community in Lady Lake, Florida. Every home comes solar-equipped, grid-tied, and HERS-rated. If you are researching living in Lady Lake and want to understand what day-to-day ownership actually looks like — the bills, the community, the lifestyle — the best next step is to see it in person.

Explore our available move-in ready homes or schedule a private tour to walk through a net-zero home and ask questions directly. You can also read more about net-zero living at Green Key Village before your visit.