Florida Home Battery Payback Calculator (2026)
Priced on Florida Power & Light RS-1 (flat; opt-in RTR-1 TOU rider) rates and full-retail export rules. No federal tax credit is assumed — Section 25D ended 2025-12-31.
Why Florida is different
Florida breaks the usual rule that batteries need a peak rate to pay. Under FL PSC Rule 25-6.065, FPL (like Duke Florida and TECO) must credit new solar exports at full retail with monthly rollover — the grid is a free battery. FPL's residential rate is flat at about 13.7 cents all-in, so there is no spread to arbitrage either. The battery case in Florida is insurance: hurricane season routinely knocks out power for days to weeks (Irma, Michael, Ian), and a battery that keeps refrigeration, medical equipment and a circuit or two alive is worth far more than any bill saving. There is no state battery rebate, and reports suggest new net-metering terms may step down from 2027 — verify before assuming full retail.
Rate structure
| Rate | Value | Notes |
|---|---|---|
| Peak rate (discharge window) | $0.14/kWh · flat rate — same price every hour (RTR-1 TOU rider is opt-in) | |
| Off-peak rate (charging) | $0.14/kWh | |
| Export credit | $0.14/kWh · Full retail net metering (FL PSC Rule 25-6.065) | |
| Average residential retail | $0.137/kWh · FPL official typical-bill basis (1,000 kWh at $136.64 ≈ 13.66¢, 2026-01); the EIA statewide average of 14.86¢ (2026-07) is shown for comparison; the FPL EIA-861 annual average is 13.71¢ |
Verification status: Sourced. FPL RS-1 official rate sheet (effective 2026-09): base charge $10.52/month + energy 7.865¢ + fuel 2.893¢ + riders (conservation 0.148 / capacity 0.052 / environmental 0.345 / storm 0.995 / transition −0.040), totalling about 12.26¢ for ≤1,000 kWh plus the base charge ≈ 13.7¢ all-in
Export mechanism: full-retail export
In Florida, Full retail net metering (FL PSC Rule 25-6.065) — storing solar instead of exporting it does not reduce your bill. Custom rates that credit exports below retail flip this mechanism; turn on 'use my own electricity prices' in the calculator to model that plan.
Incentives and VPP
| Program | Status | What it means for a battery |
|---|---|---|
| None (state) | None | Florida has no state income tax and no state battery rebate; solar equipment is sales-tax exempt and solar additions are property-tax exempt (whether batteries qualify needs a DSIRE check). Default $0. |
| Virtual power plant (VPP) | verify | FPL has no large residential VPP, and aggregation projects are scattered — verify with your provider |
Outage context
Hurricane-season outages are the primary driver of battery value in Florida — batteries here are insurance, not bill arbitrage
Typical payback in Florida
Precomputed with the same model as the calculator, at the Florida rates above and the reference installed cost of $12,500 (13.5 kWh usable, pre-incentive). Your numbers move with your bill, your quote and your rate plan.
| Scenario | Year-1 savings | Simple payback | 10-year net |
|---|---|---|---|
| Have solar · $200/mo bill · 13.5 kWh · $12,500 installed | $0 | — | −$12,500 |
| Have solar · larger bill · $600/mo bill · 13.5 kWh · $12,500 installed | $0 | — | −$12,500 |
| Battery only · $200/mo bill · 13.5 kWh · $12,500 installed | $0 | — | −$12,500 |
Estimates only — not financial, tax, or installation advice. Backup value and program payments are shown separately and never folded into the payback ratio.
State data pack
| Field | Value |
|---|---|
| Default utility | Florida Power & Light |
| Rate plan modelled | RS-1 (flat; opt-in RTR-1 TOU rider) |
| Average residential retail | $0.137/kWh |
| Verification status | Sourced |
| Data as of | 2026-10-18 |
| Official sources | FPL Residential Rates and Clauses (official PDF, effective Sept 2026) (2026-10-18) · Florida net metering rule 25-6.065 / Statute 366.91 (full retail for IOUs) (2026-10-18) · FPL net metering & December avoided-cost true-up detail (2026-10-18) · EIA Electric Power Monthly Table 5.6.A (FL residential average) (2026-10-18) · Database of State Incentives for Renewables & Efficiency (Florida) (2026-10-18) |
Frequently asked questions
How much can a battery actually save on my Florida bill?
On bill savings alone, the model's honest answer for a default Florida flat-rate plan is about $0: exports are credited at or near retail, so storing solar does not reduce your bill. The value case rests on backup power and VPP payments, which the results screen shows separately and never folds into the payback ratio.
Does Florida pay for home batteries?
Florida has no state income tax and no state battery rebate; solar equipment is sales-tax exempt and solar additions are property-tax exempt (whether batteries qualify needs a DSIRE check). Default $0. Program terms change mid-cycle — verify on the program's own page before counting on any rebate.
Is a battery worth it in Florida without the federal tax credit?
Section 25D ended 2025-12-31, so every result on this site assumes no federal credit. That makes the break-even installed price the most useful number on the results screen: it is the price at which the ten-year arithmetic stops working at your assumptions. Compare every quote against it, and read the outage context above — backup is real value, just not a cash flow.
Keep reading
| All state guides — ten states, ten different answers | Directory |
| Data & method — every constant with its source and verification date | Data |
| Full guide — how to read a payback number and the mistakes that inflate it | Article |
| How the model works — included, excluded, and a worked example | Method |
This page is educational. It is not financial, tax, or installation advice. Data as of 2026-10-18.