Home batteries on Tampa Electric

Can I add a home battery on TECO?

Yes. Adding storage means an updated interconnection application with Tampa Electric, plus backup switching hardware alongside the battery itself. Because net metering already shifts your midday production to the evening, a battery here generally buys resilience during outages rather than a lower bill.

Utility type
Investor-owned
Florida PSC Rule 25-6.065
Applies
Florida Public Service Commission
Cities we cover
1

Last verified August 16, 2026

How net metering works here

Tampa Electric is an investor-owned utility and its net-metering programme is governed by Florida PSC Rule 25-6.065, including the tier structure and the requirement that a system is not expected to produce more than 115% of the home’s annual consumption.

What adding storage changes

  • You will need an updated interconnection application, because you are changing what is connected to the grid.
  • Backup switching is a separate piece of equipment from the battery itself. Storing energy is not the same as being able to use it in an outage.
  • The battery changes what you export rather than how exports are credited. Where net metering already offsets evening consumption, storage generally buys resilience rather than bill savings.
  • Your existing inverter matters. An AC-coupled battery sits alongside it; a DC-coupled one usually means replacing or reworking it.

Areas we cover for this utility

We have confirmed TECO as the predominant residential utility for the following cities. Service territory does not follow city limits, so confirm against your own bill.

  • Tampa — Hillsborough County

Common questions

Does TECO pay me for excess solar?

Not month to month. Exports accrue as kilowatt-hour credits that offset later consumption. Any credit left at the annual settlement is bought out at an avoided-cost rate, which is well below retail — which is why oversizing a system is poor economics.

How large a system can I install on TECO?

Under Florida PSC Rule 25-6.065 the system must not be expected to produce more than 115% of your annual consumption, and generating capacity is also limited relative to your service capacity. Systems of 10 kW or less use the simplest interconnection tier.

Is my address definitely served by TECO?

Check your bill. Florida service territories do not follow city limits, and an address near a boundary can be served by a different utility — which changes both the net-metering terms and the interconnection process.

Sources

What each source supports on this page, and when we last verified it. Every source we use, with its freshness policy, is listed in the source register.

  1. Florida Administrative Code Rule 25-6.065, Interconnection and Metering of Customer-Owned Renewable Generation

    Florida Public Service Commission

    Net-metering eligibility, interconnection tiers and system-sizing limits for customers of Florida investor-owned utilities.

    Verified August 16, 2026

  2. Powerwall 3 Datasheet

    Tesla

    Powerwall 3 energy capacity, continuous output, and warranty term.

    Verified August 16, 2026

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