Tampa Electric Solar and Net Metering Guide

Tampa Electric customers can interconnect qualifying customer-owned solar systems and use a bidirectional net meter. The utility currently states that excess electricity receives a credit based on the current retail energy rate.

That is favorable, but it does not mean every roof is a good investment or every post-solar bill becomes zero.

Quick answer: Tampa Electric is an investor-owned utility subject to Florida Public Service Commission Rule 25-6.065. Solar imports and exports are measured separately, and eligible excess energy can receive retail-energy net-metering treatment.

How Tampa Electric measures solar

After an approved system is interconnected, Tampa Electric installs or configures a bidirectional meter.

The bill identifies:

• kWh Delivered: electricity Tampa Electric delivered to the home or business
• kWh Received: excess solar electricity Tampa Electric received from the property

The meter does not record all solar production. Solar used instantly inside the property does not cross the meter. Total production comes from the solar monitoring system.

How net metering affects the bill

Tampa Electric explains that the net-energy calculation reflects kilowatt-hours delivered by the utility minus kilowatt-hours received from the solar array.

When received energy exceeds delivered energy for the billing period, the eligible difference can be banked for a later month under Florida’s investor-owned utility rule. At the annual reconciliation, remaining unused credits receive treatment under the applicable avoided-cost tariff.

The most valuable outcome is usually not a large year-end surplus. It is reducing the home’s annual utility purchases with a sensibly sized system.

Important Energy Planner limitation

Tampa Electric currently states that net metering does not support its Energy Planner program. A customer who installs a net meter must move to Tampa Electric’s standard residential rate.

This should be identified early in the consultation. A homeowner’s current program can affect both the baseline bill and the value of changing rates.

Any comparison against an Energy Planner bill needs to model the rate change that will occur.

Florida tier framework

Tampa Electric interconnections follow the state tier structure:

Current forms, insurance, disconnect, fee, and engineering requirements should be confirmed directly from Tampa Electric’s active documents.

What remains on a Tampa Electric bill?

Solar may reduce net energy usage, but the bill can still contain:

• Customer and fixed charges
• Taxes and assessments
• Net imported electricity
• Seasonal over-usage
• Charges not offset by solar credits
• Any solar loan, lease, or Solar as a Service payment billed separately

The homeowner should see a combined-cost comparison, not an artificial “utility bill goes to zero” presentation.

Is a battery required?

No. Tampa Electric’s retail-energy net-metering structure can provide meaningful bill value without a battery.

Storage is more commonly evaluated for:

• Outage protection
• Hurricane preparedness
• Refrigeration and food preservation
• Internet and communications
• Lighting and selected receptacles
• Medical or mobility equipment
• Limited or managed cooling
• Greater control over energy use

The economics can change if Tampa Electric introduces or changes time-varying rates, storage programs, or export rules.

Solar and outages

A standard grid-tied solar system normally shuts down when the utility grid is out. This anti-islanding behavior prevents electricity from backfeeding lines that crews may be repairing.

To operate during an outage, the property needs approved equipment that:

• Detects the outage
• Disconnects the property from the grid
• Establishes a stable local electrical source
• Manages available solar and battery power
• Reconnects safely when utility service returns

The phrase “solar with battery backup” should always be followed by an explanation of backed-up loads and expected limitations.

Roof and weather considerations in Tampa Bay

A Tampa-area solar review should consider:

• Roof age and remaining service life
• Shingle, tile, or metal attachment method
• Wind-load engineering
• Tree exposure
• Salt-air conditions near the coast
• Drainage and equipment placement
• Insurance requirements
• Whether the roof may need replacement during the agreement term

Solar equipment should not be used to distract from a roof that is already near the end of its useful life.

Residential example

Consider a homeowner who runs the pool pump in the afternoon and uses more air conditioning after returning home.

• The pool pump may use solar energy directly.
• Excess midday production may flow to Tampa Electric.
• Evening cooling causes imports from the grid.
• Monthly net metering can help offset eligible imports and exports.
• Fixed charges and any net usage remain.

Adding a battery could move some midday production into evening use, but under current retail net metering the primary reason may still be resilience rather than bill savings alone.

Commercial Tampa Electric considerations

For a business, the analysis should include:

• Energy and demand charges
• Operating hours
• Weekday versus weekend load
• HVAC and refrigeration peaks
• Roof ownership
• Tier requirements
• Service voltage and transformer capacity
• Storage for peak-demand reduction
• Current tax and depreciation rules
• Agreement term relative to property lease

A business that consumes most energy during daylight hours may self-consume a high percentage of solar production.

Frequently asked questions

Does Tampa Electric credit excess solar at retail value?

Tampa Electric currently states that excess electricity delivered to its grid receives a credit based on the current retail energy rate. Monthly banking and annual reconciliation are governed by the applicable tariff and Florida’s investor-owned utility rule.

Can I keep Energy Planner after installing net metering?

Tampa Electric currently says no. Net-metering customers must switch to the standard residential rate.

Does the Tampa Electric bill show total solar production?

No. The bidirectional meter shows delivered and received energy, not solar consumed directly by the property.

Will solar work when Tampa Electric is down?

Not unless the system includes approved equipment designed to operate in an isolated backup mode.

Is Sunstorm affiliated with Tampa Electric?

No. Sunstorm Energy is independent and is not affiliated with or endorsed by Tampa Electric.