Commercial Solar in Florida: What Business and Property Owners Should Evaluate

Commercial solar is not simply a larger residential system.

A sound business case requires an understanding of how the facility uses electricity, how the utility bills energy and demand, who owns the property, how long the business will remain, and who receives the financial and tax benefits.

Quick answer: Florida businesses with strong daytime usage can be excellent solar candidates. The best projects match production to the facility’s load, account for demand charges, use the correct utility export tariff, and fit the property and ownership timeline.

Start with the electric rate, not the roof

The roof matters, but the utility bill determines the financial starting point.

Collect:

• At least 12 months of bills
• Interval data when available
• Rate schedule
• Kilowatt-hour charges
• Demand charges
• Power-factor charges, if any
• Time-of-use periods
• Ratchet or minimum-demand provisions
• Taxes and riders
• Current utility and interconnection tariff

A proposal based only on the average monthly bill is not sufficient.

Kilowatt-hours versus demand

Energy charge

Kilowatt-hours measure how much electricity the business uses over time.

Solar can reduce kilowatt-hour purchases when it produces during facility operation.

Demand charge

Demand is commonly based on the highest short interval of power use during the billing period.

A solar array may reduce demand when production overlaps the facility’s peak, but it may not reduce a peak that occurs:

• Early in the morning
• In the evening
• During a cloudy interval
• When multiple large loads start together
• On a non-production day
• Under a tariff with a demand ratchet

Battery storage and load controls can sometimes reduce these peaks more reliably.

Businesses with strong solar load alignment

Common examples include:

• Offices
• Retail stores
• Warehouses with daytime operations
• Manufacturing
• Cold storage and refrigeration
• Medical offices
• Schools and houses of worship with weekday loads
• Car dealerships
• Multifamily common areas
• Water-treatment and pumping facilities
• Agricultural operations
• EV-charging sites

Every facility still needs interval analysis.

Investor-owned utilities

FPL, Duke Energy Florida, Tampa Electric, and Florida Public Utilities follow Florida Public Service Commission Rule 25-6.065 for qualifying customer-owned renewable generation up to 2 MW.

The rule uses:

• Tier 1: 10 kW or less
• Tier 2: above 10 kW through 100 kW
• Tier 3: above 100 kW through 2 MW

Many commercial systems are Tier 2 or Tier 3 and may require:

• Application fees
• Liability insurance
• Manual disconnects
• Engineering review
• Interconnection studies
• Three-phase service
• Transformer or distribution upgrades
• Additional metering

The utility should be involved early in design.

Municipal and cooperative utilities

OUC, KUA, SECO, JEA, Lakeland Electric, LCEC, and other municipal or cooperative utilities publish their own export-credit structures.

A commercial site with high daytime self-consumption may still work well under a lower export rate. A site closed on weekends may export a larger share of production and needs a more cautious model.

Never apply FPL’s net-metering assumptions to another utility.

Roof, land, and property control

Review:

• Roof age
• Roof warranty
• Structural capacity
• Drainage
• Fire access
• Equipment locations
• Future reroof schedule
• Property lease term
• Landlord approval
• Easements
• Ground-mount land use
• Carport feasibility
• Insurance
• Wind-load design

The solar agreement should not outlast the business’s practical control of the site without a clear transfer or removal plan.

Commercial battery storage

Storage may support:

• Demand-charge reduction
• Peak shifting
• Backup of critical operations
• Power-quality support
• Solar self-consumption
• EV-charging management
• Participation in a utility program

Critical-load backup should be engineered around the facility’s actual operations. A battery sized for demand management is not automatically sized for a prolonged outage.

Backup-power questions

• Which operations must continue?
• For how long?
• Is three-phase power required?
• What motor-starting loads exist?
• Is refrigeration critical?
• Is a generator already installed?
• Can solar recharge during an outage?
• Is island operation permitted and supported?
• What happens if communications are unavailable?
• What is the cost of one hour of downtime?

Ownership and contract structures

Commercial options can include:

• Cash purchase
• Conventional financing
• Equipment lease
• Solar service agreement
• Power-purchase or energy-service structure where legally and contractually available
• Property-assessed financing where appropriate
• Landlord-tenant cost-sharing

No one structure is universally best. Compare:

• Upfront cost
• Monthly cash flow
• Ownership
• maintenance responsibility
• tax ownership
• transfer and early termination
• escalation
• buyout
• insurance
• performance guarantees
• end-of-term treatment

Federal tax and depreciation caution

Current federal rules for businesses differ from residential rules.

The Clean Electricity Investment Credit may be available for qualifying facilities and storage placed in service after December 31, 2024. The base credit, potential increase, labor requirements, domestic-content rules, energy-community bonuses, transferability, and direct-pay eligibility are complex.

Qualified clean-energy property may also be eligible for accelerated depreciation.

Sunstorm Energy does not provide tax advice. A business should involve its CPA and tax counsel before relying on incentives in the investment decision.

Residential and commercial tax rules are different

As of 2026, the residential Section 25D credit is not available for residential property placed in service after December 31, 2025. Commercial incentives follow different code sections and ownership rules.

Do not use a generic “30% tax credit” statement across residential and commercial pages.

Commercial evaluation process

1. Confirm utility and rate schedule.
2. Collect bills and interval data.
3. Identify energy and demand costs.
4. Review property control and roof condition.
5. Estimate production.
6. Model onsite use and exports.
7. Model demand reduction.
8. Evaluate battery and no-battery scenarios.
9. Confirm interconnection tier and upgrade risk.
10. Compare ownership and service structures.
11. Obtain tax and accounting review.
12. Present downside and sensitivity cases.
13. Define ongoing monitoring and service.

Frequently asked questions

Does commercial solar eliminate demand charges?

Not necessarily. Solar must overlap the facility’s measured demand peak. Storage or controls may be needed for reliable peak reduction.

Can a tenant install commercial solar?

Possibly, but the project requires property-owner approval, sufficient lease term, transfer planning, and a clear allocation of costs and benefits.

Is battery storage only for outages?

No. Commercial storage may also reduce demand charges, shift energy, and manage EV charging.

Do all Florida businesses receive retail net metering?

No. Treatment depends on the utility and rate schedule.

Can Sunstorm tell my business what tax credit it will receive?

Sunstorm can provide project information, but the business’s tax advisor must determine eligibility and value.