South Carolina
Solar for farms in South Carolina
Where farm loads match solar, what your co-op allows, and which credits apply to a farm business.
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South Carolina agriculture in figures
| Measure (2022) | South Carolina |
|---|---|
| Farms | 22,633 |
| Land in farms | 4,553,922 acres |
| Average farm size | 201 acres |
| Market value of products sold | $4,427,204,000 |
| Poultry and eggs | $2,505,810,000 (about 57% of sales) |
| Crops | $1,614,663,000 |
| Cropland / pastureland | 1,950,175 / 549,036 acres |
| Largest crops by acres | Soybeans 407,466, corn for grain 339,299, cotton 276,895 |
USDA NASS, 2022 Census of Agriculture, State Profile: South Carolina, retrieved 5 October 2026.
South Carolina farm electricity uses that fit solar
Poultry houses
Ventilation fans and lighting run through the day, which lines up with solar output. Winter heating may be gas or propane rather than electric, so check what is electric on your meters before sizing.
Irrigation
Pumps on soybeans, corn and vegetables run hard in summer and sit idle in winter. Solar sized to a seasonal pump exports much of the year, and South Carolina export credits are below retail.
Barns, shops and grain handling
Grain dryers, shop tools and cooling run in bursts. Separate meters can mean several small systems rather than one.
Livestock and dairy
Cattle, milk and hog operations are a smaller share of SC sales; water pumping and milk cooling are steady daytime loads where they apply.
Ground-mount or rooftop solar on a South Carolina farm
Ground mount
Uses open land, faces due south, and is easy to clean and service.
Takes land out of production or grazing, needs trenching to the meter, and is engineered to local wind loads. Ground or roof mount.
Rooftop
Poultry houses and machine sheds have large roofs near the load.
Older metal or light-gauge structures may need an engineer’s review first; dust and ammonia near poultry houses call for cleaning plans and suitable equipment.
South Carolina utility rules for farm solar
| Utility | Farm-relevant terms we verified |
|---|---|
| Berkeley Electric Cooperative | Small commercial up to 100 kW AC, residential 20 kW AC; exports 6.03¢/kWh; not available on time-of-day or demand rates; $150 application, $50 inspection |
| Palmetto Electric Cooperative | Non-residential up to 100 kW, $250 application fee; 4.662¢/kWh for 2026–27 |
| Santee Cooper | DG-25: 4.15¢/kWh, limit is the lesser of 20 kW or the estimated maximum monthly demand (residential program terms) |
| Dominion Energy South Carolina and Duke | Residential riders cap at 20 kW AC; commercial and agricultural terms not verified |
| Other co-ops | Each publishes its own rider; not verified |
Sizing solar for a South Carolina farm
Farm solar in South Carolina is sized meter by meter, against twelve months of use and the rider’s cap.
Because co-op and Santee Cooper export credits sit well below retail, a system that covers the year-round daytime load (fans, lights, cooling) usually earns more per panel than one sized to the summer irrigation peak.
If a farm meter is on a demand rate, check whether the co-op’s solar rider is available on it at all: Berkeley Electric’s is not.
A battery helps where an outage threatens livestock, because poultry houses depend on powered ventilation. South Carolina customers averaged the most outage minutes of any state in 2024, storms included (EIA-861). Where a farm already runs a standby generator, storage adds to it rather than replacing it. Battery storage in South Carolina.
South Carolina farm solar incentives and programs
South Carolina’s 25% solar credit applies to a farm business that owns its system, since the statute is not limited to homes.
The cap of $3,500 per facility per year, with a 10-year carryforward, limits its value on a large array.
Larger agricultural projects can look at the Clean Energy Credit on Form TC-54 ($500,000 a year limit).
Federal §48E covers business-owned solar, but it ends for solar placed in service after 2027 where construction begins after 4 July 2026.
USDA’s Rural Energy for America Program has funded farm renewable systems; we could not read its current terms at rd.usda.gov on 5 October 2026, so contact the USDA Rural Development South Carolina state office for eligibility and deadlines. Business credits in detail.
Land, leases and solar developers on South Carolina farms
South Carolina farmland owners also receive offers to lease land for utility-scale solar, which is a different transaction from on-farm solar: the developer sells power to a utility, not to you.
On-farm systems that serve your own meters must follow your utility’s rider, and a third party may not sell you power from a system on your property. Have an attorney read any land lease, including decommissioning and removal terms.
Questions for a South Carolina farm solar proposal
Each meter has its own rate and cap.
Berkeley Electric’s is not available on demand or time-of-day rates.
Shown month by month, given seasonal irrigation.
An engineer’s review for older barns and poultry houses.
State credit cap per facility; §48E construction dates.
Third-party power sales to you are not permitted in South Carolina.
Questions
Can South Carolina farms claim the state solar tax credit?
Is solar good for poultry farms in South Carolina?
How big can a farm solar system be on a South Carolina co-op?
Is USDA REAP available for South Carolina farm solar?
Should a farm solar system cover irrigation?
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