SC solar company · Daniel Island office

Solar panel installation in Graniteville, SC

Comparing solar companies in Graniteville? We handle solar panel installation in Graniteville from your first Aiken Electric Cooperative bill review to switch-on. Graniteville is a National Historic Landmark district, and its mill cottages were not built with a solar array in mind. That is a design problem worth solving properly rather than ignoring.

  • $18,454 typical cost after the 25% SC credit (9.5 kW)
  • Lifetime full-system and roof-penetration warranty
  • Our own crews, owner-run, callbacks within the hour

Written by , Owner & CEO Reviewed by Drew Taylor, Owner & Sales Director Updated October 2026

Free roof and bill assessment

Takes under a minute. No pressure, and no guaranteed-savings math.

We use your address to look at your roof before we call.

FreeNo obligationLocal Daniel Island team

By sending this you agree to be contacted by call, text or email about your request. Consent isn’t a condition of purchase. Privacy Policy · Terms

Need the detailed version? Use the full assessment form.

Single-story home with a full black-on-black rooftop solar array beside a pool, a Sunburst solar panel installation
A Sunburst install: full black-on-black, poolside single-story home. Our crew, not a stock photo.
  • 30+ yrscombined team experience
  • ~450combined experienced installs
  • Lifetimefull-system + roof-penetration warranty
  • StatewideSC-based crews, callbacks within the hour
  • Daniel Island, SC Our office: 500 Seven Farms Drive, #301, Daniel Island, SC 29492

Solar in Graniteville · as of October 2026

Key takeaways

  • A typical 9.5 kW system here costs about $24,605 installed, or $18,454 after South Carolina’s 25% credit.
  • The federal homeowner credit ended on December 31, 2025. The 25% SC credit did not.
  • Aiken Electric Cooperative sets its own export credit, which sits outside South Carolina's net metering chapter, so we confirm the current figure per account before modelling anything.
  • Permits, historic-district review, HOAs and structural review shape the design. We handle the paperwork for all of it.

Bill-to-size

What size system does your Graniteville bill need?

Enter up to three recent bills. We average them, convert to kilowatt-hours at your own rate, and show the size band that covers your usage. Nothing is sent anywhere until you choose to send it.

Your monthly power bills

Three months is more accurate than one, because a single summer bill oversizes the system.

We have left this blank on purpose. Dominion Energy South Carolina serves some addresses in the Horse Creek Valley, so we cannot tell from your town alone which rate is yours. Read the cents-per-kWh line off your bill.

Covering every kilowatt-hour rarely pays here, because exported power earns less than you pay for it.

Your size band will appear here.

Add one bill and your rate to start.

An estimate for planning, not a quote. Real sizing depends on the roof planes, shade and the panel we can actually get, and we confirm it on site. The price band uses $2.59 per watt, a statewide figure. Tax treatment depends on your own liability. We are not tax advisers.

Solar in Graniteville

Solar companies in Graniteville: what is different here

Graniteville was built from 1845 as William Gregg’s textile village, and the Graniteville Historic District has been a National Historic Landmark district since 1978. The Vaucluse Mill Village Historic District three miles north joined the National Register in 1996. The practical consequence is a housing stock of small, uniform nineteenth-century worker cottages with steep, modest roof planes, sitting on tight lots under mature trees. Most addresses here are served by Aiken Electric Cooperative, which is not an electrical utility under South Carolina’s net energy metering chapter and therefore sets its own export credit rather than crediting at retail.

Graniteville is unincorporated, so permitting runs through Aiken County Planning & Development rather than a city. On an original mill cottage we check roof structure and roof age before anything else, because a small steep plane on nineteenth-century framing is a genuine engineering question. Historic designation does not bar solar, but it does mean a layout that assumes the most visible plane is available may not survive review.

Homes in Graniteville

What Graniteville's homes mean for solar

  • 590owner-occupied homes (68% of 866)
  • 1966median year homes were built
  • 61%of homes are single-family detached
  • $104kmedian owner-occupied home value
  • Half of Graniteville homes are more than 60 years old, so the roof check matters here: a roof with under ten years left should be replaced before solar goes on, or at the same time.
  • Only 61% of homes are single-family detached. In townhomes and condos the association or shared roof decides first, so we check governing documents before anything else.
  • 590 Graniteville households own their home, the ones who can install and claim the state credit.

Source: US Census Bureau, American Community Survey 2023 5-year estimates for Graniteville CDP. Estimates, rounded.

Honest numbers

Solar panel cost in Graniteville, and what you can claim

$2.59 per watt South Carolina benchmark, July 2026. Worked examples, not a quote.

Illustrative installed cost in Graniteville. The SC credit is capped at $3,500 per tax year, so larger systems claim it across more than one return.
System sizeBefore incentives SC 25% credit Net after credit
6 kW $15,540 $3,885 over 2 tax years $11,655
9.5 kWClosest to our ~9.5 kW average system $24,605 $6,151 over 2 tax years $18,454
12 kW $31,080 $7,770 over 3 tax years $23,310
  • EndedFederal 30% homeowner creditEnded December 31, 2025 (IRS).
  • AvailableSC 25% state credit (TC-38)$6,151 over 2 tax years on a 9.5 kW system here.
  • AvailableProperty taxQualifying residential systems of 20 kW or less are exempt from South Carolina property tax.
  • NoneAiken Electric Cooperative cash rebateNone from Aiken Electric Cooperative.

Buying or leasing: what changes in 2026

You own it (cash or loan)Lease or PPA
SC 25% state creditYou claim itYou cannot claim it
Upfront costCash, or a loan from $0 downUsually none
When you sell the houseThe system is part of the homeThe buyer must take over the agreement
Price over timeFixed once paid offCheck for a yearly escalator

Aiken Electric Cooperative sets its own export credit, which sits outside South Carolina's net metering chapter, so we confirm the current figure per account before modelling anything. Solar panel cost in Graniteville: the full breakdown · Graniteville solar incentives · Financing options

Your utility decides payback

Two utilities serve Graniteville. They do not pay the same.

Aiken Electric Cooperative and Dominion Energy South Carolina split Graniteville street by street. We read yours off your bill first.

Aiken Electric Cooperative

Average home rate (2024)
15.53¢/kWh
Paid for exported solar
Set by the co-op; we confirm it per account
Net-metered home solar, utility-wide
447

Dominion Energy South Carolina

Average home rate (2024)
14.59¢/kWh
Paid for exported solar
about 2.8–4.1¢ per kWh
Net-metered home solar, utility-wide
16,090

For comparison: South Carolina average 14.23¢ · U.S. average 16.48¢. South Carolina had 40,055 net-metered home solar systems at the end of 2024.

Rates: US EIA Form EIA-861, 2024 averages incl. fixed charges, not tariffs. Export terms as of July 2026.

Graniteville sun, month by month

What a 9.5 kW system makes in Graniteville

About 13,780 kWh a year from a south-facing roof with no shade. May is the strongest month at about 1,315 kWh and December the weakest at about 866 kWh.

Your roof will differ. Horse Creek Valley sits low and wooded, and the original village lots are tight with mature trees between them.

Estimate: NASA POWER sun data for Graniteville, PVWatts model, south-facing, no shade.

  1. 1,050 Jan
  2. 1,062 Feb
  3. 1,204 Mar
  4. 1,226 Apr
  5. 1,315 May
  6. 1,248 Jun
  7. 1,260 Jul
  8. 1,185 Aug
  9. 1,173 Sep
  10. 1,139 Oct
  11. 1,052 Nov
  12. 866 Dec
Estimated kWh per month, 9.5 kW system in Graniteville

Graniteville specifics

What installing in Graniteville actually involves

Six things shape a Graniteville design. Getting them right is most of the job.

  • 01

    Your utility, confirmed per address

    Most of Graniteville is on Aiken Electric Cooperative, but Dominion Energy South Carolina serves some addresses in the Horse Creek Valley. Your utility sets what you are paid for exported power.

  • 02

    What shades your roof here

    Horse Creek Valley sits low and wooded, and the original village lots are tight with mature trees between them. Neighbouring canopy shades more roofs here than the roofs shade themselves.

  • 03

    Mounting and structural review

    Inland, no salt exposure. The constraint is the building stock: original mill cottages are small, often steep-roofed, and their framing and roof age both need checking before anything is mounted. We survey structure here more carefully than we would on a modern subdivision roof.

  • 04

    Historic districts and HOAs

    Graniteville is unincorporated, so permitting runs through Aiken County Planning & Development rather than a city. The significant constraint is historic: the Graniteville Historic District is a National Historic Landmark district, and the Vaucluse Mill Village Historic District nearby is on the National Register. Federal and state historic designation does not automatically bar solar, but it does mean placement and visibility deserve care, and that a design assuming a clear street-facing plane may not survive contact with review.

  • 05

    Outages and climate

    Hot CSRA summers with afternoon cooling peaks. Rural cooperative circuits in the valley can take longer to restore after summer storms than in-town circuits do.

  • 06

    Permits in Aiken County

    A building permit and a separate electrical permit for a rooftop system, issued by Aiken County Planning & Development. We pull all of it and manage the inspection sequence.

Before you sign

How to choose a solar company in Graniteville

  1. 1

    The licence covers the work

    Look the business up with SC LLR (the Residential Builders Commission and contractor licensing) before you sign, and ask which licence covers the electrical work in Aiken County.

  2. 2

    Who is on the roof

    Ask who installs and who services the system. Our own crews do both, from Daniel Island.

  3. 3

    About 13,780 kWh a year, in writing

    That is the unshaded ceiling for a 9.5 kW system in Graniteville. A quote far above it, or one with no kWh figure, is guessing.

  4. 4

    Aiken Electric Cooperative, by name

    The quote should use the cooperative’s Value of Renewable Generation, confirmed per account for exports, or the terms of whichever utility your bill names, not a national average.

  5. 5

    The credit, year by year

    9.5 kW at $24,605 claims $6,151 over 2 tax years. A quote should show that schedule, not one lump sum.

How it works

From your bill to switch-on, and you file nothing

  1. 1

    Free assessment

    We read 12 months of your Aiken Electric Cooperative bills (or whichever utility your bill names) and check roof age, shade and orientation.

  2. 2

    Design and a written quote

    One Graniteville design sized to your usage at the $2.59 per watt benchmark, with annual kWh and the 25% SC credit year by year.

  3. 3

    Approvals

    6 approvals in Aiken County, plus historic-district review where it applies. We file all of them.

  4. 4

    Installation and inspection

    Standard structural attachment, then the Aiken County inspections, which we book and attend.

  5. 5

    Switch-on

    Aiken Electric Cooperative approves the interconnection. We tell you the day you are live.

Every approval a Graniteville system has to clear (6)
  1. A building permit and a separate electrical permit for a rooftop system, issued by Aiken County Planning & Development
  2. Two sets of drawings with the county application, filed through the county Development Services online portal
  3. A zoning review as well for any ground-mounted array
  4. An additional electrical permit where battery storage is included
  5. Care with placement where the property sits inside the Graniteville or Vaucluse historic districts
  6. Interconnection approval from Aiken Electric Cooperative, or from Dominion Energy South Carolina where it serves the address

Want this mapped onto your roof? The assessment is free and takes one visit.

Book my free assessment or call (843) 310-1128

Our work

Real systems our crews have installed

Our own job photos, not stock or renders. Inland, no salt exposure.

  • Neatly aligned black solar panels on a residential shingle roof; solar panel installation by Sunburst Solar's own crews
    ResidentialClean rooftop layoutBlack-framed panels
  • Top-down aerial view of solar panels across a green metal roof in the woods; solar panel installation by Sunburst Solar's own crews
    ResidentialMulti-facet metal roofWooded aerial view
  • Single-story home with a full black-on-black rooftop solar array beside a pool; solar panel installation by Sunburst Solar's own crews
    ResidentialFull black-on-blackPoolside single-story home
  • Aerial view of solar panels on a green standing-seam metal roof by a lake; solar panel installation by Sunburst Solar's own crews
    ResidentialStanding-seam metal roofLakeside multi-facet install
  • Black solar panels on the roof of a modern farmhouse detached garage; solar panel installation by Sunburst Solar's own crews
    ResidentialDetached garage arrayFarmhouse-style home
  • Solar panels on an asphalt-shingle roof under a clear blue sky; solar panel installation by Sunburst Solar's own crews
    ResidentialShingle rooftop arrayBackyard-facing slope

Photo locations are not published.

Graniteville solar FAQ

Common questions from Graniteville homeowners

Who is my electric utility in Graniteville?

Most Graniteville addresses are served by Aiken Electric Cooperative, with Dominion Energy South Carolina on some Horse Creek Valley properties. Cooperatives sit outside South Carolina’s net energy metering chapter and set their own export credit, so we confirm which serves your meter and what it currently pays before quoting.

What is the best solar company in Graniteville, SC?

The one whose licence checks out with SC LLR (the Residential Builders Commission and contractor licensing), whose quote names Aiken Electric Cooperative and states about 13,780 kWh a year for 9.5 kW, and who services what it installs. Ours does all three, with a lifetime full-system warranty.

How much do solar panels cost in Graniteville?

At the $2.59 per watt benchmark, a 6 kW system is about $15,540 installed and a 9.5 kW system about $24,605. South Carolina’s 25% state credit brings those to about $11,655 and $18,454, claimed at up to $3,500 a year. In Graniteville that 9.5 kW system makes about 13,780 kWh a year unshaded; your quote depends on roof, shade and usage.

Does Graniteville have net metering?

Aiken Electric Cooperative sets its own export credit, which sits outside South Carolina's net metering chapter, so we confirm the current figure per account before modelling anything. Aiken Electric Cooperative households paid about 15.5¢ per kWh on average in 2024, so every kWh you use at home is worth more than one you export, and we size to your usage rather than to fill the roof.

Is there still a federal solar tax credit in 2026?

Not for homeowners who buy: it ended December 31, 2025. South Carolina’s 25% state credit still applies to systems you own, capped at $3,500 a year with a 10-year carry-forward.

Will solar raise my property taxes in Graniteville?

Qualifying residential systems of 20 kW or less are exempt from South Carolina property tax. Check with the Aiken County assessor.

Should I lease or buy solar in Graniteville?

68% of Graniteville homes are owner-occupied, and for owners the choice is real. Buying, with cash or a loan, means you own the system, can claim South Carolina’s 25% credit, and add an asset to the house. With a lease or power purchase agreement the provider owns the panels, so you cannot claim the state credit for them, and a buyer of your home has to take over the agreement.

Do Graniteville HOAs allow solar panel installation?

Formal HOAs are uncommon on the original village lots. The constraint here is historic rather than contractual: the Graniteville Historic District is a National Historic Landmark district, so panel placement and visibility deserve real thought. We design for that from the start.

What permits does solar panel installation in Graniteville need?

A building permit and a separate electrical permit for a rooftop system, issued by Aiken County Planning & Development; Two sets of drawings with the county application, filed through the county Development Services online portal; A zoning review as well for any ground-mounted array; An additional electrical permit where battery storage is included. We pull every one through Aiken County and book the inspections.

What are the downsides of solar here?

You own an original mill cottage whose roof structure or age will not carry an array without work first. Neighbouring canopy shades your best plane for much of the day, which is common on the original village lots. Your power bill is under roughly $90 a month.

Free assessment · Graniteville, SC

See what solar looks like at your Graniteville address

We read your bill, confirm your Aiken Electric Cooperative export terms, and tell you what your roof in Aiken County will actually carry, and say so if it will not pay.

  • Most addresses here are on Aiken Electric Cooperative, but Dominion Energy South Carolina serves some addresses in the Horse Creek Valley. We confirm yours from your bill before we quote anything
  • A building permit and a separate electrical permit for a rooftop system, issued by Aiken County Planning & Development: we pull it and manage the inspections
  • Graniteville is unincorporated, so permitting runs through Aiken County Planning & Development rather than a city.

Prefer to talk? (843) 310-1128

We use your address to look at your roof before we call.

FreeNo obligationLocal Daniel Island team

By sending this you agree to be contacted by call, text or email about your request. Consent isn’t a condition of purchase. Privacy Policy · Terms

Need the detailed version? Use the full assessment form.

Coverage

Are you a solar company near me in Graniteville?

Yes. We install in Graniteville and across Aiken County, from our office on Daniel Island in the Charleston metro. Aiken Electric Cooperative territory is the one we quote against here, and the permit route is Graniteville’s own.

What "near me" usually means for a solar job

Distance matters less than three things: whether we are licensed in your state, which utility meters your house, and whether a crew can get back to you for service. All three are settled before we quote, not after.

How to check in one step

Call (843) 310-1128 and give us your address, or send it with the form on this page. We will tell you the same day whether you are inside a market we serve, and we will say so plainly if you are not.

Nearby: Aiken, SC , Warrenville, SC , North Augusta, SC

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