SC solar company · Daniel Island office

Solar panel installation in Walterboro, SC

Comparing solar companies in Walterboro? We handle solar panel installation in Walterboro from your first Dominion Energy bill review to switch-on. In Walterboro and across Colleton County, we design solar for homes and properties that often have the roof space, or the land, to build a system that really moves the bill.

  • $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

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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 Walterboro · 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.
  • One-for-one net metering closed to new applicants on 1 June 2021, and new Dominion Energy South Carolina systems are credited under Solar Choice instead, at roughly 2.8–4.1¢ per kWh for exports.
  • Permits, HOAs and structural review shape the design. We handle the paperwork for all of it.

Bill-to-size

What size system does your Walterboro 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.

Prefilled with Dominion Energy South Carolina’s published residential rate as of July 2026. Your own bill beats our figure: change it if it differs.

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 Walterboro

Solar companies in Walterboro: what is different here

Walterboro-area addresses are served by Dominion Energy South Carolina or Edisto Electric Cooperative depending on location, which we confirm per address. Exported energy is credited under your utility’s current solar program rather than the retired 1:1 net metering. Larger rural lots here often open up ground-mount options when a roof isn’t ideal.

Many Colleton County properties have fewer HOA restrictions than the coastal towns, which can simplify design, though where an HOA applies we prepare the review packet for you. Older roofs and outbuildings get careful mounting and sealed penetrations, backed by our lifetime roof-penetration warranty.

Homes in Walterboro

What Walterboro's homes mean for solar

  • 1,173owner-occupied homes (50% of 2,332)
  • 1974median year homes were built
  • 62%of homes are single-family detached
  • $171kmedian owner-occupied home value
  • Half of Walterboro homes are more than 52 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 62% 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.
  • 1,173 Walterboro 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 Walterboro city. Estimates, rounded.

Honest numbers

Solar panel cost in Walterboro, and what you can claim

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

Illustrative installed cost in Walterboro. 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.
  • NoneDominion Energy cash rebateNone from Dominion Energy South Carolina.

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

One-for-one net metering closed to new applicants on 1 June 2021, and new Dominion Energy South Carolina systems are credited under Solar Choice instead, at roughly 2.8–4.1¢ per kWh for exports. Solar panel cost in Walterboro: the full breakdown · Walterboro solar incentives · Financing options

Your utility decides payback

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

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

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

Edisto Electric Cooperative

Average home rate (2024)
16.40¢/kWh
Paid for exported solar
Set by the co-op; we confirm it per account
Net-metered home solar, utility-wide
168

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.

Walterboro sun, month by month

What a 9.5 kW system makes in Walterboro

About 14,300 kWh a year from a south-facing roof with no shade. May is the strongest month at about 1,377 kWh and December the weakest at about 911 kWh.

Your roof will differ. Wooded rural lots are the norm, so shading is the usual constraint on a roof array.

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

  1. 1,085 Jan
  2. 1,112 Feb
  3. 1,264 Mar
  4. 1,286 Apr
  5. 1,377 May
  6. 1,266 Jun
  7. 1,297 Jul
  8. 1,216 Aug
  9. 1,186 Sep
  10. 1,191 Oct
  11. 1,110 Nov
  12. 911 Dec
Estimated kWh per month, 9.5 kW system in Walterboro

Walterboro specifics

What installing in Walterboro actually involves

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

  • 01

    Your utility, confirmed per address

    Most of Walterboro is on Dominion Energy South Carolina, but Edisto Electric Cooperative serves many addresses here. Your utility sets what you are paid for exported power.

  • 02

    What shades your roof here

    Wooded rural lots are the norm, so shading is the usual constraint on a roof array. Open acreage often makes ground-mount the better answer here.

  • 03

    Mounting and structural review

    Inland Colleton County, so salt is not the driver, but wind-load requirements and county structural review still apply. Standing-seam metal roofs are common and mount cleanly.

  • 04

    Architectural review and HOAs

    Largely rural with few HOAs, so placement is driven by the roof and the sun rather than by an architectural-review committee.

  • 05

    Outages and climate

    Rural distribution lines can be slower to restore after a storm, so backup has practical value beyond convenience here.

  • 06

    Permits in Colleton County

    A building permit and a separate electrical permit for a rooftop system. We pull all of it and manage the inspection sequence.

Before you sign

How to choose a solar company in Walterboro

  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 Colleton 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 14,300 kWh a year, in writing

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

  4. 4

    Dominion Energy, by name

    The quote should use about 2.8–4.1¢ per kWh 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 Dominion Energy bills (or whichever utility your bill names) and check roof age, shade and orientation.

  2. 2

    Design and a written quote

    One Walterboro 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 Colleton County. We file all of them.

  4. 4

    Installation and inspection

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

  5. 5

    Switch-on

    Dominion Energy approves the interconnection and adds its about $14 a month solar charge. We tell you the day you are live.

Every approval a Walterboro system has to clear (6)
  1. A building permit and a separate electrical permit for a rooftop system
  2. Standard plan review for systems of roughly 10 kW and above
  3. A zoning review as well for any ground-mounted array, which is common in Colleton County
  4. An additional electrical permit where battery storage is included
  5. Structural and wind-load review under county requirements
  6. Interconnection approval from whichever utility serves your meter

Dominion Energy also charges a standing monthly fee of about $14 a month on solar accounts, which we include in payback.

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 Colleton County, so salt is not the driver, but wind-load requirements and county structural review still apply.

  • 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
  • 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

Photo locations are not published.

Walterboro solar FAQ

Common questions from Walterboro homeowners

Who is my electric utility in Walterboro?

Walterboro-area homes are served by Dominion Energy South Carolina or Edisto Electric Cooperative, depending on the address. We confirm yours during the assessment.

What is the best solar company in Walterboro, SC?

The one whose licence checks out with SC LLR (the Residential Builders Commission and contractor licensing), whose quote names Dominion Energy and states about 14,300 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 Walterboro?

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 Walterboro that 9.5 kW system makes about 14,300 kWh a year unshaded; your quote depends on roof, shade and usage.

Does Walterboro have net metering?

One-for-one net metering closed to new applicants on 1 June 2021, and new Dominion Energy South Carolina systems are credited under Solar Choice instead, at roughly 2.8–4.1¢ per kWh for exports. Dominion Energy South Carolina households paid about 14.6¢ 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 Walterboro?

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

Should I lease or buy solar in Walterboro?

50% of Walterboro 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 Walterboro HOAs allow solar panel installation?

Many Walterboro properties have no HOA, which can make design simpler. Where one applies, we handle the architectural-review paperwork for you.

What permits does solar panel installation in Walterboro need?

A building permit and a separate electrical permit for a rooftop system; Standard plan review for systems of roughly 10 kW and above; A zoning review as well for any ground-mounted array, which is common in Colleton County; An additional electrical permit where battery storage is included. We pull every one through Colleton County and book the inspections.

What are the downsides of solar here?

Your roof needs replacing within about five years. Your power bill is under roughly $90 a month. Your lot is heavily wooded and you have no open ground for a ground-mount alternative.

Free assessment · Walterboro, SC

See what solar looks like at your Walterboro address

We read your bill, confirm your Dominion Energy South Carolina export terms, and tell you what your roof in Colleton County will actually carry, and say so if it will not pay.

  • Most addresses here are on Dominion Energy South Carolina, but Edisto Electric Cooperative serves many addresses here. We confirm yours from your bill before we quote anything
  • A building permit and a separate electrical permit for a rooftop system: we pull it and manage the inspections
  • Largely rural with few HOAs, so placement is driven by the roof and the sun rather than by an architectural-review committee.

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 Walterboro?

Yes. We install in Walterboro and across Colleton County, from our office on Daniel Island in the Charleston metro. Dominion Energy South Carolina territory is the one we quote against here, and the permit route is Walterboro’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: Charleston, SC , Summerville, SC , Beaufort, SC

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