Battery & backup · Ashburn, VA

Solar battery installation in Ashburn, VA

Solar battery installation in Ashburn pays when it stores power Dominion Energy would otherwise credit at credited one-for-one at retail against your own annual usage, and 69% of homes here are owner-occupied.

Storage in Ashburn · as of August 2026

Virginia still credits exported power one-for-one at retail against your annual usage; the State Corporation Commission preserved that for Dominion Energy Virginia customers in its 30 April 2026 NEM 2.0 ruling. Exported power is worth as much as power you use, so in Ashburn a battery is mainly an outage-protection decision rather than a bill-saving one.

Looking for a solar company in Ashburn? See solar companies in Ashburn: our local team, costs and a free assessment.

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

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30+ yrscombined team experience
~450combined experienced installs
Lifetimefull-system + roof-penetration warranty
StatewideSC-based crews, callbacks within the hour

Local storage case

Why storage does or does not fit in Ashburn

A battery in Ashburn is bought for outages, not for arbitrage, and we would rather say so than dress it up. Under retail net metering there is no spread between what you are credited for exporting and what you pay to import, so holding production back captures nothing economically. That is the opposite of the case in Georgia and it follows directly from the 2026 ruling.

The resilience case is real enough on its own. Northern Virginia sees summer storm and winter ice activity, and we size for essentials across a couple of days rather than for whole-house backup, which is a far larger and more expensive system than most people picture when they ask.

Written for Ashburn specifically.

Where a battery earns its place

In Ashburn a battery is for outages, not the bill

Virginia still credits exported power one-for-one at retail against your annual usage; the State Corporation Commission preserved that for Dominion Energy Virginia customers in its 30 April 2026 NEM 2.0 ruling.

The case for a battery here is backup: keeping essential circuits running through an outage. Four genuine seasons, with summer cooling peaks aligned to peak production and lower winter output. Retail net metering smooths that across the year in a way an export-credit state cannot, which is the main reason a Loudoun system behaves better than its latitude suggests.

We model your Dominion Energy Virginia usage at the assessment and show whether storage earns its cost.

Ashburn solar incentives · Ashburn solar cost

How it works

How battery installation runs in Ashburn

Critical-load mapping, an extra electrical permit through Loudoun County, installation with a critical-loads subpanel, then Dominion Energy approval and commissioning.

Cost

What drives battery cost in Ashburn

Four genuine seasons, with summer cooling peaks aligned to peak production and lower winter output. Capacity and the number of Loudoun County circuits you back up set the price.

Ashburn specifics

What storage involves here

Ashburn has its own constraints. Getting these right is most of the job.

  • 01

    A separate electrical permit

    Loudoun County requires one for storage on top of the solar permits, with its own inspection. We pull it and meet it.

  • 02

    Your outage profile

    Four genuine seasons, with summer cooling peaks aligned to peak production and lower winter output. Retail net metering smooths that across the year in a way an export-credit state cannot, which is the main reason a Loudoun system behaves better than its latitude suggests.

  • 03

    Where the battery goes

    Placement matters mostly for heat. Garage-interior siting usually beats an unconditioned attic here.

  • 04

    Service panel capacity

    Older services often need attention before storage can be added cleanly. We run the load calculation before quoting, not after.

  • 05

    Battery or generator?

    For very long outages a standby generator can be the better answer, and we will say so if it is. Compare the two.

  • 06

    Retrofit or new build

    Pairing storage with a new system is cleaner than retrofitting to an inverter that was never specified for it. We check yours first.

Permits and approvals

What approval takes in Ashburn

6 approvals for a Ashburn system. We file every one.

  1. 01A building permit and a separate electrical permit from Loudoun County, or from the town where the address sits inside one
  2. 02An interconnection application to whichever utility serves your meter, Dominion Energy Virginia or NOVEC, on that utility’s own forms
  3. 03Written confirmation of the standby-charge position for any system above 15 kW AC
  4. 04HOA architectural review, which applies across most of the county’s master-planned communities, subject to the SB 504 limits
  5. 05An additional electrical permit where battery storage is included
  6. 06A county application for the solar equipment tax exemption once the system is operating and fully permitted

Standing monthly charge:about $1 a month for customers connecting under NEM 2.0, included in our payback figures.

Your utility decides payback

Battery storage in Ashburn depends on what your utility pays

Dominion Energy Virginia and NOVEC split Ashburn street by street. We read yours off your bill first.

Dominion Energy Virginia

Average home rate (2024)
14.09¢/kWh
Paid for exported solar
credited one-for-one at retail against your own annual usage
Net-metered home solar, utility-wide
53,368

NOVEC

Average home rate (2024)
11.57¢/kWh
Paid for exported solar
Set by the co-op; we confirm it per account
Net-metered home solar, utility-wide
3,602

For comparison: Virginia average 14.41¢ · U.S. average 16.48¢. Virginia had 69,553 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 August 2026.

Homes in Ashburn

Ashburn homes and solar battery backup

  • 11,694owner-occupied homes (69% of 17,067)
  • 1999median year homes were built
  • 37%of homes are single-family detached
  • $659kmedian owner-occupied home value
  • The median Ashburn home was built in 1999, so many roofs are reaching their second half. We check remaining roof life before we design.
  • Only 37% of homes are single-family detached; in the other 63% the association or shared roof decides first.
  • 11,694 Ashburn households own their home, the ones who can install and claim the system as an asset.
  • A 9.5 kW system at about $27,550 is roughly 4% of the median $659k Ashburn home value.

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

Our work

Real systems our crews have installed

Our own job photos, not stock or renders. Inland Mid-Atlantic.

  • Black solar panels on the roof of a modern farmhouse detached garage; solar battery 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 battery installation by Sunburst Solar's own crews
    ResidentialShingle rooftop arrayBackyard-facing slope
  • Aerial view of a downtown commercial building with a flat-roof solar install; solar battery installation by Sunburst Solar's own crews
    CommercialDowntown flat roofLow-slope membrane rooftop
  • Neatly aligned black solar panels on a residential shingle roof; solar battery 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 battery installation by Sunburst Solar's own crews
    ResidentialMulti-facet metal roofWooded aerial view
  • Off-grid cabin with a full roof solar array and a lake view behind it; solar battery installation by Sunburst Solar's own crews
    Off-GridCabin porch viewFull-slope roof array

Photo locations are not published.

Free assessment · Ashburn, VA

Get a straight answer for your Ashburn roof

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

  • Most addresses here are on Dominion Energy Virginia, but NOVEC serves some Loudoun County addresses. We confirm yours from your bill before we quote anything
  • A building permit and a separate electrical permit from Loudoun County, or from the town where the address sits inside one: we pull it and manage the inspections
  • Loudoun County has adopted a solar equipment tax exemption, and the terms are worth knowing before you apply: the amount and duration are tied to the system’s nameplate capacity in DC watts, the equipment must be certified by the county as used primarily for collecting or generating energy, and the county will not process an application until the system is operating and has passed all required permits.

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.

Ashburn battery FAQ

Battery questions from Ashburn homeowners

Is a home battery worth it in Ashburn in 2026?

Mainly for backup. Virginia still credits exported power one-for-one at retail against your annual usage; the State Corporation Commission preserved that for Dominion Energy Virginia customers in its 30 April 2026 NEM 2.0 ruling. Exported power is worth as much as power you use, so a battery here earns its place by keeping essential circuits running through an outage rather than by lowering the bill.

Does battery storage need a separate permit in Loudoun County?

Yes. Battery storage requires an additional electrical permit alongside the permits for the solar system itself in Loudoun County, and the installation must satisfy the National Electrical Code as adopted in Virginia. We pull the permits and handle the inspection sequence as part of the project.

What does solar battery installation in Ashburn save on Dominion Energy?

Virginia still credits exported power one-for-one at retail against your annual usage; the State Corporation Commission preserved that for Dominion Energy Virginia customers in its 30 April 2026 NEM 2.0 ruling. Dominion Energy households paid about 14.1¢ per kWh on average in 2024.

Is solar battery installation in Ashburn worth it for outages?

Four genuine seasons, with summer cooling peaks aligned to peak production and lower winter output. Retail net metering smooths that across the year in a way an export-credit state cannot, which is the main reason a Loudoun system behaves better than its latitude suggests. We size backup to the circuits that matter rather than the whole house.

How big should solar battery installation in Ashburn be?

Sized to the circuits that matter, not the whole house. A 9.5 kW solar system here makes up to about 1,226 kWh in its best month, and the afternoon surplus is what a battery stores. Dominion Energy households paid about 14.1¢ per kWh on average in 2024.

Free, no-pressure assessment

See whether storage earns its cost at your Ashburn address

We will map your critical loads, model your usage against your actual rate, and tell you honestly whether a battery pays for itself here or whether it is purely backup insurance.

Mon–Sat, 10am–6:30pm ET · We typically follow up within the hour.

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