Commercial solar · Ashburn, VA
Commercial solar in Ashburn, VA
Why the numbers favour business · as of August 2026
Dominion Energy Virginia credits exported power at credited one-for-one at retail against your own annual usage against the applicable residential retail rate, confirmed against your own bill rate, so the value sits in consuming your own production. A Ashburn business that runs through daylight hours self-consumes most of what it generates, which is exactly what the current net energy metering under §56-594 structure rewards. That is a structural advantage over a typical home.
Local commercial reality
The commercial picture in Ashburn
Non-residential net metering in Virginia is capped at 100 kW, and on the commercial buildings around Ashburn that ceiling rather than roof area is usually what shapes the design. Establishing where a building sits against it is the opening question on any commercial enquiry here.
Below the cap the economics are unusually clean for a commercial customer, because retail crediting means the building does not need to consume its own production to capture its value. Demand charges and peak coincidence still matter, so we read interval data, but the self-consumption pressure that dominates our Georgia commercial work is largely absent.
Written for Ashburn specifically. Your own roof, bill and meter still decide the answer, which is what the free assessment settles.
Why now
The 2026 rate change hurt homeowners and helped businesses
When Dominion Energy Virginia closed one-for-one net metering to new systems at the end of 2025, it reduced the value of exporting surplus power. For a home that generates at midday and uses power at night, that was a real setback.
A commercial building has the opposite load shape. Offices, warehouses, retail floors and refrigeration draw hardest during exactly the hours a rooftop array produces hardest. Most of what you generate never touches the grid, so it offsets electricity at the applicable residential retail rate, confirmed against your own bill rather than earning credited one-for-one at retail against your own annual usage.
Put plainly: the rate change that made residential solar harder to justify in Ashburn left commercial economics broadly intact, and in relative terms improved them. That is worth knowing if you looked at solar for your building a few years ago and set it aside.
Summer cooling load reinforces this. Your peak demand and peak solar production land in the same months and largely the same hours. 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.
The same rate detail from the homeowner's side is on Ashburn solar incentives.
How we scope a building
Engineering first, sales second
- 01
Load profile and bill analysis
We read your actual interval data and tariff, not a square-footage estimate. For commercial accounts the shape of your demand matters as much as the total, and it determines whether solar is a strong or a marginal fit.
- 02
Roof, structure and electrical review
Low-slope membrane, standing-seam metal or ballasted, plus service capacity and switchgear. Inland Mid-Atlantic. No salt exposure, with snow loading a real racking input. The roof stock is recent enough that framing is rarely the constraint; the care goes into flashing detail and freeze-thaw.
- 03
Permits and interconnection
Building and electrical permits with plan review, structural sign-off, and Dominion Energy Virginia interconnection. We manage the sequence and tell you what is genuinely outside our control.
- 04
Install, commission, monitor
Sequenced around your operations. We commission the system, hand over monitoring, document everything your accountant will need, and stay reachable afterwards.
Commercial systems carry our lifetime full-system and roof-penetration warranty alongside manufacturer coverage, so one contractor stands behind the roof and the array.
Building types
What we install on in Ashburn
Offices and retail
Daytime-dominant load, strong self-consumption. Often the cleanest business case in the area.
Warehouse and light industrial
Large low-slope roofs with real capacity. Structural review and ballast strategy drive the design.
Multifamily and hospitality
Common-area load and metering structure decide what is worth doing. We work through the metering first.
Ashburn specifics
What commercial work involves here
The constraints that actually shape a Ashburn commercial design.
- 01
Structural review
Inland Mid-Atlantic. No salt exposure, with snow loading a real racking input. The roof stock is recent enough that framing is rarely the constraint; the care goes into flashing detail and freeze-thaw. On a commercial roof, attachment and ballast engineering is a substantive design step.
- 02
Plan review is certain
Systems around 10 kW and up get standard plan review, which covers effectively all commercial work. Budget time for it.
- 03
Interconnection timing
Dominion Energy Virginia approval precedes energising, and the queue rather than the install usually sets your date.
- 04
Architectural review
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. Under SB 504 a Virginia association may impose only reasonable restrictions on rooftop solar, unreasonable being a cost increase above 5% or a generation loss above 10%.
- 05
Metering and tenancy
Who is billed for what determines whether the project works at all. We resolve this before design, not after.
- 06
Roof age and warranty
A commercial membrane near end of life changes the sequence. One contractor behind both the roof and the array avoids the finger-pointing later.
Tax
Where we stop and your CPA starts
Commercial solar tax treatment is genuinely different from residential. Federal commercial provisions and depreciation may apply where the expired residential credit does not, and the structuring can materially change your return.
We are not going to model that for you. Installers who present themselves as tax advisers do their clients harm, and the numbers depend on your entity, your liability and your depreciation position, none of which we can see.
What we do instead: scope and build the system properly, document it to the standard your accountant needs, and route structuring questions to your CPA. If a competitor is quoting you a confident after-tax figure without having spoken to your accountant, treat that as a warning sign.
Ashburn commercial solar FAQ
Questions from Ashburn business owners
Does commercial solar make more sense than residential in Ashburn?
Often yes, for a structural reason. Dominion Energy Virginia credits exported power at credited one-for-one at retail against your own annual usage against the applicable residential retail rate, confirmed against your own bill, so the value is in consuming your own production. A business that operates through daylight hours self-consumes most of what it generates, which is precisely what the current net energy metering under §56-594 structure rewards.
What kinds of Ashburn businesses do you install for?
Offices, warehouses and light industrial, retail, and multifamily properties. Low-slope membrane roofs and standing-seam metal are both common in the Ashburn area and both work well. We scope each building on its own roof structure, electrical service and load profile.
Will installation disrupt our operations?
We sequence work around how you run, and most of the installation happens on the roof rather than inside occupied space. The tie-in and commissioning need a planned window, which we schedule with you rather than around you.
What commercial solar incentives are available in South Carolina?
Commercial projects are treated differently from residential, and federal commercial provisions such as 48E and depreciation treatment may apply where the expired residential credit does not. We are installers rather than tax advisers, so we document the project properly and route the structuring questions to your CPA instead of guessing.
What permits does a commercial system need in Loudoun County?
A building permit and an electrical permit, with standard plan review for systems of roughly 10 kW and above, which covers essentially all commercial work. Inland Mid-Atlantic. No salt exposure, with snow loading a real racking input. The roof stock is recent enough that framing is rarely the constraint; the care goes into flashing detail and freeze-thaw. Dominion Energy Virginia interconnection approval is required before energising.
How long does a commercial project take in Ashburn?
It depends on system size, structural review and the interconnection queue rather than on installation time. We will give you a realistic sequence at the assessment rather than a best-case number, and we will tell you which steps are outside our control.
Nearby
Commercial solar near Ashburn
Free, no-pressure assessment
Find out what your Ashburn building can carry
We will read your interval data and tariff, review your roof structure and service capacity, and give you an honest scope, with no guaranteed-savings math.
Mon–Sat, 10am–6:30pm ET · We typically follow up within the hour.