If Delaware Electric Cooperative is your utility, this member-owned co-op in rural Kent and Sussex nets your solar as banked kilowatt-hours that roll to future bills, keeps a $16 monthly customer charge, and points members to Energize Delaware for solar grants. The 30% federal homeowner credit ended December 31, 2025. (As of August 2026.)
- Delaware Electric Cooperative is a member-owned co-op, not an investor-owned utility, serving rural Kent and Sussex counties, so its rules differ from Delmarva Power’s (Delaware Electric Cooperative, as of 2026).
- DEC nets your solar in banked kilowatt-hours: the meter tracks what you send versus what you take, and any surplus is banked as kWh and applied to future bills (DEC Solar FAQ, April 2025).
- A $16 monthly customer charge stays on the bill no matter how much solar you produce, so a co-op solar bill is rarely zero (DEC Solar FAQ, April 2025).
- Solar grants for co-op members run through Energize Delaware, not Delmarva’s Green Energy Program, and the amount changes year to year, so verify the current grant before you sign (Energize Delaware, as of 2026).
- Delaware residential power averages about 19.4 cents per kWh (EIA Electric Power Monthly, Table 5.6.A, May 2026), and Delaware charges no statewide sales tax on solar equipment.
- The 30% federal homeowner credit (Section 25D) ended for systems placed in service after December 31, 2025 (IRS), so most 2026 buyers cannot claim it.
If your electric bill comes from Delaware Electric Cooperative, this page is about your side of the meter, not Delmarva Power’s. DEC is a member-owned cooperative that serves rural Kent and Sussex, and its solar rules are its own: it banks your surplus as kilowatt-hours, keeps a fixed monthly customer charge, gates new solar by how much grid capacity your area has, and sends members to Energize Delaware for grants rather than running Delmarva’s Green Energy Program. This guide explains how DEC net metering credits work, what the customer charge means, how the grant path differs, what a typical co-op-territory system produces, and how to tell whether your address can even connect.
Delaware Electric Cooperative at a glance
Delaware Electric Cooperative is a not-for-profit electric cooperative owned by the members it serves, covering rural parts of Kent and Sussex counties. Because a co-op sets its own tariff and interconnection rules, the incentive and net-metering details written for Delmarva Power customers do not carry over, so read this page for the co-op version and confirm the current terms with DEC before you buy.
| Detail | What to know as a co-op member |
|---|---|
| Utility type | Member-owned electric cooperative, not investor-owned, serving rural Kent and Sussex counties |
| Rate context | Delaware residential power averages about 19.4 cents per kWh statewide (EIA Electric Power Monthly, Table 5.6.A, May 2026); confirm your own co-op rate on your bill |
| Net metering | Surplus is banked in kilowatt-hours and applied to future bills, rather than paid out as a dollar credit |
| Fixed charge | A $16 monthly customer charge applies regardless of how much solar you produce |
| Solar grants | Handled through Energize Delaware for member-owned systems; amounts change yearly, so verify the current grant |
| Before you buy | Some areas are open for new solar and some are closed on grid capacity, so check DEC first |
How Delaware Electric Cooperative net metering works
DEC banks your surplus solar as kilowatt-hours and applies that bank to future bills, rather than paying a dollar credit.
The co-op nets in energy, not dollars. Over each billing period, DEC’s meter records how much energy you pull from the grid and how much your panels send back, and the difference is your usage. When you send back more than you use, the extra is added to your banked kilowatt-hours, and in a later month when you use more than you make, that bank is drawn down against your usage (DEC Solar FAQ, April 2025). For a plain-English primer on how export credits work in general, see how net metering credits your solar exports.
Two co-op details shape the math. First, a $16 monthly customer charge stays on the bill no matter how much you produce, so a co-op solar bill is rarely zero even in a strong sun month. Second, DEC offers account aggregation, so the kilowatt-hours one array produces can credit more than one of your accounts on a priority basis, which helps members with a home plus a barn, well, or second meter. Because a co-op tariff can change, confirm how any leftover bank is handled over a full year with DEC before you size the system, and size to your own yearly usage so most production offsets power you would otherwise buy.
See which solar programs are available at your Delaware address
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Submitted securely and used to match you with licensed installers in your area. Some homeowners may qualify for $0-up-front lease/PPA options where available; a lease or PPA is a long-term contract that may include an annual price escalator, total payments may exceed the cost of owning, and the third-party owner, not you, keeps any grant and certificates.
Solar grants for co-op members go through Energize Delaware
This is the clearest split between DEC and Delmarva Power. Delmarva customers use the state Green Energy Program, but Delaware Electric Cooperative members apply for solar grants through Energize Delaware, the state’s sustainable energy utility. DEC itself points members to Energize Delaware for the grant amount and application, and the co-op’s own guidance is blunt that the amount can change from year to year (DEC Solar FAQ, April 2025). A few rules are stable enough to plan around.
| Grant question | The co-op detail |
|---|---|
| Who administers it | Energize Delaware, the state sustainable energy utility, not Delmarva’s Green Energy Program (Energize Delaware) |
| How much | The amount changes year to year, so verify the current figure with Energize Delaware rather than a sales quote |
| Who qualifies | Member-owned systems only; a system designed for third-party ownership does not receive the grant |
| Certificates | Members may be required to sign over their SRECs to Energize Delaware to receive a grant |
| Lease or PPA | Grants are written for owned systems, so a residential lease or PPA does not capture the grant |
Treat the grant as a live budget, not a guarantee. Because the amount resets over time and funds are limited, confirm the current grant and that money is available before you sign, and get any figure in writing from Energize Delaware rather than from an installer’s brochure. For how a grant fits with the rest of the picture, see our guide to solar incentives.
What a typical co-op-territory system produces
A typical 7 kW system in DEC’s southern Delaware territory makes roughly 9,900 kWh a year.
A right-sized system offsets a real chunk of a normal bill. According to MySolarFY’s analysis (August 2026), a typical 7 kW rooftop system in Georgetown, in DEC’s Sussex County territory, produces about 9,900 kWh a year (NREL PVWatts v8), which offsets roughly $1,920 of grid power at Delaware’s 19.4 cents per kWh. Your own numbers depend on your roof, shading, and usage, and on whether your area is open for interconnection, so treat this as an illustration and ask an installer to model your address.
Interconnection: check whether your area is open first
With a co-op, the first question is not price, it is whether your part of the grid can accept new solar. DEC gates interconnection by grid capacity, so some areas are open for new systems and some are closed, and the co-op keeps an interconnection map for members to check before they buy (Delaware Electric Cooperative, as of 2026). The general path is:
- Check capacity. Confirm with DEC that your location is open for new solar before you sign anything, since some areas are closed.
- Size to your usage. DEC sizes a residential system to your last 24 months of consumption, and it must stay under the maximum output Delaware law allows for net metering, which caps residential systems at 25 kW.
- Apply to interconnect. You or your installer file DEC’s interconnection application with the system design and inverter data.
- Install and inspect. A licensed contractor installs the system and it passes local electrical inspection.
- Meter and approval. DEC sets the net meter and approves the system, and only then does it start banking kilowatt-hours.
A licensed installer normally manages this whole process, including the DEC interconnection paperwork and any Energize Delaware grant application.
SRECs and how the co-op handles them
Your certificates are yours, unless a grant asks for them. A Delaware system earns one Solar Renewable Energy Certificate for every 1,000 kWh it produces. DEC is not involved in your SRECs, so you can sell them at auction or to the state sustainable energy utility’s purchase program (DEC Solar FAQ, April 2025). The trade-off is the grant: to receive an Energize Delaware grant, a member may be required to sign those SRECs over to the state, so you usually choose either the up-front grant or the certificate income, not both. Ask your installer to model which path leaves you better off for your system.
Which utility serves you in Delaware
Delaware Electric Cooperative serves rural Kent and Sussex, but most of Delaware is served by Delmarva Power, and the two run different programs. If your bill comes from Delmarva rather than the co-op, the Green Energy Program grant and full retail net metering apply to you instead, so read how Delmarva Power solar works in Delaware. Delaware also has about nine municipal electric companies, including Dover, Newark, and Lewes, each with its own green energy fund. Confirm your provider on your bill before you count on any single figure. For the statewide picture across every provider, see our Delaware solar guide.
What changed federally in 2026, and what it means for co-op members
The 30% federal solar tax credit ended December 31, 2025, but Delaware’s own incentives continue.
The federal homeowner credit is gone, but the state and co-op paths are not. The 30% federal Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, so a co-op member who buys solar with cash or a loan in 2026 cannot claim it (IRS, as of 2026). For the full timeline, see what the end of the federal solar tax credit means in 2026. What carries the co-op math now is the local stack: banked-kWh net metering, an Energize Delaware grant if you qualify, and no state sales tax on the equipment.
One federal exception remains, and it is not yours to claim. A separate commercial credit, Section 48E, is claimed by the business that owns a leased or PPA system, not by the homeowner. On a leased system you do not file for a federal credit yourself; the company that owns the panels does. The 25D homeowner credit, by contrast, ended after December 31, 2025, so do not let a sales pitch tell a 2026 cash or loan buyer otherwise.
How to choose a solar installer in co-op territory
Rather than chasing a “best installer” list, screen any company against objective criteria that matter for a co-op member:
- NABCEP certification, the industry’s professional standard for PV installers.
- A valid Delaware business license and the right electrical credentials for the work.
- A clear workmanship and equipment warranty in writing.
- Real experience with Delaware Electric Cooperative interconnection and the Energize Delaware grant, including checking that your area is open for new solar.
- A written production estimate and a transparent quote that shows your bill after solar, including the $16 monthly customer charge that does not go away.
MySolarFY matches you with licensed installers that serve your area so you can compare real local quotes side by side, with no obligation.
Check which solar programs are available at your address →
Frequently asked questions
How does Delaware Electric Cooperative net metering work in 2026?
DEC nets your solar in kilowatt-hours, not dollars. The meter tracks how much energy you take from the grid and how much you send back, and any surplus is banked as kilowatt-hours and applied to future bills (DEC Solar FAQ, April 2025). A $16 monthly customer charge stays on the bill regardless of how much you produce, so a co-op solar bill is rarely zero. Because a co-op can revise its tariff, confirm how a leftover bank is handled over a full year with DEC before you size the system.
Does Delaware Electric Cooperative offer a solar grant?
Co-op members apply for solar grants through Energize Delaware, the state sustainable energy utility, rather than through Delmarva’s Green Energy Program. DEC’s own guidance says the grant amount changes from year to year and points members to Energize Delaware for the current figure and application (DEC Solar FAQ, April 2025). Grants are for member-owned systems, not third-party lease or PPA systems, and a member may be required to sign over their SRECs to receive one. Verify the current grant with Energize Delaware before you sign.
Why is there still a charge on my bill if my solar covers my usage?
Delaware Electric Cooperative applies a $16 monthly customer charge no matter how much solar you produce, so even in a strong sun month your bill is rarely zero (DEC Solar FAQ, April 2025). If your banked kilowatt-hours cover your usage, you are billed only that customer charge. Factoring the fixed charge into your payback is why a transparent installer quote should show your bill after solar, not just your production.
Can any home in the co-op’s area add solar?
Not automatically. DEC gates new solar by grid capacity, so some areas are open for interconnection and some are closed, and the co-op keeps an interconnection map for members to check first (Delaware Electric Cooperative, as of 2026). Confirm with DEC that your address is open before you sign an installation contract. DEC also sizes a residential system to your last 24 months of usage, within Delaware’s 25 kW residential net-metering cap.
What happened to the federal solar credit for co-op members?
The 30% federal Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, so a homeowner buying with cash or a loan in 2026 cannot claim it (IRS, as of 2026). A separate commercial credit, Section 48E, can apply to leased and PPA systems, but the business that owns the system claims it, not the homeowner. DEC net metering, no state sales tax, and any Energize Delaware grant were not affected and still carry the payback in 2026.
Do I qualify for net metering and a grant if I lease or sign a PPA?
Banked-kWh net metering follows your Delaware Electric Cooperative account, so the customer of record earns it whether you own, lease, or sign a PPA. The Energize Delaware grant and the SRECs, though, are written for member-owned systems, so on a lease or PPA the third-party company keeps the grant and certificates while your benefit is a lower or fixed power price with no up-front cost. If you want the grant in your own name, owning the system through cash or a loan is the path that captures it.
