Delaware Solar Incentives (2026): Rebates, Net Metering, SRECs

2) DNREC Green Energy Program rebates (Delmarva Power customers)

DNREC administers rebates through Delaware's Green Energy Program to offset installed costs of renewable energy technologies, including solar PV. DNREC notes these grants are only open to Delmarva Power customers, and applications run through the Green Grant Delaware online system after completing an acceptable energy audit and selecting an approved contractor.

If you want a broader baseline before you commit to a Solar Installation, review incentives that can change your total cost so you can compare Delaware's stack against other states' structures.

3) Delaware Electric Cooperative programs (DEC members)

DNREC points non-Delmarva customers to other utility programs, including Delaware Electric Cooperative. DEC's own program page explains it offers renewable energy and efficiency grant applications for members, and that starting in 2024, DEC members apply for solar grants through Energize Delaware.

Because these programs can update eligibility windows and required forms, treat the utility's application portal and instructions as the "source of truth" when you're ready to submit.

Net Metering in Delaware: Why it still matters

Even when a rebate is limited, net metering can be a major value driver. Delaware's net metering regulations define an annualized billing period as 12 consecutive monthly billing periods and explain when the first annualized period begins after interconnection.

In practice, your Solar Installation and system sizing should be designed so you use more of your solar energy on-site (daytime loads, smart controls, and possibly storage), while still taking advantage of export credits under your utility's net metering tariff.

SRECs in Delaware: what they are and how homeowners run into them

Delaware law defines a Solar Renewable Energy Credit (SREC) as a tradable instrument equal to 1 megawatt-hour derived from solar PV used for compliance. Delaware law also describes that unused RECs/SRECs generally exist for 3 years from the date created.

DNREC explains that Delaware's Renewable Energy Portfolio Standards allow utilities to meet requirements by buying RECs and SRECs, and it describes an SREC procurement program that releases an annual procurement (typically in spring) to accept bids for sales of credits. DNREC also notes systems must be certified by the Delaware Public Service Commission to sell RECs/SRECs and that PJM-EIS GATS is used to track transactions once certified.

Sales tax and why it's simple in Delaware

Delaware's Division of Revenue notes the state does not have a state or local sales tax. That doesn't create a special solar exemption you must apply for, but it can simplify cost comparisons versus states that do tax equipment.

Solar Installation in Delaware: practical incentive-first planning

A smooth Solar Installation is often the difference between "we got the rebate and credits" and "we missed the window." Incentives and interconnection tend to go faster when you plan the paperwork early. A typical Delaware timeline looks like:

Site assessment → system design and quote review → incentive eligibility check (utility/DNREC) → permit and utility interconnection application → installation → inspection/permission to operate → incentive submission and recordkeeping.

What are needed for solar installation in Delaware

Homeowners and small businesses usually need the following lined up before incentives and approvals are painless:

• Roof condition and usable space matter first. A roof with limited remaining life can complicate a project because you may not want to remove and reinstall panels later.
• Your electrical panel and service capacity can affect scope and cost. If an upgrade is required, it can change your final incentive math and schedule.
• Permits and inspections are part of the normal process; in HOA communities, you'll also want any required approvals in writing before installation begins.
• Utility interconnection and net metering enrollment are essential steps for getting bill credits. Keep copies of the interconnection application, approvals, and your permission-to-operate documentation.
• Equipment documentation should be saved in one place: model numbers, spec sheets, warranties, and a final paid invoice. This supports any tax credit filing and is commonly requested in program audits.
• If you're pursuing DNREC rebates, DNREC states applications should be submitted only after an acceptable energy audit and selecting an approved contractor, and that incomplete applications will not be reviewed.

How to compare Solar Companies in Delaware without losing incentives

You don't need the "cheapest" quote—you need the quote that handles incentives correctly. When comparing Solar Companies, focus on:

• Whether the proposal clearly explains who is receiving any rebate funds and whether SRECs are assigned to you or signed over as a program requirement.
• How the installer supports net metering/interconnection filings and whether they include those services in writing.
• Warranty coverage (equipment and workmanship), production estimates, and how they handle shade/roof constraints.
• Financing terms and whether the structure affects your ability to claim incentives tied to ownership.