Solar Photovoltaics

Mass Solar Loan Program

Massachusetts offers fixed low-interest loans to residents purchasing solar photovoltaic (PV) systems. One purpose of this program is to provide more opportunity for residents to own solar PV systems, rather than enter into third-party ownership arrangements. This program is administered by the Massachusetts Clean Energy Center, with oversight from the Massachusetts Department of Energy Resources. The program is funded by alternative compliance payments paid to comply with the state's renewable portfolio standard.

Eligibility Requirements

Loans are available to Massachusetts residents purchasing a solar PV system or a share in a behind-the-meter community shared solar system. Third-party owned projects are

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Blue Ridge EMC - Net Metering

The Blue Ridge Electric Membership Corporation offers net metering to its residential customers with solar photovoltaic, wind, or micro-hydro generators up to 25 kilowatts. There is no aggregate capacity limit.

Net excess generation is credited at retail rate. However, net metering customers are not served on the general residential rate tariff; net metering customers have a lower retail energy rate and higher grid service charge than general residential customers. Net metering customers also have a higher minimum bill than general residential customers. Excess credit rolls over month-to-month. Any net excess generation remaining on May 31 of each year will be

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Interconnection Standards

In December 2015, the Mississippi Public Service Commission (PSC) established net metering in the State accompanied by interconnection standards for distributed generator facilities. 

Eligibility

The standards apply to all the investor-owned utilities in Mississippi under the jurisdiction of the PSC. The cooperatives are required to file a net metering program and interconnection standard that is consistent with the rules set forward by the PSC. Cooperatives that participate in the TVA-sponsored net metering program are exempt from the rule. Interconnection request applications will be made available on the electric utility’s website. 

All the distributed generation facilities must be capable of being isolated

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Net Metering

NOTE: Although this entry is categorized as net metering, the policy adopted by the Mississippi PSC does not meet DSIRE's definition of net metering, as excess generation is not netted one-to-one against consumption over the billing period. 

The PSC filed an order in early January 2025, updating Entergy Mississippi's NEM-2's value of DG applied to excess credits. The new values are 5.5 cents/kWh for customers not eligible for the tariff's low-to-moderate income adder, and 7.5 cents/kWh for those that are eligible. In December 2024, the Mississippi Power filed for approval its RENM-3 net metering rate schedule, which would replace RENM-2

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WSHFC Sustainable Energy Program

The Washington State Housing Finance Commission’s (WSHFC) Sustainable Energy Trust (SET) provides low-interest loans for energy-efficiency or renewable energy projects. The Commission can finance up to $1 million at favorable interest rates (subject to underwriting. SET loans are typically issued for the three categories of projects listed below.

New construction of high efficiency single-family homes

Eligible projects must exceed Washington State Energy Code by at least 12%. Construction loans are available to housing developers. Individuals seeking financing for their own homes are not eligible.

Energy and water efficiency upgrades for multifamily housing and nonprofit facilities

Eligible projects must reduce utility

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City of Chicago - Solar Express Permit Program

In 2013, the City of Chicago streamlined and standardized the permitting and zoning process for rooftop solar photovoltaic (PV) systems. Small and large rooftop PV generators can now access the City of Chicago Easy Permit Process. Qualifying projects can receive same-day permit approvals (a process that used to take 30 days) at a reduced fee of $275 (down from $375).

There are separate steps for small and large rooftop systems. Small rooftop solar PV systems are those generating less than 13.44 kilowatt (kW). Large rooftop solar PV systems are those generating greater than 13.44 kW. 

Along with the Easy Permit

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Maryland Smart Energy Communities Grant

The Maryland Energy Administration (MEA) offers financial incentives for local governments to join its Maryland Smart Energy Communities (MSEC) initiative. The goal of the MSCE program is to have local governments adopt and implement policies that promote energy efficiency and renewable energy in their jurisdictions. 

Eligibility

Any incorporated towns, cities, and counties in Maryland can apply to join the MSEC program. Communities that apply for the program and meet the requirements receive funding based on population size and funding availability. 

Program Description

The funding for the program will be divided between new and existing participants to the MSEC program. New

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Large Electric Consumer Public Purpose Program (LECPPP)


Oregon's 1999 electric-utility restructuring legislation (SB 1149) required Pacific Power and Portland General Electric (PGE) to collect a 3% public purpose charge from their customers to support renewable energy and energy efficiency projects. Large electric consumers may be eligible to direct a portion of their public purpose charge for conservation projects and renewable energy resources on qualified sites.

To qualify, consumers must use over one average megawatt or 8,760,000 kilowatt hours a year. The site must either be metered through a single meter or be contiguous (buildings within 1,000 feet of each other). The Oregon Department of Energy (ODOE) must

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VirginiaSAVES Green Community Loan Program

The VirginiaSAVES Green Community Program provides low cost financing to private commercial and industrial, non-profits, and local governments to fund a wide range of energy efficiency and renewable energy projects in the State. The program works with third-party funding sources to provide financing for projects. The program is administered by CleanSource Capital, LLC under the guidance of Virginia Department of Mines, Minerals, and Energy (DMME).

Interested applicants must submit a summary worksheet that describes the project, including measures being funded, vendors involved, and energy assessment. After meeting the eligibility requirements, the borrower can submit a formal application along with an application fee

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EZ Investment Tax Credit Refund for Renewable Energy Projects

Note: This incentive is not available for renewable energy projects coming into service on or after January 1, 2021; a bill to extend the credit's availability was introduced in the 2020 legislative session but did not pass.

Colorado's Enterprise Zone (EZ) program provides tax incentives to encourage businesses to locate and expand in designated economically distressed areas of the state -- those having a high unemployment rate, low per capita income, or a low population growth rate.  A taxpayer may claim an EZ investment tax credit for qualified investments located in an enterprise zone. The income tax credit is

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