Solar Companies in Delaware

A significant increase in Delaware’s residential and commercial solar energy use may be attributed to the vast array of advantages solar energy offers. Visit our advanced platform to learn latest news in the world of solar!

Solar Power Systems
13 min readOct 24, 2023
solar companies delaware

If you’ve decided to use solar energy in your household rather than rely on traditional ‘carbon footprint’ sources and you live in Delaware — head straight to our article about the top solar installers in the area! However, if you’re just considering going green and aren’t sure where to start, check out our blog on integrating solar power into sustainable living practices and the largest list of US solar installers at

You can learn about the top Delaware installers directly here or through the article, or conduct your own search by comparing solar quotes from multiple installers.

Despite its diminutive size, Delaware is a solar energy powerhouse. Total solar capacity in the state as of the third quarter of 2023 is 261 MW, reflecting an increase in solar installations.

As depicted in the diagram, utility and community solar installations in Delaware have increased substantially over the past two years. Delaware solar energy is sufficient to power 32,789 residences. That provides 6.06% of the electricity for the state! Delaware is making significant advances in solar energy, boasting 559 solar jobs and a $643 million investment.

With 200 sunny days per year on average, Delaware is an ideal location for solar energy generation. In addition, there are ample opportunities, as the average daily optimum sunlight hours are 4.6. Also, the favorable climate in Delaware contributes to the optimal performance of solar panels, given that solar panel efficiency is highest in lower temperatures.


In 2022, natural gas was the primary source of power, fulfilling 87% of all energy requirements. A recent legislative measure, nevertheless, mandates that utility companies procure 40% of their energy from renewable sources by 2035, with solar energy constituting 10% of that total. Additional energy generated by solar systems can be fed back into the grid, which further enhances the appeal of net metering policies for solar energy.

It can be difficult to select a solar company in Delaware. Their experience, reputation, consumer feedback, and the nature of the warranty they provide must all be considered. And you want a company that can do it all. But don’t worry, Solar Power Systems is here to help! Our research has enabled us to identify and recommend the leading solar companies De. Clean Energy USA, Green Street Solar, CMI | Solar & Electric, and SunnyMac Solar are among the businesses that appear on our list. Each possesses a distinguished standing and provides distinct advantages. Determine which local solar panel installer in your area is ideal for your residence.

Factors to Consider When Choosing a Solar Company

Selecting the solar provider in Delaware that will meet your energy requirements is a significant choice. The selection process extends beyond mere consideration of price or attention-grabbing advertisements. The crux of the matter is locating an installer nearby who possesses the requisite expertise, comprehends your particular requirements, and has an established history of success in Delaware. Plus, you want an installer that puts its customers first and will be there to answer your questions and address any concerns you may have during and after the installation process of Delaware solar panels.

solar company in delaware

Remember, going solar is a long-term investment. Consequently, you will require the assistance of a company that stands by you throughout the process. Price is not the only factor to consider when selecting solar panel companies. The priority is to identify a collaborator who can assist you in optimizing your solar energy investment.

There are considerations to make when selecting an installer in Delaware:

  • It is imperative to possess a comprehensive understanding of the components comprising your solar system.
  • Verify that the installing company complies with all applicable legal and industry standards.
  • Examine their service commitments and warranties.
  • Review customer feedback in Delaware.

Quality and Efficiency of Solar Panels

Solar panels comprise the fundamental element of every solar system. However, keep in mind that not every solar panel is equal in construction. It is advisable to scrutinize the characteristics of the solar panels offered by various solar panel companies as you compare them. You are optimizing your system and reducing your energy expenses by utilizing solar panels with greater efficacy. Approximately 15%-20% is the average efficiency of Delaware solar panels that are on sale. Consider this as you go about purchasing solar panels in Delaware.

Licensing, Insurance, and Credentials

Check the installer license and insurance coverage before proceeding. Installers in Delaware who adhere to state regulations demonstrate confidence that the company is serious and not merely concerned with compliance. Additionally, insurance is irreplaceable in the event that unforeseen complications arise during the installation.

An example of a company’s commitment to upholding industry standards is evident if it possesses a certification from the North American Board of Certified Energy Practitioners (NABCEP).

Warranty and After-Sales Service

The solar panels are typically covered by warranties offered by the majority of solar panel companies. Even though the average longevity of a solar panel can exceed 30 years, it is not uncommon for these solar panel companies to provide a 25-year product warranty.

Customer Reviews and Testimonials

A wealth of information regarding the performance of an installer in Delaware can be gleaned from client reviews. Consider notable online platforms dedicated to solar evaluations, such as Yelp, Google evaluations, or others. Access to the experiences of past consumers is possible through these platforms. A significant number of favorable evaluations is typically indicative of a reputable installer whose clientele is satisfied.

Costs and Financing Options

The average solar panel cost in Delaware, including installation, is roughly $2.61 per watt. However, this price can fluctuate based on a few variables, such as the size of the system and the complexity of the installation. To get a clear understanding of the potential financial commitment, it’s a good idea to get detailed quotes from several solar energy companies in Delaware.

What’s more, many of these companies offer flexible financing options. These can range from cash purchases and solar loans to leases or power purchase agreements (PPAs).

Get Solar Quote in Delaware

The transition to solar energy in Delaware is a momentous decision that necessitates careful consideration and evaluation. A crucial part of this journey is to get a solar quote from the installer. This quote offers an in-depth breakdown of the costs, potential savings, and return on investment linked to the installation of solar panels. Elements such as the design of your property, the local climate, and the solar incentives that are accessible in Delaware are taken into account.

Obtaining a solar quote involves a few simple steps:

  • Your home’s location and average monthly electricity expenditure are mandatory in order to get a solar quote. This data assists the installer in comprehending your residential solar potential and energy requirements.
  • When determining the optimal location for the solar panels on the rooftop of your home, the solar panel companies will typically utilize satellite imagery to assess factors including roof size, angle, and shading. A solar consultant may occasionally perform a more comprehensive assessment by physically visiting your residence.
  • The solar installer will furnish you with a comprehensive quotation once the evaluation is complete. The dimensions of the solar system, the number of solar panels, the overall expense, potential cost reductions, and the period of return will be encompassed in this estimate. Furthermore, any incentives or financing options that are accessible in Delaware will be emphasized.

Solar Power Systems has conducted extensive research on solar installers in Delaware, encompassing an assessment of the solar panel companies’ customer service, the quality of solar panels they install, and the assurances they provide. Customer ratings on BBB, EnergySage, SolarReviews, and Yelp are also analyzed as part of this investigation. The goal is to assist Delaware homeowners in making an informed decision when selecting a solar panel company.

For example, to get a solar quote is not just about finding out how much a solar system will cost. Determining the potential electricity bill savings and the rate of return on investment are the fundamental concerns at hand. Also, it pertains to making a well-informed decision that features environmental benefits in addition to financial gains.

Thus, obtain a customized solar quote before proceeding with solar energy installation in Delaware.

Delaware’s Top Solar Panel Installers

Green Street Solar

Green Street Solar, established in 2008, is a solar panel installation company based in Selbyville, Delaware. Green Street Solar has made it to the prestigious Inc. 5000 list of fastest-growing private companies in America. The company didn’t just make it once, but four years in a row from 2017 to 2020.

It is its all-inclusive service that distinguishes Green Street Solar. All documentation, permits, and applications are handled by the organization on behalf of its clients. Furthermore, they bear the financial burden of permit fees, ensure compliance with utility company regulations, and oversee inspections. This guarantees their clientele a seamless and uncomplicated experience.

Green Street Solar’s installations are performed by NABCEP-accredited solar systems installers. Since they never subcontract their labor, this ensures superior quality.

Furthermore, Green Street Solar is dedicated to maximizing the return on investment for its clients. By facilitating the utilization of federal income tax credits and Solar Renewable Energy Credits (SRECs), the organization aids clients in substantially reducing the system’s overall expense. A 25-year warranty is provided on all solar panels, in addition to a 10-year workmanship warranty.

To facilitate the monitoring of solar performance for the benefit of its customers, Green Street Solar has developed a smartphone application.

CMI Solar & Electric

CMI Solar & Electric is a family-operated business that has been delivering electrical and solar installation services since 1998. With a team of licensed professionals prepared to assist you, this company services both commercial and residential properties in Pennsylvania, Maryland, and Delaware.

How is CMI Solar & Electric distinguished? CMI Solar & Electric stands out due to its proficiency skills and unwavering commitment to excellence. Achieving over 500 successful system installations in its 25-year tenure, the organization is comprised of two NABCEP-certified installers and a NABCEP-certified sales holder.

CMI Solar & Electric provides an all-encompassing array of solar provision services. This includes everything from consultations, quotes, and design concepts to professional installations, efficiency monitoring, and necessary repairs. Additionally, generator installations are a service provided by the company, which employs three Generac-certified installers.

That is not all, however. CMI Solar & Electric also offers an extensive array of electrical services, which include illumination, energy conservation, and general maintenance.

In addition to a 25-year manufacturer’s warranty on solar panels, CMI Solar & Electric provides customers with a 5-year warranty on solar installations to safeguard against installation errors.

SunnyMac Solar

With an impressive 15-year track record in the solar panel installation industry, SunnyMac Solar is a trusted name in both residential and commercial sectors across Delaware, Pennsylvania, and New Jersey.

Their reputation and dedication to excellence are strongly suggested by their credentials. A devoted member of the SEIA, they hold a license from the NABCEP, an accreditation from the BBB, and recognition from Tesla PowerWall.

Over 6,000 installations, spanning in capacity from 2 kW to 1 MW, have been accomplished by SunnyMac since its establishment in 2009. Their expertise extends to different installation methods, including roof and ground mount.

SunnyMac Solar handles all issues that arise from stage design to obtaining permits to actual installation. Additionally, they manage all requisite documentation, encompassing approvals for utility connections and applications for state incentives. They provide complimentary energy analysis services to individuals contemplating solar installation.

The distinguishing characteristic of SunnyMac is its comprehensive 25-year warranty, which ensures the performance, workmanship, and components of the solar system. The technical and financial efficacy of their system over a 25-year period can be conveniently monitored by consumers from any device, courtesy of their partnership with SolarEdge.

With a team of over 200 dedicated employees, SunnyMac Solar embodies its goal to “be better”, reflecting its commitment to quality in every project they undertake.

Clean Energy USA

Installing 18,000 kilowatts of renewable energy, Clean Energy USA (CEUSA) is a well-known solar installation company that has completed more than 1,800 projects with success since 2007. Demonstrating their dedication to excellence and client contentment, CEUSA was ranked among the top one hundred residential Delaware solar installers in 2020.

Being a part of the Schell Brothers Family of Companies, a leading builder of new homes, CEUSA enjoys access to a wealth of resources that sets it apart from the competition. This unique advantage allows them to deliver an exceptional service that few can match.

CEUSA solar panels have a 25-year warranty from the manufacturer, which gives customers confidence. As a company, we stand by the quality and longevity of our products, ensuring you can invest in a greener future with absolute peace of mind. In order to reduce the cost of solar installations, they additionally aid clients in optimizing the utilization of solar credits and tax incentives, such as the federal solar tax credit and the Rural Energy for America Program (REAP).

CEUSA offers electric vehicle (EV) charging stations in addition to solar energy panels. They take pride in their commitment to quality, using in-house installation teams to ensure better training and easier scheduling.

CEUSA is the local organization that garners the trust of householders in search of all-encompassing solar solutions and supplementary services.

Photo by Mariana Proença on Unsplash

Installation Process and What to Expect

After selecting a Delaware solar company, the installation process for your solar panels is relatively uncomplicated. It generally operates as follows:

  • Firstly, the solar panel companies will send a team of experts to your home to inspect your roof and electrical system.
  • Following the assessment, the installer will then design a solar system that is exactly suited to the requirements of your residence. The company will handle all requisite permits and documentation once you approve the design, as required by the state of Delaware.
  • The installation process itself is usually pretty quick, often taking between one to three days, depending on the size of the system. The team will mount the solar panels on your roof, connect them to an inverter, and integrate the system with your home’s electrical grid.
  • An inspection shall ensue subsequent to the installation to verify compliance with requisite standards and proper functionality of all components. After completing this assessment, the system will be prepared to be activated and commence utilizing solar energy.

Moreover, maintenance and warranty services are provided by the majority of Delaware solar companies. This means that for many years to come, they will assist in maintaining the effectiveness of your solar system so that it can continue to supply you with pure, renewable energy.

Our Verdict

After thorough research and analysis of the best solar installers in Delaware, our verdict is as follows:

  • Green Street Solar is an exceptionally reputable brand within the solar industry. Professional installation and superior warranties distinguish them as an excellent option for individuals seeking a solar experience devoid of anxiety. They attend to every aspect of their client’s needs, from A to Z. Their lack of power purchase agreements (PPAs) and the fact that they do not disclose equipment specifications until the design phase may be off-putting to certain individuals. Our final verdict: We’re still saying yes to them!
  • CMI Solar & Electric comes with a whopping 25 years of experience and a team of licensed pros. In addition to solar installations, they provide a myriad of other services. While their focus on electrical services might not be ideal for those looking for a purely solar company, their all-inclusive service is pretty impressive. Their solar installations are covered by a comparatively brief warranty period, which is the sole drawback. Our final verdict: We’re saying yes to them!
  • SunnyMac Solar is another top contender with its flexible payment options, all-inclusive 25-year guarantee, and a long list of successful installations. Tesla PowerWall certification and its partnership with SolarEdge are significant advantages. A low Yelp rating, nevertheless, indicates dissatisfied patrons, an issue that requires attention. Our final verdict: We’re saying yes to them!
  • Clean Energy USA has a solid reputation as a top-notch residential solar installer with a large number of projects under its belt. An abundance of resources is at their disposal due to their affiliation with the Schell Brothers Family of Companies. However, they only cover one state, and they don’t have a mobile app for system control, which might not work for some customers. Our final verdict: We’re still saying yes to them!

You may also like to read:

2024 Maryland Solar Panel Costs & Savings Guide

2024 New Hampshire Solar Panel Cost Guide | Prices & Savings

Pennsylvania Solar ROI: Payback Period for Panels



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