Top Solar Companies in Delaware

Solar Power Systems
12 min readAug 15, 2024

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Despite its varying weather conditions, solar energy is a practical solution for Delaware homeowners looking to trim their energy bills. You might be surprised to learn that even snowy or less sunny days don’t significantly hamper the production of solar energy. Take Germany as an example — a country with less sunlight, yet it leads the world in solar energy production.

Choosing the right solar company is a crucial step in this energy transition. To make this transition even easier, you can go to our SolarPowerSystems web platform. We have conducted extensive research on Delaware solar companies, offering you comprehensive information to help you make an informed decision. Our platform functions like a search engine, presenting solar companies based on their service range, customer reviews, experience, and local dedication. Remember, our team of experts is always ready to provide personalized solar quotes based on your specific needs.

Delaware Solar Landscape

Despite its diminutive size, Delaware is a solar energy powerhouse. The state is home to 50 Delaware solar companies, which include 11 manufacturers, 26 installers/developers, and 13 others. As of the third quarter of 2023, the total solar capacity in Delaware has reached 261 MW.

Solar energy currently supplies power to 32,789 residential properties in the state, accounting for an enormous 6.06% of the state’s electricity portfolio. Delaware is making remarkable progress in solar energy, accounting for 559 solar jobs and a $643 million investment.

view of solar panels against a cloudy sky
Source: Javea Travel Guide

An optimal location for solar energy generation, Delaware experiences an average of 200 sunny days per year. The average daily optimum sunlight hours stand at 4.6, providing ample opportunities for solar power. Delaware solar panels operate most efficiently at lower temperatures; therefore, the state’s temperate climate also contributes to this benefit.

In 2022, natural gas was the primary source of power, providing 87% of all energy needs. However, a recent legislative measure requires utility companies to source 40% of their energy from renewable sources by 2035, with solar energy making up 10% of that total. This, coupled with the fact that excess energy generated by solar systems can be fed back into the grid, makes solar energy an increasingly appealing option.

Factors to Consider When Choosing a Solar Company

Choosing the right Delaware solar company to meet your energy needs is more than just picking the cheapest option or the one with the most eye-catching ads. The installer who possesses the requisite expertise comprehends your unique requirements and has a good track record of success in Delaware, which is precisely what is involved. Throughout and following the installation of your solar panels, you want a business that prioritizes its clients and is readily available to address any inquiries or concerns that may arise.

Remember, going solar is a long-term investment. Throughout the process of transitioning to solar energy, you will require a companion by your side. A partnership that can assist you in maximizing your investment in solar energy is more important than price alone.

A number of crucial factors should be taken into account when comparing Delaware solar companies:

  1. Make sure you understand all the components of your solar system.
  2. Check that the company you choose adheres to all the relevant legal and industry standards.
  3. Examine their warranties and service commitments.
  4. Prior to making any decisions in Delaware, consult customer evaluations.

A solar company that demonstrates a commitment to quality service and customer satisfaction, in addition to competitive pricing, is, in summary, the ideal choice for you.

Quality and Efficiency of Solar Panels

Central to each solar system are the solar panels. But remember, all solar panels are not created equal. When comparing different solar panel companies, it’s important to examine the features of their solar panels closely. You not only optimize your system but also reduce your energy expenses by selecting solar panels with greater efficiency. In Delaware, solar panels typically have an average efficiency of 15–20%. Keep this factor in mind while researching solar panels in Delaware.

Licensing, Insurance, and Credentials

Verifying the installer’s license and insurance coverage is imperative prior to proceeding. Installers who adhere to Delaware’s regulations demonstrate that they are authentically invested in their business and not merely concerned with compliance. Alternatively, insurance is indispensable in the event that unforeseen complications arise during the installation process.

The certification of a company by the North American Board of Certified Energy Practitioners (NABCEP) signifies its commitment to upholding industry standards. With this certification, the company demonstrates its professionalism and dedication to business.

Warranty and After-Sales Service

Taking into account their remarkable lifespan, which frequently exceeds 30 years, solar panels are a profitable investment. An additional benefit is that a considerable portion of the life of your solar panel is backed by a 25-year product warranty offered by many manufacturers.

The significance of after-sales service, nevertheless, must not be neglected. Choose a Delaware installer who provides warranty support for the installation of solar panels when making your selection. This ensures you’ll have professional assistance on hand if any issues arise.

Customer Reviews and Testimonials

Reading client evaluations of Delaware installers can teach you a great deal about their performance. Consider examining reputable online review platforms that specialize in solar, such as Yelp or Google reviews. These platforms give you a peek into the experiences of previous customers. A multitude of positive evaluations indicates that an installer is generally regarded as reliable and has satisfied clients.

Costs and Financing Options

It’s crucial to note that the average cost per watt, including installation, for solar panels in Delaware is around $2.61. This price isn’t set in stone, though, it can vary based on factors such as the size of the system you’re installing and the complexity of the installation process. It is advisable to purchase comprehensive estimates from multiple Delaware solar energy providers in order to obtain a realistic estimate of the cost.

Further, numerous of these companies provide flexible financing options. These can include everything from straightforward cash purchases and solar loans to leases or power purchase agreements (PPAs).

Green Street Solar

Solar panel installation company Green Street Solar, founded in 2008 and headquartered in Selbyville, Delaware, has garnered a stellar reputation for its proficiency.

Comprehensive service is what differentiates Green Street Solar. The company takes care of all the paperwork, permits, and applications for its clients, even going as far as to cover the cost of permit fees. They supervise all inspections and ensure compliance with utility company regulations, keeping their clients informed throughout the process.

view of a beautiful, well-kept house with solar panels and a swimming pool
Source: AAA

Quality is a top priority for Green Street Solar. The company’s installations are carried out by NABCEP-accredited solar systems installers, and they never subcontract their work. Customers are assured of the highest quality of service through this dedication to excellence.

An additional objective of Green Street Solar is to optimize its clients’ return on investment. They substantially reduce the overall cost of the system by assisting clients in claiming federal income tax credits and solar renewable energy credits (SRECs). Additionally, they guarantee their workmanship for a period of 10 years and provide a 25-year warranty on all solar panels.

Clients have the ability to monitor the efficacy of their solar panels via a smartphone application invented by Green Street Solar. The company stands out in the solar industry due to its exceptional customer service and unwavering commitment.

CMI Solar & Electric

Specializing in solar and electrical installation since 1998, CMI Solar & Electric is a family-owned and operated business. They service residential and commercial properties in Delaware, Maryland, and Pennsylvania via a team of licensed professionals.

How is CMI Solar & Electric distinguished? Their unwavering commitment to quality and technical prowess gives them an advantage. A NABCEP-certified sales holder and two NABCEP-certified installers work in their team, which has completed more than 500 successful system installations over the course of 25 years.

An extensive array of solar services is offered by CMI Solar & Electric. This covers everything from initial consultations and quotes to design concepts, professional installations, efficiency monitoring, and necessary repairs. Their staff additionally consists of three Generac-certified installers who are responsible for generator installation.

That is not all, however. Lighting, general maintenance, and energy conservation are a few of the additional electrical services offered by CMI Solar & Electric.

To top it all off, they offer a 25-year manufacturer’s warranty on solar panels and a 5-year warranty on solar installations. You can have confidence in CMI Solar & Electric.

SunnyMac Solar

This trusted name is well-known across Delaware, Pennsylvania, and New Jersey in both residential and commercial sectors. In addition to being recognized by Tesla PowerWall, they hold a NABCEP license and BBB accreditation and are a proud member of the SEIA.

More than 6,000 installations, spanning capacities of 2 kW to 1 MW, have been successfully completed by SunnyMac since its inception in 2009. They’re experts in various installation methods, including roof and ground mount.

A comprehensive approach is what distinguishes SunnyMac Solar. They handle everything, including the design stage, permit acquisition, and installation itself. The company oversees the entirety of the requisite paperwork, which comprises utility connection approvals and state incentive applications. Also, individuals who are contemplating solar installation are offered complimentary energy analysis services.

SunnyMac provides a 25-year warranty on its solar systems. The parts, workmanship, and functionality of the solar system are all covered by this warranty. Customers can conveniently track the financial and technical efficacy of their system for a duration of 25 years from any device, courtesy of their partnership with SolarEdge.

Clean Energy USA

Clean Energy USA (CEUSA) has solidified its position as a market leader in solar installation with a track record of rolling out 18,000 kilowatts of renewable energy. As a testament to its dedication to excellence and client contentment, the company has effectively concluded more than 1,800 projects since its establishment in 2007. In 2020, CEUSA was ranked among the top one hundred residential Delaware solar installers due to its commitment.

CEUSA has a major competitive advantage due to its affiliation with the Schell Brothers company, a renowned builder of new homes. The company is capable of providing an unparalleled level of service due to its access to a wide range of resources.

When it comes to their solar panels, CEUSA offers a 25-year manufacturer’s warranty. They stand behind the quality and durability of their products, giving consumers confidence in their investments.

CEUSA assists clients in maximizing solar credits and tax incentives to alleviate financial strain from installations. Combined with the Rural Energy for America Program (REAP) and the federal solar tax credit, this reduces the cost of solar energy for everyone going solar in Delaware.

In addition to solar energy panels, CEUSA also offers electric vehicle (EV) charging stations. They are committed to quality, using in-house installation teams for better training and scheduling.

Get Solar Quote

Getting your personalized solar plan is a step-by-step process that requires careful consideration and planning. Here’s how you can get started:

Step 1. Understand Your Energy Needs: The first step to getting a solar quote is to assess your energy needs. Look at your electricity bills for the past year to get an idea of how much electricity you use on average each month. This will help you estimate the size of the solar system you’ll need.

Step 2. Research Solar Companies: After determining your energy needs, start researching solar companies in Delaware. Our website, SolarPowerSystems.org, is a great place to start. We offer in-depth reviews of top Delaware solar companies, including their experience, customer reviews, certifications, and the quality of the equipment they use. This information will help you shortlist potential companies for your solar installation.

Step 3. Get a Solar Quote: Once you’ve shortlisted a few companies, it’s time to get a solar quote. Contact these companies and request a personalized quote. Make sure the quote includes the cost of equipment, installation, and any additional services like maintenance or financing options.

Step 4. Evaluate Quotes: Carefully evaluate the quotes you receive. Don’t just look at the cost — consider the quality of the equipment, the warranties offered, and the company’s reputation. The cheapest option might not always be the best one. It’s important to ensure that you’re getting good value for your money.

Step 5. Contact Your Preferred Installer: After evaluating the quotes, contact your preferred installer to discuss your solar plan in detail. They should be able to answer any questions you have and guide you through the next steps of the process.

Step 6. Schedule an On-site Assessment: Before the installation process begins, the company will likely conduct an on-site assessment. This will help them evaluate your property’s suitability for solar panels and finalize the design of your solar system.

Installation Process and What to Expect

The initial phase in the process of harnessing solar energy begins with the selection of a solar company in Delaware. Solar panel installation is a relatively simple procedure that entails the following:

  • Step 1. A team of specialists will be dispatched to your residence by the solar company. In order to verify that everything is in order, they will examine your roof and electrical system.
  • Step 2. The installer will design a solar system that is specifically tailored to your home after conducting a comprehensive assessment.
  • Step 3. An average of one to three days, contingent upon the scale of the system, is required for the installation procedure, which is typically straightforward. Integrating the solar panels with the residential electrical system and mounting them to the roof are the tasks that the team will perform.
  • Step 4. A post-installation inspection is conducted to verify that all components are functioning effectively and that the installation was completed as specified. Your system is prepared to be operated on and begin harnessing solar energy once this evaluation is complete.
view of the street and houses with solar panels on the roof
Source: Vox

What’s more, most solar companies in Delaware offer maintenance and warranty services. This will safeguard your home’s supply of pure, renewable energy for an extended period of time by assisting in the maintenance of your solar system’s optimal functionality.

Our Verdict

After conducting comprehensive research and analysis on the top solar installers in Delaware, here’s the breakdown:

  • Their impeccable reputation distinguishes Green Street Solar within the solar industry. They offer professional installation and superior warranties, making them an excellent choice for those seeking a stress-free solar experience. However, some might find their lack of PPA options and undisclosed equipment specifications until the design phase a bit disconcerting. Despite these minor drawbacks, Green Street Solar is still highly recommended.
  • CMI Solar & Electric brings an impressive 25 years of experience and a team of licensed professionals to the table. Solar installation is among the many services that they provide. Their comprehensive service is praiseworthy despite the fact that their emphasis on electrical services may not be optimal for homeowners seeking a dedicated solar company. Solar installation warranties are comparatively brief, which is the only drawback. CMI Solar & Electric remains a dependable option, however.
  • SunnyMac Solar is a strong competitor with flexible payment options, an inclusive 25-year guarantee, and a wealth of successful installations. A partnership with SolarEdge and Tesla PowerWall certification confers substantial benefits. However, their low Yelp rating suggests some customer dissatisfaction, which needs to be addressed. SunnyMac Solar remains a highly recommended option, notwithstanding this.
  • Clean Energy USA has earned a solid reputation as a top residential solar installer, having implemented a large number of successful projects. Sufficient resources are at their disposal due to their association with the Schell Brothers family of companies. Their coverage is limited to one state, and they lack a mobile app for system control which might not suit some customers. Despite these minor limitations, Clean Energy USA remains the right choice in the solar installation industry.

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Solar Power Systems
Solar Power Systems

Written by Solar Power Systems

We are leading digital platform dedicated to providing comprehensive information about solar panel installation and evaluating solar panel providers in the USA.