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For Your Fairfield CT Home


A team of 45+


in CT


1000’s of CT

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ISP's National Champion

Donovan Clingan


Quality Beyond

Quality is at the heart of what we do. That’s why we put quality at the forefront in every step of our design and installation process. All of our installation is done by our local in house technicians.


Local Fairfield, CT Solar Installation Experts

Headquartered in Middlebury, our team has designed and deployed thousands of systems in state and backed by an industry leading 25 year warranty.

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Leading Solar Company in CT

Find out why 1000's of satisfied customers in Connecticut harnessed the power of the sun with Ion Solar Pros (iSP) . Our headquarters in Middlebury, Connecticut, serves as the hub for our knowledgeable and friendly team of solar professionals. Don't miss out on the opportunity to start saving on your energy bills while making a positive impact on the environment.



Fairfield’s #1 Rated Installer


Fully Licensed and Insured


Offers Only Tier 1 Equipment

Reviews from CT homeowners


I couldn't be happier with the entire process. Allison made it so stress free. The entire install team was very professional and had the system installed in a day and had it online within a week. The entire process took less than 3 months as promised. I highly recommend ISP if your getting solar.

Maurice Davies

Start with your Free Estimate

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ISP Solar Energy Company | A Game-Changing Solar Electric Company in Fairfield, CT

Join the movement towards cleaner, more sustainable energy with ISP Solar Energy Company in Fairfield, CT. We're here to help you lead the way in transforming how you generate, use, store, and even sell your own power. 


Our world is at a critical juncture. Fossil fuel emissions are a major contributor to global warming, with potentially irreversible consequences by 2030 if we don't act now. The solution? ISP PowerLink PowerHouse Systems. 


Say goodbye to grid outages, reduce your carbon footprint, and embrace a reliable, sustainable energy source. When you're searching for "solar installers near me," or “solar power companies near me” we're your local partner in making this sustainable future a reality.

Why We’re the Best Choice in Town | Best Solar Power Installers Near Me

As one of the best solar companies near you, we specialize in harnessing the sun's energy to generate, use, store, and sell clean, renewable power. Join us to make your world cleaner, sustainable, and financially smarter.

Empowering Monitoring and Control

Track your solar system's performance, access panel-level production details, monitor grid interactions, and reach out to our dedicated support team — all at your fingertips. 

Pinnacle of Efficiency with Premium Panels

Our top-tier monocrystalline panels feature anti-reflection technology and a minimum percent module efficiency of 20%. These panels outperform competitors in low-light conditions, handle shade gracefully, and maintain peak performance throughout their lifespan. 

Industry-Leading Warranty Assurance

Quality assurance is our hallmark. Every ISP Solar Energy Company system is meticulously designed to harmonize seamlessly, backed by comprehensive warranties from our Tier 1 technology providers and validated by our position as a top solar company.

Mastering Design & Installation as an Art Form

Our certified installers are among the best in the solar industry, delivering top-tier quality, craftsmanship, and professionalism. We ensure optimal performance with elegant aesthetics. 

When searching for the best “solar companies near me" or "solar providers near me," look no further than ISP Solar Energy Company — the local experts committed to transforming your energy consumption.

Switch to Solar Energy at Home | Top Benefits for Homeowners

One of the most effective and eco-friendly solutions is to switch to solar energy at home. We’re here to illuminate the myriad of benefits that come with this transition.

Significant Cost Savings

One of the primary reasons homeowners are turning to solar energy is the potential for significant savings on electricity bills. With Solar Energy Company, you can harness the power of the sun and reduce your reliance on traditional energy sources.

Increase Property Value

Homes equipped with solar installations often see an increase in property value. Prospective buyers recognize the long-term savings and environmental benefits, making your home a hot commodity in the real estate market.

Energy Independence

Relying on traditional energy sources means being at the mercy of fluctuating prices and potential shortages. With solar energy, you gain a degree of independence. No longer will you be tethered to the grid or affected by external factors. 

Reliable and Low Maintenance

With solar installers near you, you get a system that's built to last. Sunpower solar panels are durable, and once installed, they require minimal maintenance. 

Access to Incentives and Tax Breaks

Governments and local authorities often provide incentives to homeowners who make the switch to solar. You can take advantage of these benefits, further reducing the overall cost of installation.

What Solar Incentives in Connecticut Can You Enjoy? | Solar Installation Companies Near Me

With a plethora of incentives and programs for Connecticut residents, homeowners and businesses can enjoy significant savings and benefits.

Energy Conservation Loan Program

This program offers homeowners the opportunity to receive a loan for up to $25,000 towards emergency energy efficiency home improvements, including renewable energy systems. 

Property Tax Exemption

Renewable energy systems, including solar installations, are exempt from property taxes in Connecticut. This exemption means that you're not only saving on energy costs but also on property taxes. 

Residential Clean Energy Credit

Homeowners can apply through the IRS for a federal tax credit of up to 30% for solar systems installed from 2022 through 2032. The credit decreases in subsequent years and, unless renewed, expires in 2035.

Residential Renewable Energy Solutions Program

This program allows solar owners to choose from two incentive rate structures. They can receive credits toward electricity bills and sell renewable energy certificates. This initiative replaced Connecticut's net metering program.

Sales Tax Exemption

Solar panel systems are exempt from sales tax in Connecticut. This exemption further reduces the overall cost of transitioning to solar. Whether you're looking for commercial solar company services or residential solutions, you can enjoy this benefit.

Residential and Commercial Solar Company That Meets Your Needs

Whether you're a homeowner looking to save more than just money with solar or a business owner aiming to increase profitability, we've got you covered. 

Residential Solar

What do you really save with solar energy? With ISP Solar Energy Company, you save more than just money. Our residential solar solutions help you:


  • Save Time: Say goodbye to the hassle of grid outages.

  • Save Money: Watch your electricity bills shrink as you generate your clean energy.

  • Save the Earth: Reduce your carbon footprint and contribute to a cleaner, healthier planet. 

  • Save Fossil Fuels: Each watt of solar energy produced takes us a step closer to reducing our dependence on fossil fuels. 

Bundled with Advanced Microinverters

Our residential systems feature the smartest microinverters yet. With these microinverters, you'll benefit from grid-forming solar panel microinverters with split-phase power conversion capability, ensuring your energy conversion is both effective and sustainable.

Commercial Solar

Why invest in solar for your commercial property? Partnering with us offers you a multitude of benefits:


  • Reduce Operating Expenses: Enjoy reduced operational costs for over 25 years.

  • Increase Equity: Take advantage of depreciation benefits while increasing your property's value.

  • Boost Profitability: Improve your business's bottom line.

  • Lower Tax Liability: Benefit from tax incentives while distinguishing your business as environmentally conscious.

Tailored Solar Projects for Businesses

We offer turn-key solar projects designed specifically for small and medium-sized businesses. Our services, delivered by experienced solar energy contractors, include:


  • Design, engineering, and material sourcing

  • Permitting, construction, and inspection management

  • Utility grid connection

  • Comprehensive project management

  • Post-installation energy monitoring for performance assurance

Highest Efficiency Panels Available

Our commitment to quality is evident in our monocrystalline panels with anti-reflection technology, boasting a minimum module efficiency of 20%. These panels outperform competitors in low-light conditions, handle shade gracefully, and maintain peak performance throughout their lifespan. 

FAQs About the Best Solar Panel Companies

What sets the best solar panel companies apart from the rest?

The best solar panel companies, like ISP Solar Energy Company, stand out due to their commitment to quality, advanced technology, exceptional customer service, and industry-leading warranties. They offer top-tier solar solutions, ensuring both performance and reliability.

How do I find the best solar installation companies?

To find the best solar installation companies near you, start by conducting an online search using keywords "solar panel companies near me." Additionally, ask for referrals from friends, family, or colleagues who have had positive experiences with solar companies. 

What should I consider when choosing solar panel manufacturers for my project?

When selecting solar panel manufacturers, factors to consider include panel efficiency, warranty coverage, durability, and reputation. Look for manufacturers known for producing high-quality, reliable panels backed by comprehensive warranties.

Can you recommend any top solar companies known for their exceptional service and products?

Certainly! ISP Solar Energy Company is recognized as one of the leading solar companies in the industry, offering top-tier residential and commercial solar solutions. We pride ourselves on quality, innovation, and outstanding customer care.

How do I assess the leading solar companies to determine the right one for my needs?

Review their customer testimonials, check their track record of completed projects, inquire about warranties, and assess the technology they offer. Look for companies that align with your goals for sustainability and cost savings.

Unlock the Full Potential of Clean Energy With ISP Solar Energy Company

At ISP Solar Energy Company, we're committed to providing top-tier residential and commercial solar solutions tailored to your unique needs. Our team of expert solar energy contractors is ready to guide you towards a sustainable and cost-effective energy solution. Get started today!

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