Connecticut's Top 24 Energy Storage Providers
Connecticut's Top 24 Energy Storage Providers
The energy storage sector in Connecticut is a vibrant industry featuring a diverse range of companies. These businesses offer a variety of services and products, including innovative battery technologies, clean power generation, and energy systems optimized for decarbonization. As the world shifts to more sustainable energy habits, Connecticut’s sector is rising to the challenge, providing solutions across multiple industries like utilities, transportation, or commercial applications. Moving forward, these businesses are set to play a critical role in shaping a more efficient, environmentally-friendly future.
Top 24 energy storage companies in Connecticut
1. FuelCell Energy
- Website: fuelcellenergy.com
- Headquarters: Danbury, Connecticut, United States
- Founded: 1969
- Headcount: 501-1000
- Latest funding type: Grant
FuelCell Energy is a company that offers efficient and clean solutions for decarbonizing power and producing hydrogen. They provide platforms for distributed power generation, fuel cell platforms, solid oxide electrolysis, and energy storage. Their solutions cater to various industries such as power utilities, microgrids, industrial applications, transportation, buildings, and waste management. They also offer energy services and have a strong focus on carbon capture and tri-generation. FuelCell Energy aims to enable the transition to clean energy and contribute to a sustainable future.
2. Hbl America INC.
- Website: hblbatteries.com
- Headquarters: Rocky Hill, Connecticut, United States
- Headcount: 1001-5000
HBL Power Systems Limited is a battery manufacturing company that specializes in designing and supplying niche specialized batteries and electronics for a range of industrial, commercial, and domestic applications. They offer a variety of batteries, including nickel cadmium, sintered plate, fibre plate, valve regulated lead acid, tubular gel VRLA, pure lead, and specialized lithium batteries.
3. Greenskies Clean Focus
- Website: greenskies.com
- Headquarters: North Haven, Connecticut, United States
- Founded: 2009
- Headcount: 51-200
- Latest funding type: Acquired
Greenskies is a vertically-integrated solar energy company offering decarbonization solutions like onsite and offsite solar, battery storage, microgrids, and CCHP. They are dedicated to quality and operational excellence and work with commercial, public sector, and utility energy users throughout the US. With a single delivery team, Greenskies originates, develops, constructs, and operates renewable energy facilities.
4. Altus Power, Inc.
- Website: altuspower.com
- Headquarters: Stamford, Connecticut, United States
- Founded: 2009
- Headcount: 51-200
- Latest funding type: Post Ipo Debt
Altus Power offers locally-sited solar generation, energy storage, and EV-charging stations to customers across the U.S. Find savings and reliable renewable energy for commercial, industrial, public sector, and Community Solar customers.
5. Cadenza Innovation, Inc.
- Website: cadenzainnovation.com
- Headquarters: Danbury, Connecticut, United States
- Founded: 2012
- Headcount: 11-50
- Latest funding type: Corporate Round
Cadenza Innovation is a provider of supercell technology for the cell, module, and pack/rack, offering safe, reliable, and high-energy density solutions at low cost for EV, PHEV, energy storage, and telecom markets.
6. PurePoint Energy
- Website: purepointenergy.com
- Headquarters: Norwalk, Connecticut, United States
- Founded: 2007
- Headcount: 11-50
PurePoint Energy is a solar energy company that specializes in providing superior, customized solar energy installations and energy storage solutions for agricultural properties, commercial properties, and non-profits. They offer free consultations and support post-installation, serving clients nationwide in the United States. Whether for apartment buildings, warehouses, schools, or non-profit facilities, PurePoint Energy helps businesses get started with solar panels and offers grants for nonprofit organizations.
7. Powr2
- Website: powr2.com
- Headquarters: Bethel, Connecticut, United States
- Founded: 2018
- Headcount: 11-50
POWR2 is a company that provides sustainable energy storage solutions for the clean energy industry. They offer reliable and portable power solutions for various applications and industries.
8. Rae Storage Battery Co
- Website: raestoragebattery.com
- Headquarters: Berlin, Connecticut, United States
- Headcount: 11-50
Raestoragebattery.com offers high-quality, durable and sustainable storage batteries for residential, commercial and industrial purposes.
9. Ross Solar, a ConEdison Solutions Company
- Website: rosssolar.com
- Headquarters: Brookfield, Connecticut, United States
- Founded: 2007
- Headcount: 11-50
Con Edison Solutions is a company that specializes in custom solar power systems for homes and businesses in the northeastern region. They have extensive knowledge of the local climate, incentive programs, utility requirements, and building regulations. With an in-house design team and experienced installers, they provide affordable and tailored solar solutions. Their expertise, integrity, and financial stability set them apart in the industry.
10. Louth Callan Renewables
- Website: louthcallanrenewables.com
- Headquarters: Suffield, Connecticut, United States
- Founded: 2018
- Headcount: 51-200
Louth Callan Renewables develops, constructs, and maintains clean, renewable-energy projects in the United States, specializing in solar solutions. They offer workmanship warranties and operations and management agreements to ensure optimal functioning of the systems. LCR procures top-level equipment manufacturers and investment-grade panels for their projects.
11. Solar Industry Magazine
- Website: solarindustrymag.com
- Headquarters: Southbury, Connecticut, United States
- Founded: 2008
- Headcount: 51-200
Solar Industry is a magazine that provides news and insights on the solar power industry. The publication covers the latest developments in technology, policy, and finance related to solar energy.
12. Sunzer0
- Website: sunzer0.com
- Headquarters: New York, Connecticut, United States
- Founded: 2020
- Headcount: 51-200
Sunzer0 is a clean energy transition company that provides solar installations for residential and commercial buildings. They offer high power output and battery storage to reduce electricity bills and provide sustainable energy solutions.
13. Global Power &a; Energy Elites
- Website: global-energy-elites.com
- Headquarters: Trumbull, Connecticut, United States
- Headcount: 1-10
The Global Power & Energy Elites is an annual journal produced by Smart Energy International in collaboration with the Clarion Power & Energy Series
14. Ion Solar Pros
- Website: ionsolarpros.com
- Headquarters: Wolcott, Connecticut, United States
- Founded: 2019
- Headcount: 11-50
Ion Solar Pros is a solar energy solutions provider that helps customers produce, store, and generate revenue for years to come. They offer customized solar systems for residential and commercial properties, along with end-to-end support. The company's goal is to provide customers with sustainable power and significant savings.
15. AltEnergy, LLC
- Website: altenergyllc.com
- Headquarters: Norwalk, Connecticut, United States
- Headcount: 11-50
AltEnergy LLC is an entrepreneurial investor in alternative energy projects.
16. Smart Roofs CT
- Website: smartroofsct.com
- Headquarters: Trumbull, Connecticut, United States
- Founded: 2013
- Headcount: 11-50
Smart Roofs Solar is a commercial solar company that offers energy solutions to help businesses reduce their monthly electricity costs and create more predictability with their expenses. They provide guidance on utilizing State and Federal incentives for solar energy, and focus on delivering outstanding long-term returns for businesses.
17. Waldo Renewable Electric
- Website: waldorenewable.com
- Headquarters: Old Saybrook, Connecticut, United States
- Headcount: 1-10
Waldo Renewable Electric, LLC is a local solar installation company that prides itself on integrity. We service and install solar power systems in southeast Connecticut. You won't find any empty promises or hollow personal 'guarantees' here, only the commitment of our family. Waldo Renewable Electric, LLC is committed to the pillars of quality and consistency in every solar installation.
18. Reliable Oil
- Website: reliableenergyct.com
- Headquarters: Portland, Connecticut, United States
- Headcount: 11-50
Reliable Energy is a company that offers a range of renewable energy and energy efficiency solutions to residential and commercial customers. They provide solar panel installation, energy audits, battery storage, and more.
19. Yale Environment 360
- Website: e360.yale.edu
- Headquarters: New Haven, Connecticut, United States
- Founded: 2008
- Headcount: 1-10
Yale Environment 360 is an online magazine offering opinion, analysis, reporting, and debate on global environmental issues. We feature original articles by scientists, journalists, environmentalists, academics, policy makers, and business people, as well as multimedia content and a daily digest of major environmental news. View all our content at Yale Environment 360 and add your comments to the discussion. Plus, follow us on Facebook (facebook.com/YaleEnviro360) and Twitter (twitter.com/YaleE360).
20. Apollo Solar
- Website: apollosolar.com
- Headquarters: Bethel, Connecticut, United States
- Founded: 2003
- Headcount: 11-50
Apollo Solar offers power generation equipment for remote telecom sites, providing pure solar and hybrid configurations that enable telecommunications companies to deliver services in challenging locations. Their off-grid systems increase reliability and reduce power costs. They specialize in telecom power products, including solar controllers, inverters, and pre-wired panels. Apollo Solar's solutions have proven reliability in challenging environments such as jungles, deserts, mountains, and coastlines. They also offer remote monitoring for minimal downtime. Their goal is to achieve maximum reliability and efficiency while reducing operational expenses and CO2 emissions.
21. Perfect Power LLC
- Website: perfectpowerllc.com
- Headquarters: Stamford, Connecticut, United States
- Founded: 2019
- Headcount: 1-10
Perfect Power is a company that provides various services related to power generation and control.
22. Premier Improvements Solar
- Website: premierimprovementsone.com
- Headquarters: West Hartford, Connecticut, United States
- Founded: 2020
- Headcount: 1-10
Premier Improvements Solar is a solar installation company that offers solar installation services, home solar panel installers, solar panel battery storage systems, new roof with solar panels, and ground-mounted solar installations.
23. Utility Communications Inc
- Website: utilitycommunications.com
- Headquarters: Hamden, Connecticut, United States
- Headcount: 11-50
Utility Communications is a company that offers a range of communication solutions for utility companies. They provide innovative technologies and services to help improve communication efficiency and reliability within the utility industry.
24. Seaboard Solar Operations, LLC
- Website: seaboardsolar.com
- Headquarters: New Milford, Connecticut, United States
- Founded: 2007
- Headcount: 11-50
Seaboard Solar is a renewable energy company that focuses on developing utility-scale solar photovoltaic generating facilities and energy storage installations in the Northeast region of the US. The company owns the land on which they operate their projects, and they work closely with local municipalities to provide financial benefits to schools and institutions in the area.
Want to find more energy storage companies?
If you want to find more companies that offer innovative solutions like battery technologies and clean power generation you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.
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- Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!
