The energy storage industry in Pennsylvania comprises a range of companies that offer cutting-edge solutions. These companies specialize in delivering products like batteries, chargers, renewable energy systems, and related services, catering to various sectors such as telecommunications, industrial, utility, and broadband. They are poised to serve the power needs of today and are paving the way for a more sustainable and energy-efficient future. This article covers the top 24 energy storage companies in Pennsylvania, shedding light on their areas of specialization and service offerings.


Top 24 energy storage companies in Pennsylvania

1. EnerSys

  • Website: enersys.com
  • Headquarters: Reading, Pennsylvania, United States
  • Founded: 1996
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Enersys is a company that offers energy solutions and power storage systems. They specialize in providing batteries, chargers, and energy storage solutions for various applications, including telecommunications, renewable energy, and industrial sectors.


2. C&D Technologies

  • Website: cdtechno.com
  • Headquarters: Horsham, Pennsylvania, United States
  • Founded: 1906
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

C&D Technologies is a global leader in energy storage solutions and services for various industries, including telecommunications, utility, uninterruptible power supply, cable, broadband, and renewable energy. They offer high-quality and reliable power storage products and services.


3. Aquion Energy

  • Website: aquionenergy.com
  • Headquarters: Pittsburgh, Pennsylvania, United States
  • Founded: 2008
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Aquion Energy specializes in energy storage solutions and clean technologies. They offer a range of products, including deep-cycle batteries, solar systems, and rechargeable batteries. With a focus on sustainability and reducing carbon footprints, Aquion Energy is dedicated to providing reliable and efficient energy solutions.


4. Fortress Power

  • Website: fortresspower.com
  • Headquarters: Southampton, Pennsylvania, United States
  • Founded: 2016
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

Fortress Power is a company that offers innovative energy storage solutions. Their products include batteries, energy storage systems, and enclosures. They provide power outage protection, reduce peak charges, and support off-grid and zero grid export. With competitively priced and easy-to-install products, Fortress Power helps customers save on energy costs.


5. Miller Bros Solar

Miller Bros Solar is a company that provides battery energy storage services, inverter services, and performance engineering for solar PV projects. They are known for managing over 12 GW of commissioned solar projects nationwide and have a dedicated team of professionals. Contact them for more information.


6. Premier Power Solutions

Premier Power Solutions provides energy efficiency consulting services and clean energy sourcing solutions. They help organizations transition to a sustainable energy strategy, achieve their energy and sustainability goals, and maximize savings. With expertise in demand management, peak load management, and demand response, they offer predictive analytics and utility bill analysis to optimize energy utilization. They also specialize in distributed generation, onsite solar, and onsite battery storage. Premier Power Solutions is dedicated to helping businesses integrate renewable energy technologies and navigate the changing energy industry.


7. Alencon Systems LLC

Alencon Systems is a power electronics company specializing in technologies like solar, battery energy storage, electric vehicles, and hydrogen fuel cells. They offer unique DC to DC optimizers and central inverters that increase energy yield and drive down deployment costs for cleaner sources of power.


8. E-Finity Distributed Generation, LLC

  • Website: e-finity.com
  • Headquarters: Wayne, Pennsylvania, United States
  • Founded: 2000
  • Headcount: 11-50
  • LinkedIn

E-Finity is a distributed generation company that specializes in microturbine technology. They offer solutions in primary power, combined heat and power (CHP), microgrids, solar and battery energy storage, renewable fuels, and gas cooling. With a focus on clean energy and sustainability, E-Finity helps their customers reduce carbon emissions and increase energy efficiency.


9. MaxPower Inc.

  • Website: maxpowerinc.com
  • Headquarters: Harleysville, Pennsylvania, United States
  • Founded: 1995
  • Headcount: 11-50
  • LinkedIn

MaxPower is a company that believes in advancing energy storage, delivery, and usage by pushing the limits of technology. They specialize in special-purpose lithium-ion batteries for situations where off-the-shelf solutions are not available.


10. ConnectDER

  • Website: connectder.com
  • Headquarters: Philadelphia, Pennsylvania, United States
  • Founded: 2011
  • Headcount: 11-50
  • Latest funding type: Series B
  • LinkedIn

ConnectDER is a company that unlocks the potential of Distributed Energy Resources (DERs) by turning the meter socket into a versatile plug-in point for solar, storage, and electric vehicles (EVs). They integrate solar, energy storage, EVs, and more, reducing interconnection time to minutes. ConnectDER offers meter collars that can be easily installed by utilities and installers, allowing seamless integration of DERs with the grid. They provide simple and transformative solutions that enhance customer safety, choice, and cost while increasing DER installation.


11. WindStax Energy

  • Website: windstax.com
  • Headquarters: Pittsburgh, Pennsylvania, United States
  • Founded: 2012
  • Headcount: 1-10
  • Latest funding type: Acquired
  • LinkedIn

WindStax Energy is a full-service developer of integrated renewable energy solutions, combining wind energy with PV and storage in turnkey solutions. They make the largest vertical wind turbines in the US and offer award-winning wind and solar microgrids.


12. Windurance LLC

Windurance designs and delivers performance-optimized wind turbine blade pitch technologies and power conversion equipment. In operation for more than 20 years, Windurance has accumulated vast knowledge and experience with hub-proven technology and a reputation for high performance products that consistently meet the needs of customers in the Wind Energy market. Windurance has an installed base of products in wind turbines totaling 3GW of generation and leverages decades of experience in blade pitch control systems to provide fit-for-purpose products to the wind industry and beyond.


13. Innotap, an MCG Company

  • Website: innotap.com
  • Headquarters: King Of Prussia, Pennsylvania, United States
  • Founded: 2006
  • Headcount: 11-50
  • LinkedIn

Innotap provides real-time data from market sources such as PJM, Midwest ISO (MISO), Texas (ERCOT), California (CAISO), New England (ISO-NE), New York (NYISO), Southwest Power Pool (SPP), etc. that can be referenced and manipulated inside Excel spreadsheets for power trading decisions, trade capture, and more.


14. Morningstar Corporation

Morningstar Corporation is a leading supplier of solar controllers and inverters, offering high-quality and reliable products for remote applications in various industries.


15. H2 CCS Network

In response to the tremendous interest in hydrogen and carbon capture storage, we have created the H2-CCS Network with the goal of connecting businesses with one another and to these growing fields of interest. Participants in the H2-CCS Network receive customized and updatable business listings, access to a special newsletter, advertising opportunities and sponsorship opportunities of industry events. The H2-CCS Network is the only directory and business network serving hydrogen and carbon capture. Join today to unlock full access to the network and all the great benefits.


16. Energy One Solutions International

  • Website: energyosi.com
  • Headquarters: Blue Bell, Pennsylvania, United States
  • Founded: 2007
  • Headcount: 1-10
  • LinkedIn

Energy One Solutions International is a clean technology company that provides end-to-end solutions for optimizing distributed energy assets in real-time in wholesale energy markets and utility incentives.


17. Zonna Energy

  • Website: zonnaenergy.com
  • Headquarters: New Holland, Pennsylvania, United States
  • Founded: 2008
  • Headcount: 11-50
  • LinkedIn

Zonna Energy is a wholesale solar supplier with a complete inventory of quality products and affordable prices. They offer charge controllers, batteries, and all-in-one systems, as well as inverter repair services. Their experienced team provides expert support and fast, dependable service to solar installers across North America and the Caribbean.


18. H.T. LYONS, Inc.

  • Website: engiemep.com
  • Headquarters: Allentown, Pennsylvania, United States
  • Founded: 1973
  • Headcount: 501-1000
  • LinkedIn

H.T. Lyons is a full-service mechanical contractor. Your single source for engineering, construction, energy services, building controls, commissioning, balancing and preventive maintenance. By self-performing this comprehensive list of services, we are able to offer our clients the highest quality and most streamlined and cost-effective building services in the industry. Our decades-long track record of quality work translates into repeat customers and an unmatched reputation for high quality engineering and construction services throughout Pennsylvania, New Jersey and New York.


19. BCI Technology Investments

  • Website: bci-ti.com
  • Headquarters: Leetsdale, Pennsylvania, United States
  • Headcount: 1-10
  • LinkedIn

BCI Technology Investments renders venture capital, private equity, funding, renewable energy hardware, and logistics services.


20. Customized Energy Solutions

  • Website: ces-ltd.com
  • Headquarters: Philadelphia, Pennsylvania, United States
  • Founded: 1998
  • Headcount: 201-500
  • LinkedIn

Customized Energy Solutions (CES) is a leading provider of comprehensive energy management solutions. They offer a wide range of services including demand response, load management, energy generation, and power trading. With a focus on simplifying and implementing effective energy strategies, CES helps clients navigate the dynamic energy environment.


21. GridSwitch

  • Website: gridswitch.com
  • Headquarters: Coraopolis, Pennsylvania, United States
  • Founded: 2020
  • Headcount: 11-50
  • LinkedIn

GridSwitch offers microgrid energy solutions for industrial consumers through pilot establishment, turnkey services, and operational improvement plans. They provide managed service provider and engineering/construction management services.


22. Mid-atlantic Renewable Energy Association INC

  • Website: marec.us
  • Headquarters: Kutztown, Pennsylvania, United States
  • Headcount: 1-10
  • LinkedIn

MAREC Action is a renewable energy organization based in the Mid-Atlantic region. It provides expert guidance and advocacy on policy and regulatory issues, as well as a unified voice for the industry.


23. Doral Renewables USA

  • Website: gegrenewables.com
  • Headquarters: Philadelphia, Pennsylvania, United States
  • Founded: 2019
  • Headcount: 11-50
  • Latest funding type: Corporate Round
  • LinkedIn

Doral Renewables LLC is an energy finance and development company that specializes in solar, wind, and natural gas projects. With extensive experience in financing and M&A, the company offers advanced engineering and operating solutions for energy projects. They combine the expertise of Israel's Doral Group with a team of U.S based professionals to cater to different energy markets in the United States.


24. Bright Eye Solar

Bright Eye Solar is a full-service solar energy provider serving Maryland, New Jersey, and Pennsylvania. They offer residential and commercial solar panel installation, energy efficiency audits, and Generac® off-grid solar battery backup system installation options.


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