The energy storage sector in Colorado features companies that provide innovative solutions for capturing and storing electricity, particularly renewable energy. This industry includes manufacturers of cutting-edge battery technologies, firms focused on utility-scale storage projects, and consultants facilitating renewable energy implementations. As the demand for reliable, sustainable energy sources rises, the innovation within this sector is critical for integration with solar and wind resources. Colorado's strategic position, abundant natural resources, and regulatory support are fostering growth. Companies are prioritizing safety, efficiency, and environmental responsibility, all while navigating the challenges of unprecedented energy transition.

This list highlights 21 energy storage companies located in Colorado, ranging from small startups to established firms. With founding years spanning from 1985 to 2023 and headquarters mainly in Denver, Boulder, and Fort Collins, these companies all share a strong commitment to renewable energy. With team sizes varying from as few as 1 to over 500 employees, they deliver products and services focused on battery technology, solar integration, and energy management solutions. From utility-scale storage to home energy solutions, their innovations play a pivotal role in the future of clean energy.

Read on to discover key energy storage companies in Colorado.

Top 21 Energy Storage Companies in Colorado

1. Flatiron Energy

• Website: flatiron.energy
• Ownership type: Private Equity
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2022
• Founded year: 2021
• Headcount: 1-10
• LinkedIn: flatiron-energy

Flatiron Energy, based in Boulder, Colorado, is an energy storage company that specializes in the development and operation of utility-scale energy storage projects. Founded in 2021, the company aims to provide clean energy solutions that enhance grid reliability and support the integration of renewable energy sources. With a focus on urban communities in the Northeast and Mid-Atlantic U.S., Flatiron Energy addresses the growing need for flexible energy solutions. The company prides itself on sourcing products from top-tier vendors, ensuring safety and reliability in its projects. With a team that boasts over 70 years of combined energy industry experience, Flatiron Energy is committed to reducing carbon emissions and promoting environmental responsibility. Their certification as a B Corporation reflects their dedication to making a positive impact on both the environment and the communities they serve.

2. Prieto Battery

• Website: prietobattery.com
• Ownership type: Venture Capital
• Headquarters: Fort Collins, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series D, $8.0M, February 2023
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: prietobattery

Prieto Battery, Inc., founded in 2009 and based in Fort Collins, Colorado, is a battery manufacturer that focuses on innovative 3D lithium-ion battery technology. The company aims to provide high-performance battery solutions for various applications, including electric vehicles and medical devices. Prieto Battery's unique manufacturing process emphasizes sustainability, utilizing low-cost materials and a water-based electroplating method at room temperature. This approach allows for scalability and efficiency in production. The company has received significant recognition for its technology, including 28 patents covering various aspects of its battery design and manufacturing. Notably, Prieto Battery secured $8 million in Series D funding in February 2023, reflecting strong investor interest and support for its innovative solutions in the energy storage market.

3. Pivot Energy

• Website: pivotenergy.net
• Ownership type: Private Equity
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $450.0M, November 2024
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: pivot-energy

Pivot Energy, founded in 2009 and based in Denver, Colorado, is a private equity-backed company specializing in renewable energy solutions. They develop, finance, build, and manage solar and energy storage projects tailored for businesses, municipalities, and non-profits. Their offerings include onsite solar installations, community solar projects, and energy management software. Pivot Energy is committed to helping clients reduce energy costs and carbon footprints while promoting sustainable practices. Recently, they secured $450 million in funding, which underscores their growth and ambition in the renewable energy sector. As a Certified B Corporation, Pivot Energy adheres to high standards of social and environmental performance, ensuring their operations positively impact the communities they serve. Their innovative approach includes a focus on energy storage systems, which are integral to their strategy of enhancing energy resilience and efficiency for their clients.

4. Peregrine Energy Solutions, LLC

• Website: peregrineenergysolutions.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $115.0M, March 2025
• Founded year: 2022
• Headcount: 11-50
• LinkedIn: peregrine-energy

Peregrine Energy Solutions, LLC, based in Boulder, Colorado, is a clean energy firm that focuses on utility-scale energy storage and renewable generation. Established in 2022, the company aims to develop and manage energy storage systems and renewable projects throughout North America. Peregrine addresses the critical need for reliable energy solutions as the industry shifts towards renewable resources. Their clientele includes utilities and independent system operators, which highlights their commitment to enhancing grid reliability. The company has secured a robust pipeline of projects, including a recent commitment of $700 million to support their energy storage and renewable initiatives. With a team experienced in executing over 50 gigawatts of renewable energy and storage facilities, Peregrine is actively contributing to the transition to clean energy.

5. Independent Power

• Website: solarips.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: solarips

Independent Power, based in Boulder, Colorado, is a private service company founded in 1996. With a workforce of approximately 66 employees, the company specializes in renewable energy solutions, including solar energy systems, heat pumps, and battery storage. They cater to a variety of clients, including homeowners, businesses, and organizations, aiming to reduce energy costs and enhance sustainability. Independent Power operates primarily in Colorado and Montana, providing customized energy solutions and financing options. Their extensive experience in the field is complemented by their commitment to educating clients about energy independence and the benefits of battery storage, which they promote as a means to protect against grid outages and manage energy use effectively.

6. Redeux Energy

• Website: redeuxenergy.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2020
• Headcount: 11-50
• LinkedIn: redeux-energy

Redeux Energy is a private energy development firm based in Denver, Colorado, founded in 2020. The company focuses on utility-scale solar and battery energy storage projects, providing a range of services to landowners, independent power producers, and local developers. Their expertise lies in navigating the complexities of project development, including financing, engineering, and community engagement. Redeux Energy is dedicated to creating hybrid solar and energy storage projects that deliver reliable, dispatchable clean electricity. They actively engage with various stakeholders to enhance property value and support local economies through renewable energy initiatives. Their recent announcement of a 450 MWdc project portfolio sale to Pine Gate Renewables highlights their active participation in the energy market and their ability to develop competitive energy assets.

7. Peak Energy

• Website: peakenergy.com
• Ownership type: Venture Capital
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 97%, Japan 3%
• Latest funding: Series A, $55.0M, July 2024
• Founded year: 2023
• Headcount: 51-200
• LinkedIn: peakenergytech

Peak Energy, founded in 2023 and based in Denver, Colorado, is an energy storage company that specializes in sodium-ion battery technology. The company aims to provide innovative energy storage solutions tailored for independent power producers and utilities, enhancing the efficiency and resilience of renewable energy systems. With plans to establish a gigafactory for manufacturing sodium-ion batteries, Peak Energy is positioning itself to play a significant role in the renewable energy sector. The company recently raised $55 million in a Series A funding round, which will help accelerate their efforts to commercialize their technology and begin deploying energy storage systems by 2025. Their leadership team boasts extensive experience from notable companies like Tesla and Northvolt, further strengthening their potential in the market.

8. Photon Brothers

• Website: photonbrothers.com
• Ownership type: Private
• Headquarters: Broomfield, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: photon-brothers

Photon Brothers, founded in 2013 and based in Broomfield, Colorado, is a private company that operates in the solar energy sector. With a workforce of around 47 employees, they focus on solar panel installations, battery storage systems, and electric vehicle charging solutions. Their services cater to both residential and commercial clients in Colorado and California, aiming to provide sustainable energy options that reduce costs and environmental impact. Photon Brothers is a certified installer of Tesla's Powerwall, a prominent energy storage solution, which underscores their involvement in the energy storage industry. They emphasize high-quality installations and customer service, striving to make solar energy and battery backups accessible to a broad audience. Their commitment to using advanced, reliable products further solidifies their position in the market.

9. Active Energies Solar, LLC

• Website: activeenergies.com
• Ownership type: Family Owned
• Headquarters: Avon, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: active-energies

Active Energies Solar, LLC, based in Avon, Colorado, has been active in the renewable energy sector since its founding in 2006. The company specializes in solar energy solutions for both residential and commercial clients, emphasizing customer service and community engagement. Their offerings include solar panel installation, energy storage solutions, and electric vehicle (EV) charging systems. Notably, Active Energies is recognized as one of Colorado's few Tesla Powerwall Certified Premium Installers, showcasing their expertise in energy storage technology. This certification allows them to provide advanced energy storage options that enhance the reliability and efficiency of solar energy systems. The company is committed to sustainability and actively promotes eco-friendly practices within the community, aligning with broader environmental goals. Their focus on tailored solutions and local knowledge further strengthens their position in the renewable energy market.

10. Bear Peak Power

• Website: bearpeakpower.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2022
• Founded year: 2021
• Headcount: 11-50
• LinkedIn: bearpeakpower

Bear Peak Power, founded in 2021 and based in Denver, Colorado, is a private renewable energy company that specializes in solar power solutions and energy storage. The company develops community solar farms and utility-scale solar projects, providing clean energy alternatives to large electricity consumers and local communities. Their operations not only contribute to job creation and tax revenue but also address the pressing need for sustainable energy sources. Bear Peak Power is actively involved in the energy storage industry, with plans to implement battery energy storage systems to improve grid reliability. Their recent initiatives include exploring new sites for solar and energy storage projects, reflecting their commitment to expanding their portfolio in this sector.

11. ADA Technologies, Inc.

• Website: adatech.com
• Ownership type: Private
• Headquarters: Littleton, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 11-50
• LinkedIn: ada-technologies-inc.

ADA Technologies, Inc., based in Littleton, Colorado, is a private manufacturing company founded in 1985. The firm specializes in advanced energy storage solutions, particularly lithium-ion batteries and ultracapacitors. With a strong emphasis on research and development, ADA Technologies focuses on creating innovative products tailored to meet the needs of its primary customers, which include the Department of Defense and other military entities. Their flagship product, the Safe Li-Ion battery, is designed for safety and efficiency, allowing for storage at zero volts and operation in extreme temperatures. The company has a robust history of commercializing technologies developed through Small Business Innovation Research (SBIR) contracts, reflecting its capability to transition R&D into market-ready products. ADA Technologies has also established partnerships with various federal agencies and private sector companies, enhancing its position in the energy storage industry.

12. Skyhook Solar

• Website: skyhooksolar.com
• Ownership type: Private
• Headquarters: Aspen, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: skyhooksolar

Skyhook Solar, founded in 2019 and based in Aspen, Colorado, is a private company dedicated to renewable energy solutions. The firm focuses on solar-powered infrastructure designed for electric vehicles and micromobility applications. Their flagship products, such as the Skyhook Solar Station and various battery charge vaults, are engineered to provide sustainable energy access in urban settings. These products not only facilitate electric vehicle charging but also incorporate high-capacity battery storage, enhancing their functionality. Skyhook Solar has deployed its solutions in multiple cities across the USA, Canada, and Europe, demonstrating a commitment to advancing sustainable transportation. The company aims to mitigate carbon emissions and improve energy access, making it a relevant player in the energy storage industry.

13. Sunsense Solar

• Website: sunsensesolar.com
• Ownership type: Private
• Headquarters: Carbondale, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1990
• Headcount: 11-50
• LinkedIn: sunsense-solar

Sunsense Solar, founded in 1990 and based in Carbondale, Colorado, is a private company that specializes in solar energy solutions. With a team of 19 employees, Sunsense Solar focuses on the design, installation, and maintenance of solar electric systems for residential, commercial, and utility clients. They are particularly known for their community-driven solar initiatives and offer tailored solutions to help customers reduce energy costs and achieve sustainability goals. A notable aspect of their service portfolio is their battery storage solutions, which are integral to their solar projects. This allows clients to store energy for later use, enhancing the efficiency and reliability of their solar systems. Sunsense Solar has also been recognized for its commitment to quality and service, receiving accolades as a top solar contractor in Colorado and nationwide. Their projects include a variety of battery storage installations, showcasing their capability in the energy storage sector.

14. Solar Power Pros Inc.

• Website: solarpowerpros.com
• Ownership type: Private
• Headquarters: Centennial, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: solar-power-pros-inc-

Solar Power Pros Inc., based in Centennial, Colorado, is a private solar energy company founded in 2013. With a team of 23 employees, the company specializes in solar panel installations, battery storage solutions, and electric vehicle (EV) charger installations for both residential and commercial clients. Their primary goal is to assist customers in reducing energy costs while transitioning to renewable energy sources. Solar Power Pros is particularly noted for its expertise in solar battery storage, prominently featuring the Tesla Powerwall in its offerings. The company has been operational for over a decade, establishing a reputation for quality service and customer satisfaction in the Colorado market. They provide comprehensive services, from initial consultations to final installations, ensuring that clients receive tailored solutions that meet their energy needs.

15. Hyde Renewables

• Website: hyderenewables.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: hyde-engineering-services-inc-

Hyde Renewables, founded in 2015 and based in Boulder, Colorado, is an engineering firm dedicated to advanced energy solutions. With a team of 26 professionals, the company provides a range of services including design, engineering, consulting, and project management tailored for the energy sector. Their work spans multiple technologies, prominently featuring energy storage, solar, and wind. Hyde Renewables has established a reputation for tackling complex engineering challenges, particularly in energy storage applications. They have been involved in significant projects, such as the energy storage retrofit for the 100MW Mustang Solar project in California, and have developed hybrid solar-plus-storage systems. Their mission is to facilitate the transition to sustainable energy by supporting clients in navigating the intricacies of advanced energy projects, ensuring successful outcomes from concept to completion.

16. Emporia

• Website: emporiaenergy.com
• Ownership type: Private
• Headquarters: Littleton, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: June 2024
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: emporiaenergy

Emporia, founded in 2018 and based in Littleton, Colorado, is a private energy management company that specializes in innovative home energy solutions. The company offers a range of products designed to help homeowners optimize their energy usage and reduce costs. Their offerings include electric vehicle (EV) chargers, home energy monitors, batteries, and solar systems. Emporia's home battery solutions provide reliable backup power, making them a key player in the energy storage industry. The company operates primarily through an online store and provides installation services, catering to homeowners looking to enhance their energy efficiency. With a focus on smart home technology, Emporia empowers users to monitor and control their energy consumption effectively.

17. Black Bear Energy Inc.

• Website: blackbearenergy.com
• Ownership type: Venture Capital
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: July 2022
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: black-bear-energy-inc-

Black Bear Energy Inc., founded in 2015 and based in Boulder, Colorado, is an energy consulting firm focused on renewable energy solutions. The company assists businesses and property owners in navigating the complexities of energy projects, including solar energy, energy storage, and LED lighting solutions. With a team of experienced professionals, Black Bear Energy employs a technology-enabled approach to help clients identify, procure, and execute energy projects tailored to their specific needs. They have successfully managed over 15 MWh of executed storage projects, showcasing their capability in the energy storage domain. As part of Legence, a Blackstone portfolio company, Black Bear Energy leverages extensive industry expertise to deliver practical and profitable energy solutions. Their commitment to being vendor agnostic allows them to prioritize the best interests of their clients, ensuring competitive pricing and effective project delivery.

18. Ampt

• Website: ampt.com
• Ownership type: Venture Capital
• Headquarters: Fort Collins, Colorado, United States (USA)
• Employee distribution: United States (USA) 77%, Australia 11%, Spain 4%, Other 9%
• Latest funding: Series D, $15.0M, September 2017
• Founded year: 2007
• Headcount: 51-200
• LinkedIn: ampt

Ampt, founded in 2007 and based in Fort Collins, Colorado, is a company that focuses on energy optimization solutions for photovoltaic systems. They offer innovative products such as String Optimizers and Communication Units, which are designed to enhance the performance and efficiency of solar energy systems. Their technology is particularly beneficial for solar energy developers and operators who aim to maximize energy output while minimizing costs. Ampt's solutions also facilitate the integration of energy storage, specifically through their DC-coupled storage capabilities. The company has received significant venture capital funding, totaling $15 million in their Series D round in September 2017, which underscores their growth potential and commitment to advancing solar and storage technologies. With a workforce of around 48 employees, Ampt operates primarily in the United States, with additional presence in Australia, Spain, Chile, and Turkey.

19. Custom Solar

• Website: customsolar.us
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: custom-solar

Custom Solar, founded in 2008 and based in Boulder, Colorado, is a private renewable energy contractor that specializes in solar energy systems and battery backup solutions. The company offers a full suite of services, including consultation, design, engineering, installation, and maintenance for both residential and commercial clients. With a team of 25 employees, Custom Solar has established itself as a reliable partner for homeowners, contractors, and businesses looking to reduce utility costs and achieve energy independence. Their expertise extends to battery backup systems, which are designed to store energy generated from solar panels, providing power during outages and optimizing energy use during peak pricing periods. Custom Solar's commitment to sustainability and customer service has made it a trusted name in the Boulder and Denver areas, where they have been actively involved in promoting renewable energy solutions.

20. Intermountain Electric, Inc. (IME)

• Website: imelect.com
• Ownership type: Corporate
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: July 1999
• Founded year: 1946
• Headcount: 201-500
• LinkedIn: intermountain-electric

Intermountain Electric, Inc. (IME), established in 1946, is an electrical contractor based in Denver, Colorado. The company specializes in providing construction and service solutions for power and lighting, solar energy, and electric vehicle (EV) charging infrastructure. IME serves various sectors, including healthcare, aviation, and industrial manufacturing, focusing on delivering reliable and innovative electrical systems. Their capabilities extend to the installation and maintenance of solar and battery energy storage systems, which positions them within the energy storage industry. IME operates with a commitment to safety and customer satisfaction, ensuring that projects are completed efficiently and effectively. As a subsidiary of Quanta Services, Inc., IME benefits from a robust support structure, enhancing their ability to tackle complex electrical projects across the United States.

21. Hyde Engineering Services, Inc.

• Website: hydeeng.com
• Ownership type: Private
• Headquarters: Boulder, Colorado, United States (USA)
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: hyde-engineering-services-inc-

Hyde Engineering Services, Inc., operating under the name Hyde Renewables, is an engineering firm based in Boulder, Colorado, founded in 2015. The company specializes in advanced energy solutions, providing a range of services including design engineering, consulting, and project management for energy projects. Hyde Renewables has established itself as a trusted partner for project developers and asset managers, focusing on clean energy initiatives. Their expertise spans various technologies, notably energy storage, solar, and microgrids. The firm has been involved in significant projects, such as the 100MW Mustang Solar project in California, where they contributed to energy storage retrofits. Their approach emphasizes building strong client relationships and delivering innovative solutions to complex engineering challenges in the energy sector.

Energy Storage Insights: Key Companies in Colorado

Want to Find More Energy Storage Companies?

With Inven you'll also get to know the company's:

• Detailed Ownership: Who owns the company? Is it a public or private company? What is the ownership structure?
• Contact data: Who are the founders and CEO's? What are their emails and phone numbers?
• Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!