Energy storage companies in Arizona play a crucial role in harnessing renewable energy sources. They manufacture various battery technologies, offering solutions for electric vehicles, commercial applications, and residential systems. As demand for sustainable energy grows, these firms are innovating to improve efficiency and storage capacity. Notably, advancements in lithium-metal and solid-state batteries signal a future where energy can be stored more effectively, facilitating a shift towards cleaner power sources. With the global push for cleaner energy solutions, Arizona’s energy storage sector is positioned for significant growth and development in the coming years.

The energy storage companies listed here vary in size, from small teams to larger organizations, with headquarters mainly in Arizona cities like Tucson, Phoenix, and Tempe. Established between 1979 and 2021, these companies specialize in advanced battery technologies, solar energy solutions, and energy management systems. Most of them focus on the growing demand for efficient energy storage, all playing a part in the renewable transition. Many have actively secured funding, signaling their innovation and potential for future advancements in energy storage solutions.

Continue reading to explore Arizona's top energy storage companies.

Top 20 Energy Storage Companies in Arizona

1. OutBack Power

• Website: outbackpower.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: outback-power-technologies

OutBack Power Inc, founded in 2001 and based in Phoenix, Arizona, is a private company that specializes in renewable energy solutions, particularly in the solar power and energy storage sectors. The company designs and manufactures a variety of products, including inverters, charge controllers, and integrated energy storage systems. OutBack Power's offerings are tailored for both residential and commercial customers, emphasizing the importance of efficiency and reliability in energy systems. Their EnergyCell series showcases their commitment to providing effective energy storage solutions, which are crucial for maximizing the use of renewable energy. With a dedicated focus on optimizing energy systems, OutBack Power has established itself as a significant player in the renewable energy market, serving a global customer base and supporting installers and partners with comprehensive resources and training.

2. Sion Power Corporation

• Website: sionpower.com
• Ownership type: Venture Capital
• Headquarters: Tucson, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series A, $75.0M, January 2024
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: sion-power

Sion Power Corporation, founded in 1995 and based in Tucson, Arizona, is a technology company focused on developing advanced battery solutions. The company specializes in lithium-metal rechargeable batteries, particularly for electric vehicles and aerospace applications. With over two decades of research and development, Sion Power has created Licerion® technology, which significantly enhances energy density and cycle life compared to conventional lithium-ion batteries. Their products are designed to meet the demanding requirements of automotive manufacturers and aerospace clients, offering high performance, safety, and versatility. Sion Power has attracted substantial investment, raising over $230 million to date, including a recent $75 million Series A funding round in January 2024. This funding supports their mission to produce state-of-the-art batteries that enable longer ranges and higher performance for electric vehicles and other mobility applications. The company holds over 430 patents and has established partnerships with leading automotive OEMs, further solidifying its position in the energy storage industry.

3. Ampcera

• Website: ampcera.com
• Ownership type: Corporate
• Headquarters: Tucson, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: March 2023
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: ampcera

Ampcera, founded in 2017 and based in Tucson, Arizona, is a battery manufacturer that specializes in advanced solid-state electrolyte materials and solid-state batteries. The company is dedicated to providing high-performance energy storage solutions tailored for electric vehicles, consumer electronics, and military applications. Ampcera has invested significant time in perfecting its sulfide solid electrolyte material, with plans to scale production from a 20-ton annual capacity pilot line to 1,000 tons by 2027. The company has established rigorous quality control standards and has over 200 unique customers, including strategic partners in the electric vehicle and consumer electronics industries. Ampcera has also received funding from the Department of Energy to support the development of low-cost manufacturing processes for solid-state batteries, further solidifying its position in the energy storage market.

4. Arevon

• Website: arevonenergy.com
• Ownership type: Private
• Headquarters: Scottsdale, Arizona, United States (USA)
• Employee distribution: United States (USA) 99%
• Latest funding: Other (Debt), $509.0M, March 2025
• Founded year: 2017
• Headcount: 201-500
• LinkedIn: cd-arevon-usa-inc

Arevon is a private renewable energy company based in Scottsdale, Arizona, founded in 2017. The firm specializes in the development, construction, ownership, and operation of solar and energy storage projects across North America. With a workforce of approximately 286 employees, Arevon is focused on addressing the increasing demand for sustainable energy solutions from utility companies and local communities. The company has a notable portfolio, with 3,774 MW of solar and storage plants either operating or under construction, and an additional 5,000 MW of projects in development. Arevon also provides asset management services to other clean energy owners, enhancing their role in the renewable energy sector. Their Saticoy Battery Energy Storage System, a 100 MW/400 MWh project, exemplifies their commitment to energy storage, as it stabilizes the grid and supports local energy needs. Recently, Arevon secured $509 million in funding, indicating strong investor confidence and potential for future growth.

5. Inty Power

• Website: intypower.com
• Ownership type: Family Owned
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 93%, Mexico 7%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: inty-power

Inty Power, founded in 2017 and based in Tempe, Arizona, is a family-owned solar energy company that specializes in the sale and installation of solar panels. With a team of experienced professionals, they provide tailored solar solutions to both residential homeowners and businesses across Arizona. Their services include not only solar panel installation but also energy storage solutions, prominently featuring Tesla Powerwall batteries. This allows customers to achieve energy independence and reliability, particularly during power outages. Inty Power emphasizes affordability and quality, offering financing options to make solar energy accessible. Their commitment to customer satisfaction is reflected in their extensive experience and positive customer reviews, establishing a reputation for reliability in the local market.

6. The Sun Company

• Website: thesuncompany.us
• Ownership type: Private
• Headquarters: Tucson, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: the-sun-company

The Sun Company, based in Tucson, Arizona, is a private renewable energy provider established in 2018. With a team of 19 employees, the company focuses on innovative energy storage solutions and digital twin technology. They cater to a wide range of customers, including industrial, commercial, and residential sectors, by offering off-grid power solutions that enhance energy reliability and sustainability. The Sun Company has developed stationary redox flow batteries, which are designed to deliver clean energy efficiently and sustainably. Their approach prioritizes affordability, safety, and environmental responsibility, making their battery technology appealing for both homeowners and businesses. Additionally, the company is recognized as a Public Benefit Corporation, reflecting its commitment to social and environmental goals. Their initiatives, such as the Power Forward program, aim to provide reliable, low-cost energy while promoting a greener future. The Sun Company is actively involved in the energy storage industry, participating in partnerships and collaborations to further advance their technology and solutions.

7. SOLON Corporation

• Website: solonamerica.com
• Ownership type: Corporate
• Headquarters: Tucson, Arizona, United States (USA)
• Employee distribution: United States (USA) 83%, India 17%
• Latest funding: March 2012
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: solon-corporation

SOLON Corporation, founded in 2006 and based in Tucson, Arizona, is a company that specializes in solar energy solutions, particularly focusing on large commercial and utility-scale photovoltaic systems. The firm offers a comprehensive suite of services, including engineering, construction, and ongoing maintenance, aimed at delivering sustainable energy solutions to a variety of clients, including municipalities, educational institutions, and commercial businesses. In addition to their solar offerings, SOLON is actively involved in energy storage solutions, specifically through their Battery Energy Storage Systems (BESS). This integration of solar and energy storage positions them well within the industry, as they cater to the growing need for efficient energy management and reliability. With a workforce of around 64 employees, SOLON operates primarily in the United States, with a small presence in India. Their focus on quality and customer satisfaction is evident in their project management approach, which emphasizes thorough planning and execution to minimize disruptions during construction.

8. CD Arevon USA, Inc.

• Website: cdarevon.com
• Ownership type: Private
• Headquarters: Scottsdale, Arizona, United States (USA)
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: cd-arevon-usa-inc

CD Arevon USA, Inc. is a private renewable energy company based in Scottsdale, Arizona, founded in 2017. The firm specializes in solar energy and energy storage solutions, developing, building, owning, and operating projects throughout North America. Arevon's portfolio includes a range of solar and storage projects, with a total of 3,774 MW of solar and storage plants either operational or under construction, and an additional 5,000 MW in development. Notable projects include the Saticoy Battery Energy Storage System, which stabilizes the grid and provides power to local communities. Arevon also offers asset management services to other clean energy owners, catering to utility companies and local governments seeking sustainable energy options.

9. Solar Gain

• Website: solargaininc.com
• Ownership type: Private
• Headquarters: Tucson, Arizona, United States (USA)
• Employee distribution: United States (USA) 96%, Iran 4%
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: solar-gain

Solar Gain Inc., founded in 2008 and based in Tucson, Arizona, is a private company that specializes in solar energy solutions for both residential and commercial clients. With a team of approximately 47 employees, Solar Gain focuses on designing and installing solar systems tailored to the unique needs of their customers. Their services extend beyond solar panel installation to include energy storage solutions and electric vehicle charging stations. Operating primarily in Arizona and California, Solar Gain aims to facilitate the transition to renewable energy while maximizing financial incentives for their clients. They emphasize a turnkey approach, managing every aspect of the solar project from evaluation and design to installation and ongoing maintenance. Their commitment to customer service and competitive pricing is evident in their efforts to ensure clients receive all available incentives and financing options.

10. Urbix, Inc.

• Website: urbixresources.com
• Ownership type: Venture Capital
• Headquarters: Mesa, Arizona, United States (USA)
• Employee distribution: United States (USA) 96%, United Kingdom (UK) 4%
• Latest funding: Series A, $3.5M, May 2018
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: urbix-resources-llc

Urbix, Inc., founded in 2014 and based in Mesa, Arizona, specializes in graphite purification and energy storage solutions. The company is dedicated to developing eco-friendly technologies for producing battery-grade graphite, a critical component for electric vehicle batteries and energy storage systems. Urbix's innovative purification methods significantly reduce environmental impact compared to traditional processes, addressing the growing demand for sustainable practices in battery manufacturing. The company has secured funding, including a notable $3.5 million in Series A funding in 2018, which supports its mission to enhance the domestic supply chain for graphite in the electric vehicle market. Urbix's commitment to responsible mining and production practices positions it as a key player in the energy storage industry, particularly as the demand for efficient energy storage solutions continues to rise.

11. TurningPoint Energy

• Website: turningpoint-energy.com
• Ownership type: Private
• Headquarters: Scottsdale, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: turningpoint-energy

TurningPoint Energy, founded in 2014 and based in Scottsdale, Arizona, is a private energy solutions provider that specializes in solar energy development and advisory services. The company focuses on community solar, utility-scale solar, and energy storage projects, catering to utilities, commercial and residential customers, and landowners. With a team of seasoned professionals, TurningPoint Energy has collectively developed over 2 Gigawatts (GW) of solar projects across the United States. Their mission is to transform the energy landscape by promoting cleaner energy sources and providing innovative project development and investment services. They also offer advisory services to various stakeholders in the energy sector, ensuring that solar projects are developed effectively and sustainably.

12. Northern Arizona Wind & Sun

• Website: solar-electric.com
• Ownership type: Private
• Headquarters: Flagstaff, Arizona, United States (USA)
• Founded year: 1979
• Headcount: 11-50
• LinkedIn: northern-arizona-wind-%26-sun

Northern Arizona Wind & Sun, also known as NAZ Solar Electric, is a private company based in Flagstaff, Arizona, founded in 1979. The company specializes in solar energy solutions, providing a wide array of products that include solar panels, energy storage systems, and installation supplies. NAZ Solar Electric serves both residential and commercial customers, offering tailored solutions to meet specific energy needs. Their product range includes energy storage systems (ESS), deep cycle batteries, and lithium batteries designed for solar applications. The company prides itself on its technical support and expertise, ensuring customers receive assistance throughout the installation and activation process. With a focus on innovation and quality, NAZ Solar Electric has established itself as a reliable player in the solar and energy storage industry.

13. Sunny Energy, LLC

• Website: sunnyenergysolar.com
• Ownership type: Private
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: sunny-energy

Sunny Energy, LLC, based in Tempe, Arizona, is a private company founded in 2014. With a team of approximately 36 employees, the company specializes in solar energy solutions tailored for homeowners in Arizona. Their offerings include solar panel installations, battery storage systems, and EV chargers, aimed at helping customers reduce energy costs and environmental impact. Sunny Energy emphasizes a customer-centric approach, providing consultations to educate homeowners about solar energy and its benefits. They also focus on the design and efficiency of solar systems, ensuring that installations are customized to meet individual energy needs. The company has not reported any funding, indicating a self-sustained operational model. Sunny Energy's commitment to integrating battery storage with solar technology positions them as a player in the renewable energy sector, although their primary focus remains on solar energy solutions.

14. Technicians for Sustainability (TFS)

• Website: tfssolar.com
• Ownership type: Private
• Headquarters: Tucson, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: technicians-for-sustainability

Technicians for Sustainability (TFS) is a Tucson-based solar energy provider founded in 2003. The company specializes in the installation of solar energy systems and battery storage solutions for both residential and commercial clients. With a workforce of approximately 29 employees, TFS has made a notable impact in the local community, having designed and installed over 4,300 solar and battery systems. They are dedicated to reducing energy costs for their customers while promoting the transition to renewable energy. TFS also offers financing options and educational resources, empowering clients to make informed decisions about solar energy. Their involvement in the industry is marked by a strong commitment to quality, community engagement, and transparency in their operations. TFS has not reported any funding, indicating a self-sustaining business model focused on local service and support.

15. Icon Power

• Website: iconpower.com
• Ownership type: Private
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: icon-power

Icon Power, founded in 2017 and based in Tempe, Arizona, is a private company that specializes in solar energy solutions. With a workforce of approximately 82 employees, the company focuses on providing solar panel installation and battery storage solutions for both residential and commercial customers. Icon Power operates primarily in Arizona, Nevada, and Texas, aiming to help clients reduce energy costs and enhance sustainability through clean energy options. Their offerings include the installation of Tesla Powerwall systems, which are designed to store excess solar energy for later use, thereby increasing energy independence for homeowners and businesses. The company prides itself on delivering a high level of customer service and maintaining a strong relationship with clients throughout the installation process and beyond. Icon Power also emphasizes the importance of quality workmanship and the use of top-tier products in their projects.

16. Arcadia Solar

• Website: arcadiasolar.com
• Ownership type: Family Owned
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: arcadia-solar-solutions

Arcadia Solar, founded in 2011 and based in Tempe, Arizona, is a family-owned solar energy provider. The company specializes in solar panel installations, energy storage solutions, and smart home technology aimed at helping homeowners reduce energy costs and achieve energy independence. Operating primarily in the American Southwest, Arcadia Solar has built a reputation for delivering reliable solar energy systems. Their offerings include high-capacity SolarEdge batteries for energy storage, ensuring that customers can access power during evening hours or cloudy days. The company emphasizes customer satisfaction and provides a no-pressure sales approach, which has contributed to their growth and positive customer feedback. Arcadia Solar is licensed to operate in multiple states, including Arizona, Nevada, California, Texas, and New Mexico, reflecting their expanding service area and commitment to the solar energy market.

17. Tonian Renewables

• Website: tonianrenewables.com
• Ownership type: Corporate
• Headquarters: Phoenix, Arizona, United States (USA)
• Latest funding: November 2021
• Founded year: 2021
• Headcount: 11-50
• LinkedIn: tonian-renewables

Tonian Renewables, also known as RNWBL, is a renewable energy service provider based in Phoenix, Arizona. Founded in 2021, the company has quickly established itself in the renewable energy sector, focusing on wind, solar, and energy storage solutions. RNWBL offers a comprehensive range of services, including operations and maintenance, project management, and specialized training for technicians. Their clientele primarily consists of businesses in the renewable energy field, aiming to optimize their energy assets and ensure compliance with industry standards. Notably, RNWBL positions itself as one of North America's significant energy storage solutions providers, showcasing their capabilities across various technologies and regions. Their commitment to enhancing the efficiency and reliability of energy storage systems is evident in their service offerings, which include commissioning, field services, and long-term operations and maintenance for energy storage assets.

18. Harmon Solar

• Website: harmonsolar.com
• Ownership type: Family Owned
• Headquarters: Phoenix, Arizona, United States (USA)
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: sales-and-marketing-manager-harmon-solar

Harmon Solar, based in Phoenix, Arizona, is a family-owned business with a rich history dating back to 1975. Initially founded as a solar energy provider, the company has evolved to specialize in custom solar systems for both residential and commercial properties. Their services extend beyond solar panel installation to include battery storage solutions, roofing services, and basic electrical work. Harmon Solar is recognized for its commitment to quality and customer satisfaction, employing a team of certified professionals dedicated to delivering reliable solar energy solutions. They are certified installers of notable battery brands, such as Tesla and Enphase, which underscores their role in the energy storage sector. The company prides itself on its in-house installation capabilities and offers extensive warranties on its services, reflecting a strong focus on customer trust and service excellence.

19. Elevation

• Website: elevationenergysolutions.com
• Ownership type: Private
• Headquarters: Chandler, Arizona, United States (USA)
• Founded year: 2014
• Headcount: 201-500
• LinkedIn: elevationhomeenergy

Elevation, founded in 2014 and based in Chandler, Arizona, is a private energy solutions provider that focuses on renewable energy and energy efficiency services. The company primarily serves residential markets across several states, offering products such as solar energy systems, insulation services, and energy monitoring solutions. Elevation's commitment to sustainability is reflected in their offerings, which aim to help homeowners reduce energy costs and minimize their carbon footprint. A notable aspect of their service portfolio is the inclusion of energy storage solutions, specifically solar batteries that allow homeowners to store excess energy generated from solar panels. This capability is crucial for enhancing energy independence and ensuring reliable power supply during outages. Elevation has successfully serviced over 13,000 homes, demonstrating their impact in the energy efficiency and renewable energy sectors.

20. Acme Aerospace, Inc.

• Website: acme-aero.com
• Ownership type: Corporate
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $40.0M, July 2009
• Founded year: 1982
• Headcount: 51-200
• LinkedIn: acme-aerospace-inc.

Acme Aerospace, Inc., founded in 1982 and based in Tempe, Arizona, specializes in advanced power conversion and energy storage solutions tailored for the aerospace and defense industries. With a workforce of around 61 employees, the company has established itself as a provider of high-reliability products essential for both commercial and military aviation. Their offerings include lithium-ion and nickel-cadmium batteries, battery chargers, and power distribution systems, all designed to meet rigorous military and commercial standards. Acme Aerospace serves a variety of customers, including major commercial aviation companies and military forces, ensuring that their power systems are dependable for mission-critical operations. The company has also received significant funding, amounting to $40 million, which underscores its potential for growth and innovation in the energy storage sector.

Energy Storage Insights: Key Companies in Arizona

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