Our Members

2024 Member Organizations

8minute Solar Energy

As a nationwide leader in solar-plus-storage, 8minute Solar Energy (8minute) is championing the clean energy transition in the United States and shaping the future of energy. Since its founding in 2009, 8minute has successfully put 2 GW of solar projects into operation and currently has over 18 GW of solar and storage projects under development. By focusing on technology and engineering innovation, 8minute’s best-in-class team has continued to set new industry records: developing the largest solar plant in the nation starting in 2012, delivering the first operational solar plant in the U.S. to beat fossil fuel prices in 2016, and setting the record for the lowest cost solar-plus-storage project in 2019.


Arevon is North America’s leading renewable energy company, offering comprehensive renewable energy infrastructure solutions to institutional investors and long-term owners that maximize value across the entire lifecycle of assets. Arevon is an affiliate of Capital Dynamics, benefitting from the global scale and extensive market insight of the global Capital Dynamics Clean Energy Infrastructure (CEI) platform. Arevon’s global fleet of PV Solar and Onshore Wind assets now exceeds 6.5GWdc, representing over $9 billion in invested capital. Arevon operates the 2nd largest  portfolio of operating solar assets in North America, with over 3.5 GWdc of commercially operating utility-scale, commercial/industrial, distributed generation, and Battery Storage assets.  With an additional 3.0 GWdc of solar assets currently under construction in the United States, Arevon is leading the renewable energy revolution in one of the most exciting industries of the 21st century. 

Austin Energy

Austin Energy is the nation’s 8th largest publicly owned electric utility serving more than 420,000 customers and more than 1 million residents. Our mission is to deliver clean, affordable, reliable energy and excellent customer service.

Doosan GridTech

Doosan GridTech™ provides communications, management, and optimization software for component-based energy storage systems and other electric energy assets, serving electric utilities and others in a wide range of applications.

Duke Energy

Based in Charlotte, N.C., Duke Energy is the largest electric utility in the United States. It serves retail customers in six states.

Hitachi Energy USA Inc.

More information coming soon. 

Hyosung Heavy Industries 

Hyosung Heavy Industries, a company that possesses the world’s best technology in heavy electric equipment, the core of industrial energy, and exports its products all over the world such as to the Americas, the Middle East and Europe, is recognized not only for electric equipment such as transformers and switchgears, but also motors and gears. Also, it will lead the low-carbon green growth era based on the core technologies necessary for establishing future electrical grids such as energy storage systems (ESS), STATCOM
and smart grids.

Los Angeles Department of Water and Power

Providing clean, reliable water and power and excellent customer service in a safe, environmentally responsible and cost-effective manner.


Nextracker is the leading provider of intelligent, integrated solar tracker and software solutions used in utility-scale and ground-mounted distributed generation solar projects around the world. Our products enable solar panels in utility-scale power plants to follow the sun’s movement across the sky and optimize plant performance. With over 50 GW shipped worldwide, Nextracker leads the solar industry with solar tracker technologies that optimize and increase energy production while reducing costs for significant plant ROI. For more information, please visit www.Nextracker.com.

Nuvation Energy

Nuvation provides battery management systems (BMS) for grid-scale energy storage platforms, telecommunications power backup systems, specialty vehicles and mobile robots. They are a North American product realization company that performs all aspects of electronic product development, from initial concept and design through to volume production. In business since 1997, they have completed over 800 projects in hardware design and embedded software engineering and four generations of BMS designs.

RRC Power & Energy

At RRC Power & Energy, our successful business model starts with listening to our clients’ objectives and applying our experience to develop a project approach that optimizes value. Our team of professionals and support staff have the multi-disciplinary capability to take on a wide variety of projects serving the utility, industrial, municipal, and commercial sectors. From strategic planning and conceptual design to project management and construction testing, we get the job done. With project experience and a value engineering approach, we provide economical solutions to complex problems. Our engineers, scientists, and surveyors are among the most experienced in their fields. We believe that experience matters. It’s more than a tag line. It’s how we define ourselves.

Sacramento Municipal Utility District

Sacramento Municipal Utility District (SMUD) is the nation’s-sixth largest community-owned electric service provider, serving over 620,000 electric customers. SMUD is a recognized industry leader and award winner for its innovative energy efficiency programs, renewable power technologies, and for its sustainable solutions for a healthier environment. SMUD is the first large California utility to receive more than 20 percent of its energy from renewable resources.

Salt River Project

Salt River Project (SRP) is a community-based, not-for-profit public power utility and the largest provider of electricity in the greater Phoenix metropolitan area, serving more than 1 million customers. SRP is also the metropolitan area’s largest supplier of water, delivering about 800,000 acre-feet annually to municipal, urban and agricultural water users.

San Diego Gas & Electric 

San Diego Gas & Electric (SDG&E) is an innovative San Diego-based energy company that provides clean, safe and reliable energy to better the lives of the people it serves in San Diego and southern Orange counties. The company is committed to creating a sustainable future by providing its electricity from renewable sources; modernizing natural gas pipelines; accelerating the adoption of electric vehicles; and investing in innovative technologies to ensure the reliable operation of the region’s infrastructure for generations to come. SDG&E is a subsidiary of Sempra Energy.

Snohomish County PUD

Snohomish County Public Utility District is the second largest publicly owned utility in Washington, serving over 320,000 electric customers and 20,000 water customers. Their service territory covers over 2,200 square miles, including all of Snohomish County and Camano Island.

Southern California Edison

Energy for What’s Ahead


Stem builds and operates the largest digitally connected energy storage network for our customers. Our innovative team leads the industry in developing and deploying artificial intelligence (AI)-powered energy storage that controls energy costs, while enhancing sustainability and resilience.


Founded in 2000, Trimark Associates, Inc. (Trimark) delivers industry-leading solutions to allow real-time operational control, enable informed management of power production operations, and ensure regulatory compliance. Trimark’s turnkey products, engineering, and customer support services control, measure, and manage all aspects of power production that utility-scale power producers require to maintain peak business performance.


PXiSE (pronounced ‘pice’) develops next-generation grid control technology. PXiSE software solutions unlock the potential of distributed generation to improve grid reliability and increase renewable energy output, while helping ensure system balance and power quality.

Step Function I/O

Step Function I/O provides foundational software technology to the industry such as DNP3 and Modbus libraries. We differentiate ourselves in the marketplace through our emphasis on reliability, security, scale, and transparency

MESA Partners

Pacific Northwest National Laboratory

At Pacific Northwest National Laboratory, we are transforming the world through courageous discovery and innovation. The evidence is all around us. PNNL’s science and technology inspires and enables the world to live prosperously, safely, and securely. We collaborate to advance science and solve complex problems in energy, the environment, and national security as well as move technology solutions to market.

SunSpec Alliance

SunSpec Alliance is a global trade association of solar PV industry participants pursuing information standards for the distributed energy industry.


QualityLogic was founded in 1986 to help solve compatibility problems between print systems and software applications. As a result, we developed the quality assurance test tools and test suites that quickly became the industry standard. For more than three decades, industry leaders have trusted QualityLogic to help them release great software. Through this early experience, our founders recognized the importance of integrating QA testing services and making it part of the development process. To truly create quality software requires collaboration between creative developers and a talented QA team—from concept to release.


Camus Energy’s grid orchestration software helps utilities proactively leverage beneficial electrification and zero-carbon generation to deliver more reliable, affordable, and sustainable electricity. Camus provides real-time visibility and grid-aware control of distributed energy resources with deep integration with utility operational systems – backed by world-class reliability, scalability, and cybersecurity. For more information, visit www.camus.energy

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SAN FRANCISCO, Calif. (September 15, 2020) – The MESA Standards Alliance and the SunSpec Alliance are pleased to announce a new joint testing and certification program for the MESA-Device specification. Vendors will now be able to receive certification via third-party...

Energy Storage North America 2019

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