Top 10 Space Power Supply Companies Powering Next-Generation Satellite Missions

From satellites circling the Earth to spacecraft exploring deeper space, power supply systems help keep everything running without interruption. These systems support daily functions such as communication, navigation, and observation, even in tough conditions.As more satellites are launched and space activity increases, the need for reliable power solutions is also growing. Smaller satellites, private space companies, and new space projects are pushing demand for better batteries and solar based power systems. Due to this, space power supply technology is becoming more important across modern space missions.

Fortune Business Insights estimates the market for space power supply to reach USD 6.51 billion by 2034, with a CAGR of 7.36% between 2026-2034.

Fortune Business Insights Highlights Top 10 Space Power Supply Giants Globally

1. AAC Clyde Space

AAC Clyde Space is a top “New Space” company, an expert in small satellite technologies, manufacturing, and mission services. It is designed to provide high-quality real-time data for commercial, government, and educational sectors. In May 2025, a European satellite manufacturer placed an order worth USD 641,195.85 for its Starbuck MINI power systems. Its delivery is scheduled for March 2026. The Starbuck MINI is known as the “electrical heart” of satellites and is valued for its reliability and strong performance in advanced missions. The proven capabilities make it a preferred choice among leading players in the space power supply sector. Earlier in September 2024, the company secured a USD 1.15 million order for four Starbuck power systems and related services. This order highlights the company’s ongoing success in providing advanced power solutions for growing satellite networks.

2. Airbus S.A.S

Airbus S.A.S. is a leading global aerospace corporation and the world’s second-largest commercial aircraft manufacturer. It designs, manufactures, and services commercial aircraft, defense systems, helicopters, and space technology. In March 2023, Airbus Defense and Space signed an agreement to develop Angola’s first ultra-high-power Earth observation satellite, Angio 1, during French President Emmanuel Macron’s visit. In March 2021, the European Space Agency (ESA) awarded Airbus a USD 3.36 million contract for the PERIOD project. This Phase 1 study under ESA’s Horizon 2020 programme focuses on satellite assembly and manufacturing in orbit and aims to advance a space demonstrator over two years. In January 2023, Airbus entered a contract with Poland to develop, manufacture, launch, and deliver two high-performance optical Earth observation satellites. The deal includes the ground segment, Direct Receiving Station (DRS) in Poland, launch services, team training, and maintenance support for space and ground systems.

3. AZUR SPACE Solar Power GmbH

AZUR SPACE Solar Power GmbH is one of the top space power supply companies in the world. It is based in Heilbronn, Germany and is a world leader in developing and manufacturing high-efficiency, multi-junction solar cells for CPV applications. In September 2023, 5N Plus Inc. unveiled the largest and most efficient next-generation long-duration solar energy storage project. The project is powered by triple-junction solar cells supplied by its AZUR SPACE Solar Power GmbH.  Building on this program, AZUR SPACE Solar Power GmbH completed its 2024 production capacity expansion in October 2024. Output increased by 35%, exceeding the initial target. The company plans a further 30% capacity increase by the end of 2025 with minimal additional investment.

4. DHV Technology

DHV Technology was founded in 2013 in Malaga, Spain, it is a leading international company of solar panels and power subsystems for satellites and spacecraft. About 400 satellites were launched using their technology. The company is an expert in tailored solutions for LEO, MEO, GEO, and deep space missions. In April 2024, DHV Technology took part in the 39^th Space Symposium held in Colorado Springs, Colorado. The annual event was hosted by the Space Foundation. It brought together professionals from across the global space sector. A month earlier, in March 2024, the company also participated in Satellite 2024 in Washington DC. The event was held at the Walter E. Washington Convention Center, focused on advancing satellite technologies, strengthening global connectivity, and shaping future industries. In February 2025, DHV Technology collaborated with Pixel on the Firefly Satellite constellation. As part of the project, DHV supplied six sets of high-performance solar panels. It ensured stable and reliable space power supply for Pixel’s advanced hyperspectral missions.

5. EaglePitcher Technologies

EaglePitcher Technologies is a key manufacturer of mission-critical batteries, battery management systems, and energetic devices. The company provides power for over 85% of U.S. missile platforms, Mars rovers, and around 600 satellites. In September 2023, EaglePicher Technologies2 entered into an acquisition agreement with Tuthill Corporation. It is a privately held U.S.-based company. The deal was dependent on regulatory approvals and customary closing conditions. It was expected to be completed within the year. EaglePicher’s role in the defense supply chain continued to gain recognition.

6.GS Yuasa International Ltd.

GS Yuasa International Ltd. is located in Japan and is a global manufacturer of automotive, motorcycle, and industrial batteries, as well as power supply systems. The company continues to expand its role in space power systems through key deployments and partnerships. In August 2024, GS Yuasa supplied a 5 MWh lithium-ion energy storage system for NASA’s Cygnus NG-20 spacecraft, using advanced LSE190 cells. The project reinforces GS Yuasa’s track record across more than 250 space missions. They continuously refine their “LSE” cell series, such as Gen 4, Gen 5 for high-power needs in extreme space environments. This helps the company to maintain a strong global presence for space power supply.

7. Saft Groupe SA

Saft Group SA is a global leader in designing and producing advanced high-tech battery systems for critical industrial uses. It is one of the top space power supply companies in the world and is expanding its role in satellite power through major programs. In March 2023, the company supplied space-qualified lithium-ion batteries for six Metosat Third Generation satellites, improving data accuracy and extreme weather alerts across Europe and Africa. Later in July 2024, Saft won its largest satellite battery contract, supplying over 250 VL10ES batteries to power MDA AURORA™ satellites during eclipse periods. These systems ensure reliable energy for next-generation, software-defined satellite missions worldwide.

8. Northrop Grumman Corporation

Northrop Grumman Corporation is a key provider of space power systems, manufacturing solar arrays, high-reliability avionics, and power distribution systems for commercial and government satellites. The company supported key U.S. defense and space missions by advanced test and surveillance platforms. In December 2022, its RQ-4 Range Hawk played a critical role during NASA’s Artemis I mission by supporting the first flight of the Space Launch System rocket. The aircraft runs under the Department of Defense’s Sky Rage initiative for high-altitude, long-endurance flight testing.

9. Rocket Lab USA, Inc.

Rocket Lab USA, Inc., a leading end-to-end space company founded in 2006, is an expert in satellite manufacturing, components, and on-orbit management. The company continues to expand its capabilities across satellite power and launch services. In May 2023, the company signed an agreement to launch Telesat’s LEO 3 satellite on an Electron mission, with the spacecraft developed by Space Flight Laboratory. Recently, in April 2025, the company introduced STARRAY, a customizable solar array product line designed to support satellite power requirements ranging from 100 watts to over 2,000 watts. It is built using high-efficiency, radiation-hardened solar cells and vertically integrated manufacturing. STARRAY enables faster and cost-effective production of satellite power systems.

10. Teledyne Technologies Inc.

Teledyne Technologies is a California-based provider of advanced electronic components, instrumentation, digital imaging, and aerospace/ defense electronics. The company continues to advance space-grade power and computing solutions. In March 2025, Teledyne Micropac launched a patent-pending 3U VPX power supply card for Low Earth Orbit Satellites. The compact VPX-3U-SP-PSC cards deliver around 600W output. It also supports key industry standards, enabling faster satellite integration and flexible power management.

Reliable Power Supply: The Key to Successful Space Missions

Space missions today depend heavily on power systems that simply cannot fail. Key players in this industry are shifting toward compact, reliable and high-performance power solutions that support longer missions and advanced satellites. This progress is helping space programs operate smoothly, expand faster and deliver consistent results for commercial and public users. Space power supply systems are now at the core of every successful satellite mission.