RelyEZ moves up in the TOP10 based on S&P Global rating

RelyEZ Energy Storage is back on the list - and has moved up - in S&P Global's 2025 Energy Storage Ranking, which ranks the top ten original BESS providers worldwide. This international recognition underlines the company's pivotal role in the development of energy storage technology and in shaping the global market.

The role of S&P Global in the energy sector

S&P Global is one of the most respected energy market analysts. Its annual report is a definitive reference for the energy storage industry, analysing the performance and financials of more than 200 players using a rigorous methodology. The ranking is based on the following key criteria:

Objective assessment: results are based on real, verified deliveries, technological improvements and supply chain integration, excluding resellers.
Extensive coverage: the surveyed suppliers cover 90% of the BESS market, with more than 110 GWh of battery deliveries in the first half of 2024 alone.

RelyEZ has been on the list continuously since 2023, which demonstrates the company's stability and alignment with global decarbonisation goals.

Strategic strengths of RelyEZ

Market leader position
- It is one of the world's five largest suppliers of energy storage batteries, with more than 200 projects and a total installed capacity of over 13 GWh.
- As a vertically integrated OEM (Original Equipment Manufacturer), it combines the production of DC blocks with its own design, which gives it a competitive advantage in the market.
Long-term reliability
- The 15-year performance guarantee provided by Munich Re insurance offers end-users outstanding security.
Flexible, scalable supply chain
- A 300 MW/600 MWh energy storage project was installed in just 167 days, despite global logistical challenges.
- The company has an annual production capacity of up to 20 GWh, allowing for rapid market entry and scale-up.

Key findings of the S&P Global report on RelyEZ

The 2025 report shows that the RelyEZ excels in two key areas:

Maintaining profitability: despite a 40% drop in industry price levels, they are maintaining profitability, mainly thanks to technological improvements in the DC block.
Partnership model: the company works through OEM partnerships, avoiding competition with its customers and adopting a strategy that is followed by the leading players in the industry.

Contributing to the future of clean energy

The recognition by S&P Global is a clear indication of RelyEZ's ability to provide secure, scalable and reliable energy storage solutions in an ever-changing market environment. Its focus on innovation and strategic partnerships will help its partners to effectively achieve their net-zero emissions targets.