Market Overview
According to fortune business insights, The global Pumped Hydro Storage (PHS) market size was valued at USD 71.71 billion in 2025. The market is projected to grow from USD 54.6 billion in 2026 to USD 127.07 billion by 2034, exhibiting a CAGR of 11.13% during the forecast period. Europe dominated the market with a regional value of USD 69.36 billion in 2025.
Fortune Business Insights™ has deep-dived into these insights in its latest research report, titled “Pumped Hydro Storage (PHS) Market, 2026-2034.”
The analysis shows that the shift toward renewable energy sources and the increasing requirement for grid stability are driving significant investments in pumped storage hydropower. Governments and utilities are heavily funding the modernization of existing PHS plants to improve efficiency, such as switching from fixed-speed to variable-speed operations. This trend indicates a strong global demand for flexible, utility-scale energy storage.
Major Players Profiled in the Market Report:
• ANDRITZ AG (Austria)
• Siemens AG (Germany)
• Enel SpA (Italy)
• Duke Energy Co. (U.S.)
• Voith GmbH & Co. KGaA (Germany)
• GE Vernova (U.S.)
• Power Construction Corporation of China (China)
• Torrent Power (India)
• ITC Holdings (U.S.)
• NextEra Energy, Inc. (U.S.)
• China Energy Engineering Corporation (China)
Segments
Open Loop Dominates Market Owing to Low Cost and Easy Installation Process
Based on type, the market is segmented into open loop and closed loop. The open-loop segment accounts for a major share (expected to reach 85.88% in 2026) due to low costs, an easy installation process, and massive energy storage capabilities. Conversely, the closed-loop segment is projected to display a rapid CAGR of 16.07% owing to greater siting flexibility and a lower environmental impact.
Above 1,000 MW Capacity Dominates Market Owing to Higher Energy Storage Capabilities
By capacity, the market is divided into below 500 MW, 500-1000 MW, and above 1000 MW. The above 1000 MW segment leads the market (holding 46.60% in 2026) as these massive plants achieve economies of scale and offer critical grid balancing for utility-scale needs. The below 500 MW segment holds the second-highest share due to better site availability and economic feasibility.
Geographically, the market is studied across North America, Europe, Asia Pacific, Latin America, and the Middle East & Africa.
Report Coverage
The report offers:
• Major growth drivers, restraining factors, opportunities, and potential challenges for the market.
• Comprehensive insights into regional developments.
• List of major industry players.
• Key strategies adopted by the market players.
• The latest industry developments include product launches, partnerships, mergers, and acquisitions.
Source: https://www.fortunebusinessinsights.com/pumped-hydro-storage-phs-market-110680
Drivers & Restraints
Increasing Requirement for Grid Stability and Energy Transition Policies to Propel Market Growth
The rapid increase in global electricity demand and intermittent renewable energy supply (solar and wind) has surged the need for grid stability. Pumped hydro storage offers flexible, utility-scale energy balancing, supported by strong government energy transition policies—such as China's target of 120 GW by 2030 and EU state aid for PHS development, propelling market growth.
However, high upfront installation costs, uncertainties over licensing timeframes, long payback periods, and the limited availability of suitable land with the right topography for extensive dual reservoirs are significant constraints that may hamper market growth.
Regional Insights
Strong Legacy Infrastructure and Modernization Propel Market Growth in Europe
Europe holds the dominant Pumped Hydro Storage (PHS) market share and is projected to experience steady growth during the forecast period. The region’s dominance is attributed to a long history of mega projects in countries like Norway, Switzerland, and Austria, alongside heavy investments in upgrading existing facilities to support renewable energy transitions.
Asia Pacific is experiencing rapid growth and is anticipated to be a major market driver. This growth is largely led by massive capacity expansion plans and investments in China, Japan, and Australia to meet peak loads and integrate solar and wind power into electric grids.
Pumped Hydro Storage (PHS) Market Future Growth:
The Pumped Hydro Storage (PHS) market is experiencing robust growth, fueled by the global transition toward renewable energy and the pressing need for reliable grid balancing. Today's utilities are increasingly drawn to modernizing aging hydraulic infrastructures—favoring advanced digital measures and the adoption of variable-speed pump turbines that adjust automatically to grid conditions. Additionally, there is a growing trend toward hybridization, where PHS plants are integrated with other energy technologies such as floating photovoltaics, battery storage, and hydrogen generation. While Europe maintains a strong foothold through modernization, the Asia Pacific region is seeing a massive surge in new, large-scale open-loop projects driven by ambitious government renewable energy targets.
Competitive Landscape
Growing Adoption of Plant Modernization and Equipment Upgrades to Propel Market Growth
The market features prominent players like ANDRITZ AG, Voith GmbH, and Siemens AG. These leading companies are accelerating growth through strategic initiatives such as advanced R&D, upgrading legacy power plant capabilities, and supplying highly flexible, variable-speed pump-turbine units. Their proactive approach to optimizing PHS processes and enhancing overall grid efficiency continues to fuel the market’s momentum in a landscape dominated by large-scale infrastructure players.
Key Industry Development
• April 2024: ANDRITZ announced plans to upgrade the Cruachan pumped storage power plant in Scotland, supplying two new generating units to increase power output by 40 MW to a total of 480 MW.
• April 2023: Ignitis Gamyba hired Voith Hydro in a USD 162 million agreement to expand the Kruonis pumped storage plant in Lithuania by installing a highly flexible 110 MW pump-turbine unit.
• September 2022: Greenko MP01 IREP Private Limited contracted ANDRITZ for the electromechanical works at the 1,440 MW Gandhi Sagar pumped storage project in Madhya Pradesh, India.