Applications: Stationary Energy Storage

LDES Policy* Support by Geography: US & Europe US

Canada

UK

Europe

Spain

California-centric

Commercialization of Lowest-Cost, LDES

Cap and floor scheme to enable investment and revenue certainty

Long duration energy storage challenge Germany)

Energy storage legislative draft & grants for storage and thermal/flow systems

Mechanism

Funding via California Climate Investments Initiative

$6.7M invested under Energy Innovation Program

Cap on max ROI for investors and min revenue for developers

Public funding support of $4.6M

$971M of grant support

Target / Metric

2 GW deployed between 20312037

Commercialization of lowest-cost LDES

46 GW by 2030

510 GW by 2035

Storage for 10 hrs with no usage of critical raw materials

€280 million fund for storage, 600 MW by 2026

Other LDES Support

US DOE is funding $100 million to pilot projects

Federal investment of $5M for compressed air energy storage

Capacity market participation

Grid services

Tax relief

UK Battery Industrialisation Centre development: $32M funding for vanadium redox flow batteries VFRB

Germany plans to launch 500 MW of LDES 8hrs between 20252026

Procurement scheme for “Long Duration Energy Storage System(s)ˮ Ireland)

Italy: 3 GW target for LDES projects by 2030

National Energy and Climate Plan PNIEC targets 22.5 GW by 2030, including thermal storage / concentrated solar power

Ontario-specific target: 6 GW of 10+ hr duration storage starting 2032

Policies as of 2025 Source: US DOE, California energy commission, Energy Storage News, LDES Council Map

Extracted from the PDF; charts and images may read imperfectly.