Solarplaza Webinar | LDES - beyond lithium: The case for long-duration storage in Europe

Value of the Information & Strength of the Argument

The webinar provides valuable insights into the current state and future of LDES in Europe, combining policy analysis with industry perspective. Carolina Cruz effectively argues that while policy frameworks are evolving, significant barriers remain, particularly in taxation and market design that undervalue duration. Oonagh O’Grady’s presentation adds practical depth by showcasing Hydrostor’s A-CAES technology and real-world projects, strengthening the case for LDES deployment. The argumentation is coherent and well-structured, though it relies heavily on expert opinion rather than empirical data. The discussion of revenue streams and policy mechanisms is particularly useful for understanding the investment landscape.

Scientific Rigor, Source Quality, Title Accuracy

The webinar demonstrates a good level of scientific rigor, with speakers referencing specific EU policies (e.g., European Grids Package, CESAF) and international projects (Silver City, Willow Rock). However, detailed citations are not provided on-screen, and the sources are primarily institutional or corporate. The title accurately reflects the content, focusing on LDES in Europe. The description includes links to Solarplaza’s website and LinkedIn, but no direct references to academic papers or reports. Overall, the information is reliable but would benefit from more transparent sourcing.

The title accurately reflects the content, focusing on long-duration energy storage in Europe and the case for moving beyond lithium.

7/10

The webinar features two experts with direct industry and policy experience, providing a well-structured overview of LDES in Europe. Claims are generally supported by references to recent EU policy developments and specific projects, though some statements lack detailed citations. The content is current and relevant, but the format is a webinar with limited depth on technical specifics.

• 00:00Welcome & Introduction to LDES
• 00:41Meet the Speakers: Carolina Cruz & Oonagh O Grady
• 02:35Carolina Cruz: Policy & Market Design for LDES in Europe
• 05:51Understanding Revenue Streams: Adequacy, Stability, and Flexibility
• 09:47Transitioning to Inverter-Based Stability Services
• 11:02EU Market Design and Flexibility Needs Assessments (FNA)
• 13:10Barriers to Entry: Taxation, Grid Fees, and Permitting
• 16:20Fast-Tracking LDES under the European Grids Package
• 21:14Q&A: Is LDES Market-Driven or Government-Dependent?
• 22:45Oonagh O Grady: LDES Technology and Global Case Studies
• 29:01How Advanced Compressed Air Energy Storage (A-CAES) Works
• 34:18Lessons from Australia: The Silver City Grid Deferral Project
• 37:26Lessons from California: Large-Scale Utility Offtake Contracts
• 39:13Strategic Requirements for Scaling LDES in Europe
• 41:08Panel Discussion: Front-Running Markets and TSO Initiatives
• 50:46Commercial Potential and the Role of Large Energy Users
• 53:40Future Outlook: 2026-2030 Energy Independence Goals
• 57:21Closing Remarks and Upcoming Solarplaza Events

• Solarplaza Events — Mentioned in the video description as a resource for upcoming events and insights.
• Solarplaza LinkedIn — Mentioned in the video description as a way to stay updated.

• European Commission - Energy Storage — Supports the discussion on EU market design and flexibility needs.
• International Energy Agency - Energy Storage — Provides context on the role of energy storage in clean energy transitions.

• Critique of capacity markets — Some economists argue that capacity markets can distort electricity markets and may not be the most efficient way to ensure resource adequacy.