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A-CAES Design and Feasibility Assessment Tools Development

Strategic Area

Smart Grid and Energy Storage
(Stationary)

Status

Active

Partners

Sustainable Development Technologies Canada

Fund

Energy Innovation Program

Year

2021

EIP Contribution

$500,000

Project Total

$ 2,048,468

Location

Toronto, ON

Find out more

Hydrostor Inc.

Lead Proponent

Hydrostor Inc.

Project Objectives

This Project will advance progress toward the final step in the Advanced Compressed Air Energy Storage (A-CAES) technology evolution. A-CAES is Hydrostor’s unique grid storage solution, which provides long-duration storage like pumped hydro, but has the key advantage of being able to be flexibly sited where the grid needs it, allowing the targeting of high-value and immediately available grid applications like transmission deferral and displacement of fossil-fuel based generation. The technology operates very similarly to a gas plant but is entirely non-emitting, is potentially much more cost-effective than batteries at scale with an estimated 50 year asset life and is ideally suited to providing the long-duration storage resource necessary for decarbonizing the grid.

The objective of this project is the development work associated with commercial projects at full-scale. This involves design optimizations, development work, creating and validating broad feasibility assessment tools, advancing control strategy and plant controls optimization, and optimizing the topside and subsurface design and full-scale design basis. This will result in a flexible reference design that will apply to A-CAES facilities going forward.

Expected Results

Expected results for the project include, increased readiness for wider deployment of a clean-energy technology, providing economic, health, and climate benefits through grid decarbonisation and increased resiliency options; job creation and employment of highly-skilled labour; and, development of a Canadian technology and related Intellectual Property with export potential.

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