Hydrostor's Advanced Compressed Air Energy Storage (A-CAES) technology provides a proven solution for delivering long duration energy storage of eight hours or more to power grids around the world, shifting clean energy to distribute when it is most needed, during peak usage points or when other ene Contact online >>
Hydrostor''s Advanced Compressed Air Energy Storage (A-CAES) technology provides a proven solution for delivering long duration energy storage of eight hours or more to power grids around the world, shifting clean energy to distribute when it is most needed, during peak usage points or when other energy sources fail.
Using compressed air and water to store energy, A-CAES allows grid operators to draw on clean energy, even when there is no sun to fuel solar panels and no wind to generate energy from turbines.
Hydrostor''s technology has the benefit of using existing technology components and well-established engineering processes in a unique and patented application.
Entirely fuel-free, the plant produces zero greenhouse gas emissions, and helps enable a cleaner, more affordable, and more flexible electricity grid.
With 1.75 megawatts (MW) of peak power output; a 2.2 MW charge rating; and 10+ megawatt-hours (MWh) of storage capacity, this utility-scale commercial application of A-CAES technology is a significant achievement, conforming to all interconnection, uptime, performance and dispatch standards as set out by the IESO.
Hydrostor''s Goderich energy storage facility proves out the ability of Hydrostor''s A-CAES technology to fully participate in and deliver a range of valuable grid services to electricity markets.
Contributing to deeper understanding of commercial A-CAES facilities at utility scale, corroborating performance and operational metrics, and supporting research in partnership with regional academic institutions.
Facility is fuel free, enabling the province to utilize surplus baseload electricity as a fuel source to provide cost-effective and valuable generating capacity for Ontario.
Supporting economic diversification in cleantech alongside significant construction expenditures and related jobs within the community.
With a 50+ year lifetime, the facility will provide a stable revenue source for local communities. A-CAES plants use standard components and enables workers from the fossil-fuel industry to transfer existing skills to the clean energy future.The project will support diversified wage job opportunities and generate significant regional economic development from both the construction and operation of the project.
Willow Rock will allow California''s attractive and growing solar and wind resources to be directly converted into reliable, on-demand electricity for the greater Los Angeles region and the broader California grid for decades in the future.
The project supports the delivery of dispatchable electrical capacity into the Los Angeles Basin and broader California grid, while ensuring reliable long duration storage capacity well into the future as long duration storage becomes increasingly important to reliably serve load.
Willow Rock, and A-CAES technology, provides value in addition to energy storage by helping optimize the use of the existing transmission system. By storing excess wind and solar energy during times of abundance and dispatching this energy when it is most needed, our system allows for more efficient use of transmission lines to deliver reliable service and ensure new transmission is built where it''s most needed.
A-CAES technology offers systems diversity to the California grid to help enable grid resilience. It provides different generation characteristics relative to the other grid assets and storage technologies thereby supporting a more robust portfolio of clean energy resources.
The facility will deliver dispatchable capacity, using renewable energy generation in the High Desert area directly into the LA Basin and enable further renewable asset growth in the High Desert Solar Resource Area and Tehachapi Wind Resource Area.
Willow Rock provides an alternative to the use of fossil fuel power plants to meet electricity demand. It will support California''s objective of reducing GHG emissions 40% below 1990 levels by 2030. Key for enabling SB100 and LA100 objectives for 100% carbon-free renewable electricity by 2045.
A-CAES offers the equivalent bulk energy storage capabilities as pumped hydro storage with substantially lower land and water requirements. A-CAES is a sustainable energy storage technology that is non-combustible, has minimal residual hazardous waste at asset retirement and will experience virtually no performance degradation over its commercial lifetime.
The announcement marks a significant step forward for Australia''s clean energy transition and demonstrates the critical role that long duration energy storage will play in providing affordable, reliable, and emission-free electricity to power homes and businesses.
“We are delighted to be awarded this LTESA, which is a big vote of confidence in not only long duration energy storage, but also our compressed air solution as a key technology pathway for decarbonisation and grid reliability across Australia" said Curtis VanWalleghem, CEO of Hydrostor.
"This provides a model for getting much-needed firming capacity into Australian electricity markets, and we applaud the innovative leadership shown by the NSW Government and AEMO Services to support the development of clean and flexible power resources."
Martin Becker, Hydrostor''s Vice President of Business Development and Origination in Australia said, "Having reached this critical milestone, we are looking forward to progressing the permitting for our Silver City project and building on local partnerships in Broken Hill. We are excited to help contribute to the shared prosperity of the region through jobs and clean, reliable energy."
A first-of-its-kind energy storage project for Australia, the LTESA contract demonstrates the important capabilities of Hydrostor''s Advanced Compressed Air Energy Storage (A-CAES) technology, which will be deployed at Silver City to provide 200 MW of renewable energy storage for up to eight hours.
The Silver City project will bring significant benefits to the region, contributing an estimated $1 billion to the local economy alongside significant employment, skills, and training opportunities, including 750 direct and indirect jobs during construction and 70 ongoing jobs once in operation.
Hydrostor is developing a growing pipeline of large-scale projects across the world and when completed, Silver City will be one of the largest A-CAES facilities globally.
LTESA''s provide an important policy framework to encourage investment in large energy infrastructure projects such as Silver City that directly benefit NSW residents and are a key part of the NSW Government''s Electricity Infrastructure Investment Safeguard.
Please see AEMO Services release here: NSW Roadmap tenders delivering real progress to transforming our energy system (aemoservices )
Please see the NSW Minister for Energy, Penny Sharpe''s, release here: NSW secures more renewable energy projects | NSW Government
The Silver City Energy Storage ("Silver City") is an Advanced Compressed Air Energy Storage project capable of 200 MW generation for 8 hours duration (1600MWh). Reserve capacity of 250MWh is set aside to provide backup power during network outages. The project is located adjacent the Potosi Mine in Broken Hill, New South Wales, Australia.
Silver City will operate as a large energy storage asset, connected to the NSW grid and able to trade large quantities of energy on a daily basis. It will also act as an emission-free, long-term grid reliability solution for Broken Hill and the wider region, supporting existing and new renewable energy generation, and serving communities and mining loads in the most cost-effective manner.
This Project received development funding from the NSW Government under the Emerging Energy Opportunities Program and project funding from the Australian Renewable Energy Agency (ARENA) as part of ARENA''s Advancing Renewables Program. To learn more, visit https://
Hydrostor is a leading global developer and operator of long-duration energy storage systems. Hydrostor leverages a proven technology solution for delivering long-duration energy storage (eight hours or more) to power grids around the world. Hydrostor''s technology uses compressed air and water to store energy. This patented technology allows grid operators to draw on clean energy, even when there is no sun to fuel solar panels and no wind to generate energy from turbines.
Hydrostor has a successful utility scale facility commercially contracted to the Independent Electricity System Operator (IESO) located in Goderich, Ontario, and two advanced projects under development in Kern County, California and New South Wales, Australia. Hydrostor has an extensive early-stage pipeline of projects in North America, Australia and Europe.
Founded in 2010 and with headquarters in Toronto, Canada and offices in Melbourne, Australia and Denver, Colorado, USA, Hydrostor is backed by Goldman Sachs Asset Management, the Canada Pension Plan Investment Board (CPPIB) and other forward-thinking institutional investors, providing financial security to commit to top-tier energy projects.
As Australia modernizes its grid infrastructure and moves towards aggressive carbon emission reductions, it is undergoing one of the most rapid energy transitions in the world. As part of this transition, the Silver City Energy Storage Centre will eliminate the need for major investments in expensive new transmission lines and ongoing reliance on highly polluting diesel generators. The proposed Center will discharge 1,600 megawatt hours (MWh) of electricity, capable of delivering 8+ hours of energy delivery on a full charge.
The project received funding from the Australian Renewable Energy Agency (ARENA) as part of ARENA''s Advancing Renewables Program. To learn more, visit ARENA.GOV In December 2023 Silver City was awarded both a Network Service Agreement with Transgrid, and a Long-Term Energy Service Agreement (LTESA) from AEMO Services under the New South Wales government’s electricity infrastructure roadmap, marked significant progress for our Silver City project.
Silver City provides diversified skilled mining and construction job opportunities and generates significant regional economic development during both the construction and operation phases of the Centre. Delivers greater direct and indirect benefits compared to lithium-ion battery projects, with substantial in-situ construction works and a 50+ year lifetime.Additionally, A-CAES uses standard components and enables skilled workers from the mining and fossil-fuel industry to leverage existing skills while contributing to Australia''s clean energy future.
The Centre will deliver backup electrical capacity for Broken Hill ensuring the lights stay on and the mining infrastructure continues to operate in the event that the transmission line fails. A-CAES can also improve the reliability of supply to Broken Hill by making maximum use of existing renewables in the region, without the need to import and store large quantities of diesel fuel.
Options to cost-effectively expand either storage duration (i.e. MWhs of storage) or capacity (i.e. MWs of capacity) post-construction, allowing for low-cost, easy to deliver, future adjustment of the Centre''s configuration as market and grid needs continue to evolve.
Silver City uses an emissions-free process to support Australia''s objective of reducing carbon emissions to 26-28% below 2005 levels by 2030 in addition to Broken Hill''s local goal of achieving 100% renewable energy supply by 2030. Also avoids the burning and trucking in of large amounts of diesel fuel that supplies the current reliability solution for Broken Hill.
A-CAES can provide the equivalent bulk energy storage capabilities as pumped hydro with substantially lower land and water requirements, while repurposing existing mining infrastructure that would otherwise be retired.
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