The facility is also first-of-its-kind financed with the Investment Tax Credit to provide critically needed dispatchable resource to meet urgent and growing demand for flexibility in Texas power market
The technology group Wärtsilä has reached commercial operation date (COD) for two major interconnected energy storage systems in South Texas totaling 200 MW and owned by Eolian L.P. (Eolian), a portfolio company of Global Infrastructure Partners. The Madero and Ignacio energy storage plants will be operated using Eolian software, enabling full participation in the Electric Reliability Council of Texas (ERCOT) market. This will add much needed year-round reliable operational ramping capacity to the system. The order for Wärtsilä was booked in February 2021.
The facilities’ multi-hour continuous dispatch capability provides the longest duration of any energy storage assets operating in ERCOT, and as a combined site, the project is the world’s largest (in MWh) fully-merchant and market-facing energy storage facility built to-date. It is also the first use of the Investment Tax Credit (ITC) for standalone utility-scale energy storage systems, which was introduced through the Inflation Reduction Act (IRA) of 2022.
Construction of the projects began in January 2021 to meet the rapidly evolving flexibility and reliability needs of the ERCOT market. The facility reacts instantaneously to sustain electricity output and keep the lights on when power generation fails or cannot respond quickly enough to rapidly-changing conditions. Wärtsilä and Eolian worked diligently to construct this critical piece of grid infrastructure throughout an exceptionally difficult period that included a global pandemic and severe supply chain disruptions. Despite these challenges, they persevered to complete the facility that will serve a power grid and market experiencing rapid load growth in tandem with repeated summer and winter extreme weather events.
“Wärtsilä was determined to deliver the Madero and Ignacio energy storage facilities on time, despite challenging industry forces, to ensure additional dispatchable resources to improve reliability for the ERCOT market,” said Risto Paldanius, Vice President Americas, Wärtsilä Energy. “Texas needs more flexible capacity solutions like energy storage for grid support and energy resource optimisation. This will help the state as it faces the natural replacement cycle of older inflexible generators and adapts to more frequent extreme weather events.”
“In the midst of an uncertain market redesign process, Eolian invested hundreds of millions of dollars to construct these projects using cutting-edge technology. We did this because of an unwavering belief that the highly flexible and instantly-dispatchable multi-hour resources at this site will do the hard daily work of fast-ramping and quick starts, allowing aging, inflexible and increasingly fragile generators to remain available to the system in backup roles. Adding new flexible resources today thereby preserves this older generation for more limited use in rare reliability events until they eventually retire and ensures an orderly transition during the natural replacement cycle of aging infrastructure. Madero and Ignacio are the definition of functional dispatchability and will keep the lights on while keeping electricity affordable,” added Aaron Zubaty, CEO, Eolian.”
Wärtsilä’s GEMS Digital Energy Platform is a critical aspect of the system, which monitors and controls the flow of energy, enabling these projects to provide grid support during periods of grid instability. With Wärtsilä’s Storage+ Solution, the projects will deliver key ancillary services required for grid stability, such as fast frequency response and frequency regulation. The Madero and Ignacio sites are the first systems to use GEMS to qualify for fast frequency response in the ERCOT market.
The project includes Wärtsilä’s GridSolv Quantum, a fully-integrated modular and compact energy storage system that offers the lowest lifecycle costs, fastest deployment times, highest quality control, and maximum flexibility. GridSolv Quantum is a certified UL 9540 compliant design fitted with several safety features.
Eolian owns and operates a growing portfolio of energy storage projects and invests in the most experienced renewable energy development teams in the U.S. For nearly 20 years, Eolian's founding management has worked together to build the assets at the core of the company, creating unique and proprietary structures that have directly funded the development of more than 21,000 MW of successfully operating energy storage, solar, and wind generating capacity across the country. Eolian is owned by its employees, and funds managed by Global Infrastructure Partners (GIP), a global, independent infrastructure investor.
Learn more:
Wärtsilä’s Energy Storage & Optimisation
Media contact for more information on this release:
Katri Pehkonen
Manager, Marketing & Communications
Wärtsilä Energy
Mob: +358 (0)50 591 6180
katri.pehkonen@wartsila.com
Image caption: Madero and Ignacio, the world’s largest fully-merchant and market-facing energy storage facility built yet will provide Texas’ ERCOT grid with needed flexibility amidst growing energy demand and extreme weather events.
© Eolian L.P.
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Wärtsilä Energy in brief
Wärtsilä Energy leads the transition towards a 100% renewable energy future. We help our partners to accelerate their decarbonisation journeys through our market-leading technologies and power system modelling expertise. These cover decarbonisation services, future-fuel enabled balancing power plants, hybrid solutions, energy storage and optimisation technology, including the GEMS Digital Energy Platform. Wärtsilä Energy’s lifecycle services are designed to increase efficiency, promote reliability and guarantee operational performance. Our track record comprises 76 GW of power plant capacity and 110 energy storage systems delivered to 180 countries around the world.
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Wärtsilä in brief
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve their environmental and economic performance. Our dedicated and passionate team of 17,500 professionals in more than 240 locations in 79 countries shape the decarbonisation transformation of our industries across the globe. In 2022, Wärtsilä’s net sales totalled EUR 5.8 billion. Wärtsilä is listed on Nasdaq Helsinki.
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