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Siemens Energy engaged to bolster grid stability and support increased renewable power generation in California

With the retirement of Pacific Gas and Electric Co.’s (PG&E) Diablo Canyon nuclear power plant in 2025, it is expected that there will be greater sensitivity to voltage instability, especially as PG&E integrates more renewable generation onto the grid. Two of the STATCOM systems are to be installed at LS Power’s Orchard substation connecting to the existing PG&E Gates 500 kilovolt (kV) substation in Fresno County to provide 848 megavolt-ampere (MVAr) of dynamic reactive power support.  Under the light-load conditions, this support is anticipated to mitigate high voltages during extreme contingencies on the Bulk Power System.  
The other two STATCOMs will be installed at LS Power’s new Fern Road substation connecting the Round Mountain to Table Mountain 500 kV transmission lines. The purpose of these systems will be for voltage control and voltage support in case of system events and transmission outages.
“We are proud to partner with LS Power on this project,” said Matt Neal, vice president of Transmission Solutions for Siemens Energy. “LS Power has a forward-looking strategy to help ensure grid stability as more and more renewable power sources are part of the generation mix. When it comes to decarbonizing our energy systems, this will be one of the most important flexible AC transmission projects in the U.S., both in terms of the power and voltage rating, as well as the challenging location from a seismic perspective. We’re proud to support California’s efforts to incorporate more renewable energy sources into the power generation mix in a way that is not only efficient, but reliable in all weather conditions.”  
PG&E will replace the Diablo Canyon plant exclusively with energy sources that don’t emit CO2. The company has also promised to source 55% of its total electricity from the sun, wind, and other renewable energy sources by 2031.

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Siemens Energy is one of the world’s leading energy technology companies. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world. With its portfolio of products, solutions and services, Siemens Energy covers almost the entire energy value chain – from power generation and transmission to storage. The portfolio includes conventional and renewable energy technology, such as gas and steam turbines, hybrid power plants operated with hydrogen, and power generators and transformers. More than 50 percent of the portfolio has already been decarbonized. A majority stake in the listed company Siemens Gamesa Renewable Energy (SGRE) makes Siemens Energy a global market leader for renewable energies. An estimated one-sixth of the electricity generated worldwide is based on technologies from Siemens Energy. Siemens Energy employs more than 90,000 people worldwide in more than 90 countries and generated revenue of around €27.5 billion in fiscal year 2020. www.siemens-energy.com
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Stacia Licona

Siemens Energy

+1 281-721-3402