Recently, General Electric Company of the United States and Edison SCE Company of Southern California announced their world's first battery-gas turbine hybrid power generation system in Norwalk, California. The system has been successfully operated on March 30 and is stable and reliable. And the commissioning of this system was less than 6 months after GE announced its plan in October last year.
On April 18, 2017, GE and Edison SCE of Southern California announced the operation of the world’s first battery-gas turbine hybrid power generation system. A few months ago, GE announced the initial deployment plan for this hybrid power generation system. The hybrid power generation system put into use this time is the first of two units.
The full name of the system is LM6000 Hybrid Electric Gas Turbine (HEGT, Hybrid Electric Gas Turbine). The system can provide peak-shaving support for SCE's rising renewable energy power generation capacity by supplying fast start-up and fast load-up functions when needed, and respond to renewable energy. Grid fluctuations caused by energy. The system was put into operation on March 30 and was installed in Norwalk, California, USA. The unit integrates a 10MW/4.3MWh battery energy storage system and a 50MW LM6000 aeroderivative gas turbine.
Ron Nichols, President of SCE, said: "The new system will help SCE make better use of resources on the grid, while improving the reliability of the entire grid, reducing the impact on the environment, and reducing costs for us and our customers. This technology also enables We can continue to expand our use of solar, wind and other renewable resources."
GE stated that the battery-gas turbine hybrid power generation system was developed under the background of the "Aliso Canyon Energy Crisis" in California, based on changes in regulations and grid requirements earlier this year, and will eventually support the addition of new ones to the California grid. Renewable Energy.
The Aliso Canyon energy crisis was caused by a serious natural gas storage well leak in Aliso Canyon, a suburb of Los Angeles, California, in October 2015. Although the leakage was controlled in February 2016, the entire facility was unusable. Ali The Thor Canyon gas storage facility was closed in 2016, and the facility is a large part of the infrastructure that supports natural gas power generation in Southern California. According to the California Energy Commission’s estimates, the shortage caused by the natural gas leak in the Aliso Canyon may affect gas-fired power plants, especially reducing the peak power generation resources used for emergency dispatch, which may eventually lead to a maximum of 14 days of blackout in summer. Therefore, The authorities have been looking for an energy storage project with fast peak shaving to prevent power outages and power shortages.
And this battery-gas turbine hybrid power generation system integrates a 10 MW lithium-ion battery energy storage system from Current (a new energy company established by GE), an existing LM6000 aeroderivative gas turbine, and a GE Power Service Company An upgraded version of the control system supplied. The system allows the gas turbine to operate in standby mode without using fuel, and can immediately respond to changing power dispatch requirements.
When peak shaving is not required, the gas turbine changes from minimum load to spinning reserve, and this power is supplied by the battery. When peak load is to be adjusted, the advanced control system can immediately switch the gas turbine from spinning reserve to minimum load, so that power can be delivered to the grid immediately. Therefore, this battery-gas turbine hybrid power generation system will save fuel, reduce maintenance costs, and reduce greenhouse gas emissions, allowing SCE to reduce emissions by 60% each year, while saving 2 million gallons of water.
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