Assuming the oil-fired generation has 777 g CO2e /kWh emission factor, then an additional 777g of CO2e is required per kWh associated with the additional load. At this point the utility must add generation by bringing on line one of its oil-fired plants, albeit just to cover off the 0.1GW necessary to meet demand. A Complete portfolio of consulting and engineering services to help you with your Data Center strategy, design, implementation, and operational efficiency. The EPO, also often known as the 'big red button,' shuts off power for the entire data center in the event of an emergency. This is relevant when demand reaches a point such that the utility needs to start up non-CCS coal or oil- fired generators.Ĭonsider the example where the load on a grid is 20GW, comprising 7.5GW of wind and 7.5GW of PV renewable energy and 5GW of CCGT all running to match the load. Rich Miller There are lots of stories about the Emergency Power Off (EPO) button in data centers, and few of them have happy endings. Marginal emissions occur when the utility brings a different type of generating plant on the grid. The Impact of Marginal Emissions Reduction
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