Ensuring Grid Reliability in California: Strategies for Reduced Fossil Fuels
California needs to ensure grid reliability while reducing fossil fuels by implementing non-fossil strategies like customer-owned investments, clean investments, enhanced import/export trades, and long-term reliance on a western-wide grid, transmission, and clean firm power.
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Presentation Transcript
Clean Reliability: What does California need to ensure grid reliability while reducing fossil fuels? Senate Energy Utilities and Communications Committee Subcommittee on Clean Energy Future August 9, 2022 Michael Colvin Director, Regulatory and Legislative Affairs California Energy Program
What are the causes and consequences? Reliability concerns occur when there is insufficient power available Proper planning and forecasting is key! It is not just about total power, it s about certain locations and certain times of day. We need the electricity to be available in congested areas at certain times Note: because of covid and unusual weather patterns, energy demand and usage patterns are not normal
Climate change is changing things Source: California Energy Markets, 2021
Why fossil? CCGTs can run when we ask for as long as we ask We need the gas to be able to get there, which is harder We need the wires to get from the generator to the load pockets In addition to GHG, there are local impacts both air quality and coastal impacts There are both affordability impacts and other externalities that need to be mitigated
Non-fossil strategies are viable short term Customer owned investments (DERs) Clean investments make sense compensate customers accordingly More import/exports going from near term trades to a day ahead (EIM => EDAM) Short duration storage Customer price signals
Non-fossil strategies are viable longer term More reliance on a western wide grid More transmission More long duration storage More clean firm power
Thank you! Michael Colvin mcolvin@edf.org (415) 293-6122
