Center for Energy Efficiency and Renewable Technologies
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California’s Path to Decarbonization
TRANSMISSION PLANNING, PERMITTING, AND TIMELY CONSTRUCTION
GridLAB & CEERT
Earlier this year, the Center for Energy Efficiency and Renewable Technologies (CEERT) released a report, “Transmission in California”, on the need to build new high voltage transmission projects and upgrade existing transmission lines and substations in order to make substantial progress in the near and medium term in decarbonizing California’s electric system and the economy.
This report noted three important trends that have increased opportunities to accelerate decarbonization of California’s grid and economy—first, the rapid decline in costs of clean energy technologies; second, the improved recognition of suitable geographical locations where clean energy technologies can be sited; and third, the increase in electric load expected from the electrification of transportation, heating, and other end uses.
The enactment of the Inflation Reduction Act by Congress with sustained tax incentives for clean energy technologies has resulted in a surge of interest among investors and renewable energy project developers about opportunities in California. This interest can be observed by the flood of interconnection applications that have been submitted in the CAISO’s Cluster 14 and Cluster 15 application periods.
The Cluster 15 window, which closed on April 16, 2023, resulted in 546 new interconnection applications. This quantity exceeded the so-called Supercluster 14, which had 373 applications (a 46% increase). There are currently over 530 GW of interconnection applications in the CAISO queue; an order of magnitude more than is required to meet California’s needs.
Through coordinated efforts, California’s energy policymakers have created the conditions that encourage a high-level of interest in building and operating clean energy resources that will help the State meet its greenhouse gas (GHG) reduction goals. However, California will need to continue to make sustained efforts to ensure that sufficient transmission capacity is permitted and built in a timely manner to leverage this competitive market, and that feasible alternatives also be considered so that the failure to build one project does not result in a failure to achieve the desired capability expansion in a specific planning horizon. Delays in upgrading the transmission system will create irreversible lost opportunities for clean energy development as the need for decarbonization becomes ever more urgent.
March 31, 2013 2011 Annual Report - (pdf)
August 30, 2013 Preliminary Reliability Plan for LA Basin and San Diego - (pdf)
June 25, 2013 The President's Climate Action Plan - (pdf)
May 23, 2013 Global Renewable Energy Market Outlook 2013 - (pdf)
February 27, 2013 The New Energy ROI: Resilience, Optionality, Intelligence - (pdf)
July 13, 2012 Energy Roundtable Discussion: Infrastructure Planning, Cost & Market Implications of the DRECP - (pdf)
February 1, 2012 Ivanpah Solar Update Report - (pdf)
December 11, 2011 Ishii Order Dismissing CA Pavley Case - (pdf)
December 7, 2011 Renewable Northwest Project Applauds FERC Ruling on BPA Over-Generation Policy - (pdf)
July 19, 2011 CEERT Update July - (pdf)