2023ReportAnnual UtilityBROUGHT TO YOU IN PARTNERSHIP WITHThe Annual Utility Decarbonization Reportis a deep dive into the state of decarbonization across the top 47 investor-owned utilities (IOUs) in the United States based on their electricity generation.The report utilizes a ranking system that focuses onsix key metrics related to each utility’s 2021* fuel mix,CO2 emissions, decarbonization goals,and low-carbon investments.* Date of data collection: April 2023npuc a nnua l u t ili t y dec a r boniz at ion r ep or t 2023pr eface iiCHANGE ANDOPPORTUNITYElectric power is a vital component for everyfacet of the economy. This report aims to inform, support, and encourage the rapid decarbonization of the electricity sector using data-informed analysis.This year's report emphasizes changeand opportunity in the utility sector.It discusses the urgent need for change, industry progress since the release of the last report, and strategies for accelerated change in the race to net-zero.Also highlighted are the advantages of decarbonization, emphasizing that sustainability offers both significant competitive and financial opportunities.npuc a nnua l u t ili t y dec a r boniz at ion r ep or t 2023pr eface iiiTABLE OFCONTENTS0102036 Reasons forDecarbonizing Utilities01Methodology14Decarbonization Index15Year-to-Year Progression30The 2023 U.S. UtilitiesDecarbonization IndexHighlights07Challenges0910Looking Back at 2021–202207Bibliography500405Obstacles38Strategies39Decarbonization Strategiesfor U.S. Utilities06About NPUC46Collaborators48About UsThe U.S. UtilitiesESG Report CardMethodologyESG Reporting Standards323336ESG Report CardChanges in the Indexnpuc a nnua l u t ili t y dec a r boniz at ion r ep or t 2023pr eface iv01THE GROUNDS FOR CHA...