The bill pertains to the 2023 Annual Report on self-generation installations in Massachusetts, as mandated by Section 193 of the Electric Restructuring Act. It highlights the significant increase in self-generation installations, particularly photovoltaic systems, which accounted for 96.9% of the total 29,220 installations reported in 2023. The report indicates that these installations resulted in an estimated reduction of 5.1 million megawatt-hours (MWh) in electricity sales, representing a 12.36% decrease in total sales for electric distribution companies. The cumulative impact of self-generation since 1998 has led to a total reduction of approximately 35.4 million MWh, which is about 3.0% of total sales during that period.

Despite the growth in self-generation, the report concludes that it has not significantly affected the recovery of transition costs for electric distribution companies. The analysis shows that these companies have largely recovered their transition costs, with cumulative impacts from self-generation being minimal, generally less than 1.5% for each company. The report emphasizes that while the immediate effects of self-generation on electricity sales are relatively small, the long-term implications could be more substantial as the trend continues. The report includes new legal language regarding the monitoring and reporting of self-generation impacts, specifically noting the introduction of sections on "AGGREGATE REDUCTION OF ELECTRICITY SALES" and "IMPACT ON TRANSITION CHARGES."