An Act concerning measures to ensure accountability for large-load data centers. (SB 102, CO)

Directs public utilities commission to determine maximum percentage of large data center energy consumption that is “technically and economically feasible” to be renewable on an hourly matching basis and update at least every 3 years. Requires large data centers to generate or acquire renewable power equal to 100% of annual consumption, and at the maximum feasible percentage on an hourly matching basis. Any utility contract for power must be for at least 15 years and cover all associated costs. Data centers must implement water efficiency measures and backup generators must maximize renewable resources and storage. Limitations on use of combustion generators. Annual reporting on energy and water use, sources, and efficiency; report to be made public. Dept. of local affairs to publish model codes regarding data centers and zoning, impact mitigation, public engagement processes, water and land use, community benefit agreements, reporting fossil fuel usage, and pollution – to be updated every five years. Data center permit applications to include site assessments detailing water usage, emissions, impacts on varied local resources, backup generation, and public engagement. Additional impact assessments and requirements for some data centers in disproportionately impacted communities, including public hearings and CBAs. Imposes labor and wage requirements for data centers.