SD SB135

Defines "data center" as a facility for electronic data storage and processing with peak demand of 10 megawatts or greater

Requires electricity providers to establish separate service terms for data centers, mandating data centers reimburse providers for all attributed costs including costs if the data center leaves or reduces its load

Preserves local government authority by prohibiting state preemption of county, municipal, or other political subdivision ordinances regulating data center construction, development, or operation

Requires data center operators to notify local water providers of projected water consumption before commencing operations and obtain written compatibility determinations, which must be submitted to the Board of Water Management

Mandates semi-annual water usage reports from data centers to the Board of Water Management, with usage data made publicly available; caps data center water consumption at limits set by the board after prioritizing residential and essential public services