MD SB1000

Expands certificate of public convenience and necessity (CPCN) requirements from overhead transmission lines only to all transmission lines carrying voltage exceeding 69,000 volts, including underground lines

Requires the Public Service Commission to adopt regulations establishing specific criteria for waiving CPCN requirements, including consideration of ratepayer costs and environmental impacts

Repeals the automatic waiver provision that previously allowed construction on existing overhead transmission lines without a CPCN when no new property acquisition or larger structures were needed

Prohibits construction of data centers (facilities with at least 5 megawatts demand and over 80% load factor) in Baltimore City development districts subject to tax increment repayment on outstanding bonds, with an exception for the City-Wide Affordable Housing Development District

Takes effect June 1, 2026