SACRAMENTO  (AP) — Powers wielded by the president of the state’s top utility regulator would be diluted under a bill moving through the California Legislature.

State senators unanimously approved SB48 by San Mateo Democratic Sen. Jerry Hill on Monday in response to what Hill calls management failures by the Public Utilities Commission.

Former commission president Michael Peevey has been embroiled in a scandal involving improper communications between state regulators and utilities.

The bill would strip the PUC president’s power to direct staff, require the commission to hold at least six meetings in Sacramento and subject the commission’s decisions to review by judges.

Hill says the current structure is broken and argues the commission’s president should share responsibilities with the four other members of the commission.

The bill now moves to the Assembly.