Authorizes the utilities and transportation commission to, under certain conditions, regulate an electrical or gas company by authorizing an alternative form of regulation.

Requires electrical companies, gas companies, and the commission to use the greenhouse gas planning adder when evaluating and selecting conservation policies, programs, and targets.

Requires electrical companies to use the greenhouse gas planning adder in developing and evaluating integrated resource plans.

Requires gas companies to use the greenhouse gas planning adder in developing integrated resource plans that describe a mix of natural gas, biogas, or synthetic gas and conservation.

Requires electrical companies and gas companies to use the greenhouse gas planning adder in evaluating and selecting intermediate-term and long-term resource options.

Requires the commission to use the greenhouse gas planning adder in evaluating integrated resource plans and intermediate-term and long-term resource options selected by electrical companies and gas companies.

Requires a multistate electric company with retail customers and generation located outside the state to use the greenhouse gas planning adder beginning January 1, 2020.

Requires the following to be considered a nonemitting resource: (1) Gas consisting largely of methane and other hydrocarbons derived from the decomposition of organic material in landfills, wastewater treatment facilities, and anaerobic digesters; and

(2) Qualified biomass energy.