5.6.9 Integrated Resource Planning

LPDD Recommendation: “States should evaluate new power projects based on their system-wide project costs and benefits, and should favor integrated planning approaches that compare the social costs and benefits of various power projects.”

Mississippi IRP Process

Requires utilities to consider distributed energy resources and demand-side management in addition to traditional supply-side resources.

California IRP Proceedings on Climate Targets, Energy Mix

California's PUC set a new emissions target for its electric sector to guide integrated resource planning processes that would double the state’s clean energy capacity by 2030 and prohibit the development of new natural gas plants.

Washington Administrative Code 480-90-238

Stipulates that when the PUC applies a Lowest Reasonable Cost test, it must consider, among other things, “the cost of risks associated with environmental effects including emissions of carbon dioxide.”

Minnesota Order on Cost of Carbon in Resource Planning

The Minnesota PUC published a 2018 Order establishing a range of $9.05 to $43.06 per short ton of CO2 e, which will be used by 2020 in evaluating and selecting resource options in all commission proceedings.

Colorado Order on Using Carbon Costs in Resource Plans

In 2017, the Colorado Public Utility Commission (PUC) ordered Xcel to use the social cost of carbon Energy Resource Plan (ERP) that would guide utility investments through 2024.