There is a national interest in reliability, a public good. It is in the national interest to avoid uneconomical investments in electricity infrastructure. Investments in efficiency, for which there are market barriers, could avoid some of those. Research and development is of national interest and is more efficiently done through national partnerships. Diversity provided by domestic renewable energy enhances national energy security.
Reduction of poverty is a national goal.
Public benefit programs should apply nation-wide. States should have the opportunity to meet this obligation by designing public benefit programs that meet their unique needs. System benefits programs should be competitively neutral. It's the right thing to do. Although the strategies listed are to different degrees imperfect, and therefore controversial, perfection is an impossible goal that should not subvert doing the best we can.