Authority to regulate the U.S. electricity system is split between the Federal government and the States. Traditionally, States have exclusive jurisdiction over retail sales, generation siting, and fuel choices (i.e., whether to authorize regulated utilities to burn coal or harness the wind). Federal regulators, meanwhile, have authority over interstate transmission and wholesale sales.
Over the past two decades, many States have required or encouraged utilities to increasingly rely on interstate markets for procuring energy, and Congress and Federal regulators have enabled this transition. This shift to markets has opened a new front in the long-standing tension between State and Federal authority. A host of legal challenges filed since 2010 argue that in this new regulatory environment State power to require or encourage renewable energy is limited by Federal authority over interstate markets.
StatePowerProject.org provides summaries of litigation and filed legal briefs and judicial or administrative decisions in those cases. The site also presents background about key concepts at issue, including relevant Constitutional provisions and electricity policies. The site’s policy resources section applies constitutional doctrines to state energy policies and suggests how states can work within constitutional constraints to achieve policy goals. In addition, Policymaker Summaries explore the latest academic literature about energy policy, states, and the U.S. Constitution.
Twenty-eight States have Renewable Portfolio Standards, which typically require utilities to generate or purchase a certain percentage of their electricity from renewable sources. Challenges to these types of State renewable energy policies argue that these laws are barred or limited by the dormant Commerce Clause, a Constitutional doctrine that prohibits States from passing laws that discriminate against out-of-state businesses or unduly burden interstate commerce. The lawsuits posit that requiring renewable energy to be generated within a State or transmitted to customers in the State, or providing incentives to do so, is unconstitutional because it inhibits out-of-state generators from competing on a level playing field. States have defended their renewable portfolio standards, arguing that these laws regulate their own utilities, rather than interstate markets, do not burden Federally regulated markets, or are exempt from Commerce Clause scrutiny.
Lawsuits, in Federal or State courts or before administrative agencies, challenge other State renewable energy laws or approvals of specific renewable projects. Some of these lawsuits make similar challenges using the dormant Commerce Clause. A second line of attack is that States’ energy policies impermissibly intrude on exclusive Federal authority over wholesale electricity markets. Under the Constitution’s Supremacy Clause, Federal law can preempt State action.
No proceeding has yet resulted in a court or administrative agency striking down a renewable energy law as unconstitutional. However, litigation is ongoing in several proceedings. In the 8th Circuit, Minnesota is asking the court to overturn a lower court decision that struck down a law aimed at reducing greenhouse gas emissions from the State’s electricity consumption. In the 10th Circuit, Colorado defended its Renewable Energy Standard. Challengers are asking the Supreme Court to review the decision, arguing that the law is unconstitutional under the dormant Commerce Clause. In the 2nd Circuit, Connecticut defended the design of an RFP for renewable energy from a Supremacy Clause challenge. Meanwhile, the 3rd and 4th Circuits affirmed district court decisions that struck down State incentives for new gas-fired generation. The Supreme Court is slated to review the 4th Circuits decision in 2016. Decisions in these and other cases summarized on this site will influence lower courts and administrative agencies deciding cases about the Constitutional limits of State authority to deploy renewable energy.
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