COMPARATIVE ENERGY FEDERALISM IN THE UNITED STATES

Introduction

Energy federalism in the United States concerns the constitutional and statutory division of regulatory authority between the federal government and individual states. Electricity regulation provides one of the clearest examples of this divided system. The Federal Power Act (FPA) gives the Federal Energy Regulatory Commission (FERC) substantial authority over interstate transmission and wholesale electricity sales, while states generally retain jurisdiction over retail electricity sales, local distribution, generation facilities, resource planning and most facility siting. FERC confirms that wholesale transactions normally fall under federal jurisdiction, whereas retail electricity purchases remain principally subject to state and local regulation.

Federal Regulatory Authority

Under the FPA, FERC regulates rates, terms and conditions governing interstate transmission and wholesale electricity transactions. This authority has become increasingly important because modern electricity grids operate across state boundaries through regional transmission organizations and independent system operators.

Federal regulation aims to prevent discriminatory transmission practices and ensure that interstate wholesale rates are “just and reasonable.” FERC's Order No. 888, for example, promoted open-access transmission and competition by requiring regulated transmission owners to provide nondiscriminatory access to their networks.

However, federal authority is not unlimited. States retain important powers over generation facilities, local distribution systems and retail electricity arrangements. This produces a model of cooperative and overlapping federalism, rather than completely separate spheres.

State Regulatory Authority

State public utility commissions traditionally regulate retail tariffs, utility service obligations, electricity distribution and the generation resources used to serve local consumers. States can therefore adopt renewable-energy policies, integrated-resource plans and consumer-protection measures.

Transmission siting also remains predominantly a state responsibility. Congress has nevertheless created a limited federal role for transmission infrastructure located within designated National Interest Electric Transmission Corridors, where FERC may exercise permitting authority under specified conditions.

Case Law

New York v Federal Energy Regulatory Commission, 535 U.S. 1 (2002)

Facts: FERC issued Order No. 888 requiring open and nondiscriminatory access to interstate transmission systems. New York challenged FERC's jurisdiction over transmission associated with certain retail electricity transactions.

Legal Issue: Whether FERC could regulate transmission connected with unbundled retail electricity transactions despite state authority over retail sales.

Judgment: The Supreme Court upheld FERC's jurisdiction over unbundled interstate transmission.

Legal Principle/Ratio: Interstate transmission can fall within federal jurisdiction even where the underlying electricity transaction has a retail dimension.

Significance: The case demonstrates that electricity federalism follows the statutory character of the regulated activity rather than simply whether a customer is classified as retail or wholesale.

FERC v Electric Power Supply Association, 577 U.S. 260 (2016)

Facts: FERC adopted Order No. 745 governing compensation for demand-response resources participating in wholesale electricity markets. Industry associations argued that FERC was indirectly regulating retail electricity consumption reserved to states.

Legal Issue: Whether FERC had authority to regulate wholesale-market demand-response compensation.

Judgment: The Supreme Court upheld FERC's rule.

Legal Principle/Ratio: FERC may regulate practices directly affecting wholesale rates even when those measures have consequences for state-regulated retail markets.

Significance: The Court described the arrangement as reflecting cooperative federalism because states retained an important role in determining retail-customer participation.

Hughes v Talen Energy Marketing, LLC, 578 U.S. 150 (2016)

Facts: Maryland required utilities to enter contracts guaranteeing a generator particular revenues connected to participation in PJM's federally regulated capacity market.

Legal Issue: Whether Maryland's programme unlawfully interfered with FERC's exclusive control over wholesale rates.

Judgment: The Supreme Court held the Maryland programme pre-empted by the FPA because payment was conditioned on participation in the FERC-regulated capacity auction.

Legal Principle/Ratio: States may encourage new generation but cannot effectively replace or adjust a wholesale rate established through a FERC-regulated market.

Significance: Hughes defines an important boundary between legitimate state energy policy and impermissible interference with federal wholesale-rate jurisdiction.

Comparative Federalism and Energy Transition

The American system therefore permits significant regulatory experimentation among states. California, Texas, New York and other jurisdictions may pursue different electricity-market structures or generation policies while remaining subject to federal rules governing interstate wholesale markets and transmission.

This model offers flexibility but also creates jurisdictional disputes when renewable energy, storage, distributed resources and demand response simultaneously affect state and federal markets.

Conclusion

U.S. energy federalism is based on shared but differentiated regulatory authority. FERC primarily governs interstate transmission and wholesale markets, while states regulate retail supply, distribution, generation choices and most siting decisions. New York v FERC, FERC v EPSA, and Hughes v Talen demonstrate that modern electricity regulation requires continuous judicial balancing between federal market supervision and state energy-policy autonomy.