Large-load tariffs and cost allocation laws by state

165 bills on large-load tariffs and cost allocation in 43 jurisdictions, 29 of them enacted in 2025 and 2026. The laws come first, with what each requires, then the bills that moved most recently.

  • 29 laws enacted in 2025 and 2026, in 19 states. Most: California (4), Delaware (4), Nebraska (2).
  • 165 bills in 43 jurisdictions, 9 of them in Congress. Latest action 19 October 2026.

Updated 2 November 2026LawsRecent billsBy state

Enacted in 2025 and 2026

29 laws, by state. Laws enacted before 2025 are not listed.

Alabama

  • Enacted

    SB 270: Electric Utilities; review by Public Service Commission of certain contracts with large load data centers further provided for

    The Public Service Commission must review contracts between utilities and large load data center customers requiring 150 megawatts or greater peak demand. The Commission must determine that such contracts provide positive benefits to other retail customers and promote conditions expected to benefit the utility's service territory over the contract term.

California

  • Enacted

    AB 2383: Electricity: data centers.

    The Public Utilities Commission must establish by January 1, 2028 a separate tariff classification for large energy use facilities. Electrical corporations and load-serving entities receiving service requests from large energy use facilities must ensure tariffs allocate costs proportionally, avoid cost-shifting to other consumers, and meet specified requirements including minimum 10-year contract terms and prohibitions on net metering.

    Takes effect 1 January 2027

  • Enacted

    SB 1168: Data centers: rate structures.

    The Public Utilities Commission must assess opportunities for rate structures in new or existing proceedings to ensure data centers pay their reasonable share of transmission and distribution costs, pay their proportionate share of load increases and procurements needed to reliably serve their loads, and alleviate cost pressures on residential ratepayers.

    Takes effect 1 January 2027

  • Enacted

    SB 886: California Technology Innovation and Ratepayer Protection Act.

    The Public Utilities Commission must establish separate tariffs for interconnection and transmission, distribution, and optional generation services to participating customers (data centers with minimum peak demand not exceeding 25 megawatts) by July 1, 2027. The commission must ensure tariffs prevent cost shifts to nonparticipating customers and require participating customers to prefund at least 10-year generation contracts and participate in demand response programs.

    Takes effect 1 January 2027

  • Enacted

    SB 57: Electrical corporations: data centers: report.

    The Public Utilities Commission may assess whether electrical corporation costs associated with new loads from data centers result in cost shifts to other customers. The commission must submit this assessment to relevant legislative policy committees and publicly post it on its website on or before January 1, 2027.

Colorado

  • Enacted

    HB 25-1177: Utility Economic Development Rate Tariff Adjustments

    Investor-owned electric utilities may propose economic development rates to qualifying commercial or industrial customers for up to 25 years and may negotiate agreements for loads up to 40 megawatts without commission approval if compliant with approved tariffs. The commission must approve or deny applications within 120 days after a 14 business day notice period and must consider broader economic benefits to all customer classes and surrounding communities.

Delaware

  • Enacted

    HB 233: An act to amend title 26 of the delaware code relating to large energy use facilities.

    Commission-regulated electric utilities must not provide distribution service to large energy use facilities unless the facility has entered into a Commission-approved Electric Service Agreement. Large energy use facilities may procure electric supply service from certified electric suppliers and cannot be required to purchase from the utility. ESAs must include specified protective provisions and cannot restrict procurement from certified suppliers.

  • Enacted

    HB 310: An act to amend title 30 of the delaware code relating to business tax credits and deductions.

  • Enacted

    SB 308: An act to amend title 26 of the delaware code relating to the load forecast accountability act.

    Amends the Load Forecast Accountability Act to require the Delaware Public Service Commission to consider four specific factors when investigating electric distribution companies' load forecast methodologies: project development status, ramping schedules, duplicative interconnection requests, and customer financial commitments.

  • Enacted

    SB 276: An act to amend title 26 of the delaware code relating to electric utilities.

Florida

  • Enacted

    SB 484: Data Centers

    Public utilities must file tariffs by October 1, 2026 ensuring large load customers bear their full cost of service without shifting costs to other ratepayers. Public utilities may not knowingly provide electric service to foreign entities qualifying as large load customers. Water management districts and the Department of Environmental Protection must require reclaimed water use by large-scale data centers when feasible.

    Took effect 1 July 2026

Idaho

  • Enacted

    H 911: PUBLIC UTILITIES – Adds to existing law to provide for new large loads.

    Public utilities must obtain commission approval before providing service to new large loads. Service contracts must include a no harm test demonstrating the load maintains service quality and funds its full cost of service. New large loads must provide financial security to protect against stranded costs.

    Took effect 1 July 2026

Indiana

  • Enacted

    HB 1007: Energy generation resources.

    Taxpayers making qualified investments in small modular nuclear reactor manufacturing in Indiana must claim a tax credit equal to ten percent of qualified investment against state tax liability. Energy utilities must obtain Indiana Utility Regulatory Commission approval before acquiring generation resources to meet load growth exceeding five percent of average peak demand or 150 megawatts, or before serving large load customers requiring over 500 million dollars capital investment.

    Took effect 1 July 2025

Kansas

  • Enacted

    SB 92: Extending the expiration date for provisions that authorize an electric utility to not offer parallel generation service to certain large load customers and exempt certain large load customers from the determination of the utility's peak demand.

    Every utility providing retail electric service in Kansas must enter into parallel generation service contracts with customers in good standing who wish to connect listed distributed energy systems to export excess power to the utility's system. Utilities must compensate customers for exported energy at not less than 100% of monthly avoided cost, except utilities may use locational marginal price or monthly system average cost through July 1, 2030.

Maine

  • Enacted

    LD 912: An Act To Address The Use Of Electricity By Data Centers

    A generation service provider may not provide to data centers in the State a cumulative amount of electricity in a calendar year that exceeds 25% of the total electricity sold by that generation service provider to all of its customers in the State in that calendar year. Generation service providers must file quarterly reports with the commission identifying each data center served, electricity sold to each data center that quarter, and other information the commission requires.

Nebraska

  • Enacted

    LB 1010: Adopt the Large Load Customer Regulation Act, provide for eminent domain relating to energy storage and regulation and taxation of energy storage resources, and change provisions relating to cryptocurrency mining operations and data centers

    Owners of renewable energy generation facilities and energy storage resources with nameplate capacity of one hundred kilowatts or more must annually pay a nameplate capacity tax of three thousand five hundred eighteen dollars per megawatt to the Department of Revenue. Owners must file annual reports by March 1 and pay taxes quarterly beginning April 1.

  • Enacted

    LB 526: Provide powers and duties for public power districts related to cryptocurrency mining operations

    Public power suppliers may impose requirements on cryptocurrency mining operations of one megawatt or greater for infrastructure upgrade costs, including direct payment, letters of credit, or terms and conditions. Persons intending to install such operations must notify their local public power supplier. Public power suppliers must conduct load studies before imposing requirements and publish operation counts and energy usage on their websites.

New Jersey

  • Enacted

    A 796: Requires electric public utilities to develop and apply special rules for certain data centers to protect non-data center customers from increased costs.**

    The Board of Public Utilities must establish standards within 12 months for electric public utilities to provide electricity to large data center customers. Electric public utilities must file tariffs within 180 days and apply them to large data center customers. Standards must ensure other customers do not subsidize data centers and that all costs are allocated to data center customers.

  • Enacted

    A 5466: Requires BPU to study effects of data centers on electricity costs.*

    Requires the Board of Public Utilities to study within one year how data centers affect electricity costs in New Jersey, including whether non-data center customers subsidize data center costs and what policy alternatives could mitigate rate increases, with findings due to the Governor and Legislature within 15 months.

Ohio

  • Enacted

    SB 103: Allow alternative rate plans for certain natural gas companies

    Natural gas companies with infrastructure development riders must apply to the Public Utilities Commission for alternative rate plans to serve large load customers consuming over 1.2 million Mcf annually. Alternative rate plans must protect non-participating customers from stranded costs and require monthly cost credits compensating other customers for the large load customer's system use.

Oklahoma

  • Enacted

    HB 2992: Corporation Commission; creating the Data Center Customer Ratepayer Protection Act of 2026; effective date; emergency.

    Electric suppliers must establish and maintain separate terms, conditions, and tariffs for large load customers, with service terms of at least ten years. Applicable governing bodies must ensure residential, commercial, and industrial customers are protected from unjust rates resulting from large load customer service. Large load customers must notify the Corporation Commission, county commissioners, and property owners within five miles at least sixty days before purchasing land outside industrial development projects.

    Took effect 1 July 2026

Oregon

  • Enacted

    HB 3546: Relating to large energy use facilities; and declaring an emergency.

South Carolina

  • Enacted

    H 3309: Electrical Utilities

    Electric utilities may elect to have annual rate adjustment procedures apply prospectively by filing notice with the Public Service Commission. Utilities must file quarterly monitoring reports showing actual and pro forma financial data. The Office of Regulatory Staff must review monitoring reports and propose adjustments to bring them into compliance with established procedures.

South Dakota

  • Enacted

    HB 1038: allow the Public Utilities Commission to assess actual costs to data centers that are customers of public utilities.

    The Public Utilities Commission may assess a data center customer of a public utility the actual costs associated with processing a request for approval of a contract with deviations or other electric service agreement, where the data center has a peak demand of ten megawatts or greater. Moneys collected must be forwarded to the state treasurer for deposit in the South Dakota Public Utilities Commission gross receipts tax fund.

    Took effect 1 July 2026

  • Enacted

    SB 135: protect residents from increased utility costs and utility shortages caused by data centers and clarify authority to regulate data centers.

    Providers of electricity must establish separate terms and conditions for data centers with peak demand of ten megawatts or greater, requiring data centers to reimburse all costs fairly attributed to service demand and consumption. Operators of data centers must notify local water providers of projected water consumption and submit semi-annual water usage reports to the Board of Water Management.

    Took effect 1 July 2026

Tennessee

  • Enacted

    HB 1847: Computers and Electronic Processing - As enacted, generally prohibits a municipality or electric utility to pay or absorb the cost of electrical infrastructure incurred to serve a data center; makes related changes. - Amends TCA Title 5; Title 6; Title 7; Title 13 and Title 65.

    The owner or operator of a data center must pay the full cost of infrastructure needed to support the data center. An electric utility must conduct ratemaking to ensure data center infrastructure costs are paid solely by the data center owner or operator and must not raise rates for residential or other commercial or industrial customers due to data center demand.

    Takes effect 1 January 2027

Texas

  • Enacted

    SB 6: Relating to the planning for, interconnection and operation of, and costs related to providing service for certain electrical loads and to the generation of electric power by a water supply or sewer service corporation.

    Large load customers in ERCOT requesting new or expanded interconnection exceeding 75 megawatts must disclose whether they are pursuing substantially similar requests elsewhere that would materially change their interconnection request. Interconnecting utilities must pass through reasonable interconnection costs to large load customers. Large load customers must disclose on-site backup generating facilities capable of serving at least 50 percent of on-site demand.

Virginia

  • Enacted

    HB 2644: Electric cooperative subsidiaries; customers exceeding 90 megawatts demand.

    Electric cooperatives may establish subsidiaries to engage in unregulated business activities, including making unregulated sales of electric power to members served at dedicated or excess facilities within the cooperative's certificated service territory that contract for electric utility services to serve a demand reasonably expected to exceed 90 megawatts. Cooperatives must separate regulated and unregulated businesses through affiliates and prohibit cost-shifting, cross-subsidies, and anticompetitive behavior between the cooperative and its affiliates.

    Took effect 1 July 2025

  • Enacted

    SB 1197: Electric cooperative subsidiaries; customers exceeding 90 megawatts demand.

    Electric cooperatives and their affiliates may establish subsidiaries to make unregulated sales of electric power to members served by dedicated or excess facilities within the cooperative's certificated service territory that contract for electric utility services to serve a demand reasonably expected to exceed 90 megawatts. Cooperatives must separate regulated and unregulated businesses except through affiliates.

    Took effect 1 July 2025

Bills that moved most recently

The 25 open large-load tariffs and cost allocation bills with the latest action. The Data Centers and Energy Load Tracker follows all 165.

  • Pennsylvania HB 1667: An Act amending the act of March 4, 1971 (P.L.6, No.2), known as the Tax Reform Code of 1971, providing for residential clean energy tax credit; repealing provisions relating to Pennsylvania Economic Development for a Growing Economy (PA EDGE) Tax Credits; providing for Pennsylvania Economic Development for a Growing Economy (PA EDGE) Tax Credits and for energy ratepayer protection; establishing the Energy Ratepayer Protection Fund; in manufacturing and investment tax credit, further providing for tax credit certificates and providing for limitations; and making a repeal.

    What it would do: Eliminates the gross receipts tax on electric energy sales for fiscal years beginning after June 30, 2026, requires entities to pass through tax elimination or reduction to consumers as reduced state tax surcharges, and increases manufacturing and investment tax credit limits from $30,000,000 to $60,000,000.

    Passed chamber

  • Congress H.R. 10809: Make Data Centers Pay Act

    What it would do: Amends the Federal Power Act to require that electric utilities recover the full incremental cost of serving data centers and high-density computing facilities with 20+ megawatts of load from those facilities alone, prohibiting cost allocation to other ratepayers.

    In committee

  • Congress H.R. 9340: Ratepayer Protection Act

    What it would do: Amends the Public Utility Regulatory Policies Act of 1978 to require electric utilities to charge large-load customers (non-residential consumers with peak demand of 100+ megawatts) rates that recover the full incremental cost of generation, transmission, or distribution upgrades needed to serve them, and to require such customers provide financial assurances before upgrades are made.

    Passed chamber

  • New Jersey A 4801: Establishes certain protections against demand by large-load addition customers in State.

    What it would do: Prohibits costs and obligations related to large-load addition customers from being passed to non-large-load customers. Requires large-load addition customers to bear curtailment obligations and provide financial security ensuring reliability procurement costs do not transfer to other New Jersey customers.

    Passed chamber

  • Pennsylvania SB 1469: An Act amending Title 66 (Public Utilities) of the Pennsylvania Consolidated Statutes, in rates and distribution systems, providing for large load hyperscale data center tariffs.

    What it would do: Requires the Public Utilities Commission to promulgate regulations establishing a separate large load tariff rate class for hyperscale data centers (those with peak load of 25 megawatts or above individually or 50 megawatts in aggregate) that accounts for full costs of service without shifting costs to other ratepayers.

    In committee

  • Congress H.R. 10579: Energy Cost Fairness and Reliability Act of 2026

    What it would do: Amends the Federal Power Act to require FERC to establish interconnection procedures for large load facilities (over 50 megawatts) seeking transmission system access, including requirements for demand flexibility, new generation resources, cost responsibility for studies and network upgrades, and labor standards for prioritized projects.

    In committee

  • Congress H.R. 10467: Data Center Fairness Fee Act of 2026

    What it would do: Amends the Clean Air Act to require the EPA to impose and collect a charge of $0.01 per kilowatt-hour on data centers and cryptocurrency mining facilities with over 50 megawatts of capacity, plus an additional $0.05 per kilogram of carbon dioxide equivalent for high-pollution facilities, beginning 2027.

    In committee

  • Michigan SB 1047: Public utilities: rates; separate rate class for large-load customers; require. Amends 1939 PA 3 (MCL 460.1 - 460.11) by adding sec. 10ii.

    What it would do: Requires covered utilities to submit tariffs or contracts for new or expanding data centers and large energy use facilities (20+ megawatts) to the commission or governing board for approval, with specified requirements including minimum 20-year contracts, collateral, demand response participation, clean energy procurement, and cost recovery mechanisms.

    In committee

  • Congress H.R. 10322: Data Center Fair Share Act

    What it would do: Amends the Public Utility Regulatory Policies Act of 1978 to require electric utilities to recover full incremental costs of generation, transmission, or distribution upgrades from large-load customers (100+ megawatts peak demand). Withholds 100 percent of highway apportionment funds from States that do not implement this standard.

    In committee

  • Congress H.R. 10139: Ratepayer Bill of Rights Act of 2026

    What it would do: Requires data centers with peak electricity demand of at least 50 megawatts or water withdrawal of at least 100,000 gallons per day to publicly disclose resource use, infrastructure costs, rate impacts, and public financial assistance, and prohibits ratepayers from subsidizing project-driven costs.

    In committee

  • Virginia HB 1379: Electric utilities; interconnection service standards, high-demand customers.

    What it would do: Requires the Commission to establish interconnection service standards for electric utilities serving high-demand customers with peak demand of 60 megawatts or greater, including requirements for on-site backup zero-carbon generation facilities serving at least 50 percent of new customers' peak demand and 20 percent for existing customers by January 1, 2032.

    In committee

  • Virginia HB 1515: Local approval of data centers; temporary moratorium.

    What it would do: Prohibits localities from granting final approval for rezoning, special exceptions, special use permits, site plans, or plans of development for new data centers until either all pending interconnection requests from data center customers to electric utilities are fulfilled or July 1, 2028, whichever is earlier.

    In committee

  • Virginia HB 503: Electric utilities; cost recovery, costs substantially related to serving data center customers.

    What it would do: Amends electric utility rate regulation to prohibit including costs substantially related to serving data center customers with peak demand of 100+ megawatts in general rates unless those costs are recovered solely from data center customers.

    In committee

  • Virginia HB 591: Data centers; policy of the Commonwealth.

    Passed chamber

  • Virginia SB 339: SCC; cost allocation proceedings for certain electric utilities, definitions.

    What it would do: Directs the State Corporation Commission to conduct proceedings by January 1, 2027 and 2028 to review whether Phase I and Phase II electric utilities' cost allocations for transmission, generation, and distribution unreasonably require non-high-load customers to subsidize high-load customers' costs.

    Passed chamber

  • Virginia SB 467: High load facilities; impact assessments.

    What it would do: Requires local governing bodies to obtain a State Corporation Commission finding of no or minimal impact before approving land-disturbing permits for high load facilities exceeding 90 megawatts electricity demand. Directs the Commission to assess impacts on grid reliability, capacity constraints, and utility obligations within 120 days.

    In committee

  • Virginia SB 700: Large-Scale Electricity Consumer Infrastructure Impact Fund; created.

    What it would do: Creates a Large-Scale Electricity Consumer Infrastructure Impact Fund and requires large-scale electricity consumers (over 25 megawatts demand) and localities approving them after January 1, 2028 to pay annual infrastructure impact fees to the fund for utility infrastructure costs and residential bill credits.

    In committee

  • Congress S. 5028: Ratepayer Protection Act

    In committee

  • Massachusetts H 5175: An Act relative to energy affordability, clean power and economic competitiveness

    What it would do: Establishes clean energy procurement authority, creates solar and energy storage incentive programs, requires utility bill transparency dashboard, mandates smart solar permitting platforms, and implements offshore wind pre-development funding to advance Massachusetts' clean energy and greenhouse gas reduction goals.

    Passed chamber

  • New Jersey S 731: Requires electric public utilities to develop and apply special rules for large load customers to protect non-large load customers from increased costs.*

    What it would do: Requires each electric public utility to file a tariff with the Board of Public Utilities for large load data centers with at least 100 megawatts maximum monthly demand, designed to protect non-data center ratepayers from increased costs and incentivize energy efficiency.

    Passed committee

  • Michigan HB 6135: Public utilities: rates; large load commercial rates for data centers; establish. Amends 1939 PA 3 (MCL 460.1 - 460.11) by adding sec. 10ii. TIE BAR WITH: HB 6140'26, HB 6141'26, HB 6137'26, HB 6138'26, HB 6142'26, HB 6139'26

    What it would do: Requires the Public Service Commission to establish large-load commercial rates for data centers within 180 days, mandating 15-year contracts, minimum monthly billing charges based on 60% of contracted demand, early termination fees, and 24-month collateral, with all generation and distribution costs borne by the data center.

    In committee

  • New York A 11560: Enacts the responsible data center development act

    What it would do: Establishes a one-year moratorium on permits for large data centers (20+ megawatts peak demand), requires public hearings and environmental impact reports, mandates separate utility rate classifications for large data centers, sets renewable energy procurement standards, and requires data centers to fund host community benefits including residential technologies and infrastructure.

    Passed chamber

  • New York A 9039: Establishes the "accountability of costs for data centers act"

    What it would do: Requires electric corporations, gas corporations, and municipalities to establish separate service classifications for large energy use facilities with peak demand of 20 megawatts or more, assigning all infrastructure, operational, and commodity cost increases to those facilities rather than other customers.

    In committee

  • Michigan HB 5982: Public utilities: other; contracts to service data centers; require to be treated as a contested case. Amends 1939 PA 3 (MCL 460.1 - 460.11) by adding sec. 6bb.

    What it would do: Requires the Public Service Commission to review as a contested case any contract between a covered utility and a large-load data center that provides preferential rates materially deviating from standard tariffs, and prohibits implementation until the commission issues a final approval order.

    In committee

  • Congress S. 4559: Energy Cost Fairness and Reliability Act of 2026

    In committee

Questions

Which states have large-load tariffs and cost allocation laws?

States that enacted large-load tariffs and cost allocation laws in 2025 and 2026: California (4), Delaware (4), Nebraska (2), New Jersey (2), South Dakota (2), Virginia (2), Alabama (1), Colorado (1), Florida (1), Idaho (1), Indiana (1), Kansas (1), Maine (1), Ohio (1), Oklahoma (1), Oregon (1), South Carolina (1), Tennessee (1) and Texas (1). Laws enacted before 2025 are not listed here.

Which states have the most large-load tariffs and cost allocation bills?

Virginia (22), New Jersey (11), New York (9), Congress (9) and California (8). In all, 165 bills in 43 jurisdictions, the latest action on 19 October 2026.

What do large-load tariffs and cost allocation bills cover?

Rates, contracts, minimum demand charges, collateral and exit fees for very large electric customers, and keeping their grid costs off other ratepayers. Each enacted law above has a line on what it requires.

Is this legal advice?

No. Which bills count as large-load tariffs and cost allocation bills, and the line on what each law requires or each bill would do, are drafted by software and not reviewed by an attorney. Every bill links to the legislature’s own record: read the text before relying on it. The list covers bills from the 2025 and 2026 sessions.

Follow large-load tariffs and cost allocation bills in every state

The Data Centers and Energy Load Tracker sends the bills that moved and a monthly report you can forward to a client.