Data Center Water and Energy Transparency Act of 2026

#4213 | S Congress #119

Subjects:

Last Action: Read twice and referred to the Committee on Energy and Natural Resources. (text: CR S1616-1617) (3/25/2026)

Bill Text Source: Congress.gov

Summary and Impacts
Original Text

Bill Summary

The "Data Center Water and Energy Transparency Act of 2026" is legislation aimed at increasing transparency and accountability regarding the energy and water usage of data centers in the United States. Under this Act, data center operators are required to submit annual reports to state authorities or the Environmental Protection Agency (EPA) and the Secretaries of Energy and Agriculture. These reports must detail the energy and water consumption of data centers with a peak demand of at least 25 megawatts, including specific monthly usage figures, sources of energy and water, and projections for future consumption over the next five years.

The Act establishes definitions for key terms and outlines the reporting obligations for both existing and new data centers. If a state lacks a program to collect this data, operators must report directly to the EPA and the Secretaries. The legislation also mandates the submission of aggregated data reports to ensure that local governments and the public can access information on the environmental impact of data centers.

Moreover, the Act authorizes states to enforce compliance and allows for fines for negligent reporting. It also includes provisions for the assessment of fees on data center operators to support the implementation of the Act. Overall, the legislation seeks to promote sustainability and improve understanding of the environmental effects of data centers.

Possible Impacts

The "Data Center Water and Energy Transparency Act of 2026" can have various effects on individuals and communities, particularly considering its focus on data center energy and water use reporting. Here are three examples of how this legislation could affect people:

1. **Increased Awareness and Transparency**: The legislation mandates data center operators to report their energy and water usage, raising awareness about the environmental impact of data centers. Residents in states with data centers may become more informed about the energy consumption and water usage in their areas, leading to public discussions on sustainability. This transparency can empower communities to advocate for more environmentally friendly practices or policies related to data centers and energy consumption.

2. **Potential Changes in Utility Rates**: By requiring data centers to report their water and energy usage, the legislation may lead to adjustments in local utility rates. If data centers significantly impact regional energy and water supplies, local governments may implement changes to address these effects, potentially resulting in higher utility rates for residents. Conversely, if data centers adopt more efficient practices as a result of the legislation, this could stabilize or even reduce overall utility costs for consumers in the long term.

3. **Environmental Impact Mitigation**: The requirement for data centers to propose plans for reducing their energy and water use could lead to more sustainable practices within the industry. As data centers work to comply with the legislation, they may implement green technologies and practices (e.g., renewable energy sources, water recycling systems) that benefit the environment. This could lead to improved local air and water quality, ultimately enhancing the quality of life for residents in the surrounding areas.

[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[S. 4213 Introduced in Senate (IS)]

<DOC>






119th CONGRESS
  2d Session
                                S. 4213

      To require data center operators to submit to States or the 
     Administrator of the Environmental Protection Agency and the 
Secretaries of Energy and Agriculture reports on data center energy and 
                   water use, and for other purposes.


_______________________________________________________________________


                   IN THE SENATE OF THE UNITED STATES

                             March 25, 2026

  Mr. Durbin introduced the following bill; which was read twice and 
       referred to the Committee on Energy and Natural Resources

_______________________________________________________________________

                                 A BILL


 
      To require data center operators to submit to States or the 
     Administrator of the Environmental Protection Agency and the 
Secretaries of Energy and Agriculture reports on data center energy and 
                   water use, and for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Data Center Water and Energy 
Transparency Act of 2026''.

SEC. 2. DEFINITIONS.

    In this Act:
            (1) Administrator.--The term ``Administrator'' means the 
        Administrator of the Environmental Protection Agency.
            (2) Data center terms.--The terms ``data center'' and 
        ``data center operator'' have the meanings given those terms in 
        section 453(a) of the Energy Independence and Security Act of 
        2007 (42 U.S.C. 17112(a)).
            (3) Energy use.--The term ``energy use'', with respect to 
        data centers, means the total quantity of electricity and other 
        forms of energy consumed on site by that data center, as 
        measured in kilowatt-hours.
            (4) Power usage effectiveness.--The term ``power usage 
        effectiveness'' has the meaning given the term in ISO/IEC 
        30134-2:2026 of the International Organization for 
        Standardization (or a successor standard).
            (5) Secretaries.--The term ``Secretaries'' means the 
        Secretary of Energy and the Secretary of Agriculture.
            (6) State.--The term ``State'' means--
                    (A) each of the several States;
                    (B) a territory of the United States;
                    (C) the Federated States of Micronesia;
                    (D) the Republic of the Marshall Islands;
                    (E) the Republic of Palau;
                    (F) an Indian tribe included on the list most 
                recently published by the Secretary of the Interior 
                under section 104 of the Federally Recognized Indian 
                Tribe List Act of 1994 (25 U.S.C. 5131); and
                    (G) the District of Columbia.
            (7) Unit of local government.--The term ``unit of local 
        government'' means any county, parish, city, town, township, 
        village, or other general purpose political subdivision of a 
        State with the power to levy taxes, expend Federal, State, and 
        local funds, and exercise governmental powers.
            (8) Water usage effectiveness.--The term ``water usage 
        effectiveness'' has the meaning given the term in ISO/IEC 
        30134-9:2022 of the International Organization for 
        Standardization (or a successor standard).
            (9) Water use.--The term ``water use'', with respect to a 
        data center, means the total amount of water consumed on-site 
        by a data center, including water used for cooling, as measured 
        in gallons.

SEC. 3. DATA CENTER MANDATORY REPORTING AND INFORMATION REQUIREMENT.

    (a) Data Collection.--
            (1) Report to state.--
                    (A) In general.--Beginning not later than 1 year 
                after the date of enactment of this Act but subject to 
                paragraph (2), each data center operator with 1 or more 
                data centers in a State shall submit to that State an 
                annual report that, with respect to each data center in 
                the State with a peak demand of not less than 25 
                megawatts operated by that data center operator, 
                describes--
                            (i) on-site energy use and water use for 
                        the preceding calendar year, including--
                                    (I) total energy use during each 
                                month of that calendar year;
                                    (II) if the data center relies on 
                                behind-the-meter power generation, the 
                                method to generate that power;
                                    (III) total water use and the 
                                source of that water during each month 
                                of that calendar year; and
                                    (IV) annual average power usage 
                                effectiveness and water usage 
                                effectiveness;
                            (ii) projected on-site energy use and water 
                        use for not less than the following 5 calendar 
                        years, which shall include proposals for 
                        reducing the energy use and water use of the 
                        data center and the increases in efficiency 
                        that are anticipated to result from those 
                        proposals; and
                            (iii) such other information as the State 
                        may require.
                    (B) Form.--A data center operator shall submit a 
                report under subparagraph (A) in such form and in such 
                manner as the applicable State may require.
                    (C) Fees authorized.--A State may, in requiring the 
                reports described in this paragraph, assess fees on 
                data center operators to support data collection under 
                this paragraph.
            (2) Report to administrator and secretaries.--
                    (A) In general.--If a State does not have a program 
                to collect the information described in clauses (i) and 
                (ii) of paragraph (1)(A)--
                            (i) the State shall inform the 
                        Administrator and the Secretaries jointly; and
                            (ii) a data center operator with data 
                        centers in such a State shall submit to the 
                        Administrator and Secretaries jointly a report 
                        that, with respect to each data center in such 
                        a State with a peak demand of not less than 25 
                        megawatts operated by that data center 
                        operator, describes--
                                    (I) the information described in 
                                those clauses; and
                                    (II) such other information as the 
                                Administrator and Secretaries may 
                                jointly require.
                    (B) Form.--A data center operator shall submit a 
                report under subparagraph (A) in such form and in such 
                manner as the Administrator and Secretaries may jointly 
                require.
            (3) Reports to local governments.--A report to a State or 
        the Administrator and the Secretaries jointly under paragraph 
        (1) or (2) shall be made available to an affected unit of local 
        government on request and, if applicable, in compliance with 
        any program established by the State for the collection of 
        those reports.
    (b) Reports on Prospective and Expanded Data Centers.--
            (1) Report to state.--
                    (A) In general.--Subject to paragraph (2), each 
                person seeking to construct a data center with a 
                projected energy use of not less than 25 megawatts and 
                each data center operator seeking to expand a data 
                center with a projected energy use of not less than 25 
                megawatts shall submit to the State in which the new or 
                expanded data center would operate a report that 
                describes--
                            (i) as applicable--
                                    (I) the projected energy use and 
                                water use and the sources of energy and 
                                water of the new data center during the 
                                first 5 calendar years after the data 
                                center begins operation; or
                                    (II) the projected increase in 
                                energy use and water use as a result of 
                                the expansion of a data center during 
                                the first 5 calendar years after 
                                completion of the expansion; and
                            (ii) proposals for reducing the energy use 
                        and water use of the data center and the 
                        increases in efficiency that are anticipated to 
                        result from those proposals.
                    (B) Form.--A report submitted under subparagraph 
                (A) shall be submitted in such form and in such manner 
                as the applicable State may require.
            (2) Report to administrator and secretaries.--
                    (A) In general.--If a State does not have a program 
                to collect the information described in paragraph 
                (1)(A)--
                            (i) the State shall inform the 
                        Administrator and the Secretaries jointly; and
                            (ii) a person seeking to construct a data 
                        center and each data center operator seeking to 
                        expand a data center in such a State shall 
                        submit to the Administrator and the Secretaries 
                        jointly a report that describes, with respect 
                        to the proposed data center or the expansion of 
                        the data center, the information described in 
                        that paragraph.
                    (B) Form.--A person or data center operator shall 
                submit a report under subparagraph (A) in such form and 
                in such manner as the Administrator and Secretaries may 
                jointly require.
            (3) Reports to local governments.--A report to a State or 
        the Administrator and the Secretaries jointly under paragraph 
        (1) or (2) shall be made available to an affected unit of local 
        government on request and, if applicable, in compliance with 
        any program established by the State for the collection of 
        those reports.
    (c) Aggregated Reports.--
            (1) Reports from states.--
                    (A) In general.--Each State that receives a report 
                under subsection (a)(1) or (b)(1) shall submit to the 
                Administrator and the Secretaries jointly an annual 
                report that describes the data collected pursuant to 
                all such reports submitted to the State under 
                subsection (a)(1) or (b)(1), as applicable, during the 
                previous year in such a manner as may be required 
                jointly by the Administrator and the Secretaries.
                    (B) Anonymized data.--The reports submitted under 
                subparagraph (A) shall only include anonymized and 
                aggregated information.
            (2) Public report.--The Administrator and the Secretaries 
        shall jointly make publicly available on an annual basis a 
        report that--
                    (A) describes--
                            (i) using information collected from the 
                        reports under subsections (a)(2) and (b)(2) and 
                        paragraph (1)(A), the aggregated total energy 
                        use and water use of data centers in the United 
                        States, by region, during the calendar year 
                        covered by the report;
                            (ii) regional impacts of data centers on 
                        water and electricity rates for consumers and 
                        communities;
                            (iii) the environmental impacts resulting 
                        from the operation of data centers, including--
                                    (I) water and energy sources, 
                                supply, quality, and reliability 
                                impacts on consumers and communities; 
                                and
                                    (II) other direct or indirect 
                                impacts; and
                            (iv) recommendations for best practices to 
                        limit the impacts described in clauses (ii) and 
                        (iii);
                    (B) includes, based on the reports received by the 
                Administrator and the Secretaries jointly under 
                subsections (a)(2) and (b)(2) and paragraph (1)(A) for 
                the calendar year covered by the report, the aggregated 
                projection of energy use and water use by data centers 
                for the 5 years following that calendar year; and
                    (C) does not include any information that the 
                Administrator and the Secretaries jointly determine is 
                proprietary.
    (d) Rulemaking.--
            (1) Federal authority.--The Administrator and the 
        Secretaries may jointly promulgate such regulations as may be 
        necessary to carry out this section.
            (2) State authority.--A State may promulgate such 
        regulations in accordance with the laws of the State as may be 
        necessary to carry out this section.
    (e) Enforcement.--
            (1) State enforcement.--If a State establishes a program 
        for collecting data pursuant to subsection (a)(1) and (b)(1), 
        the State may issue fines and otherwise engage in other 
        enforcement activities to comply with the requirements of this 
        Act and applicable State laws.
            (2) Federal enforcement.--
                    (A) In general.--Subject to paragraph (2), the 
                Administrator and the Secretaries shall jointly fine a 
                data center operator that negligently violates a 
                requirement of subsection (a)(2) or (b)(2) $20,000 for 
                each day that the data center operator is in violation 
                of that requirement.
                    (B) Inflation adjustment.--On the date that is 3 
                years after the date of enactment of this Act, and 
                every 3 years thereafter, the Administrator and the 
                Secretaries shall jointly adjust the amount described 
                in subparagraph (A) to reflect changes for the 36-month 
                period ending the preceding November 30 in the Consumer 
                Price Index for All Urban Consumers published by the 
                Bureau of Labor Statistics of the Department of Labor.

SEC. 4. FEES.

    The Administrator and the Secretaries shall jointly assess fees on 
data center operators that submit a report under subsection (a)(2) or 
(b)(2) of section 3 in an amount necessary to carry out this Act and 
may, without further appropriation, use the amounts collected to carry 
out those subsections.
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