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S. 4166Senate119th Congress (2025-2027)In Committee

SECURE Grid Act

Sponsored by Catherine Cortez MastoSen. Catherine Cortez Masto (D-NV)
Introduced March 24, 2026

AI-Generated Summary

Updated April 2, 2026 at 5:52 AM UTC

The SECURE Grid Act amends the Energy Policy and Conservation Act to make sure states consider the physical security, cybersecurity, and overall resilience of local electric distribution systems (those under 100 kV) in their energy security plans. It expands the scope of the plans to include equipment suppliers, requires states to outline risk‑mitigation strategies, and sets a 2031 sunset for the new rules. The bill also orders a GAO study to assess how well states are implementing these requirements and using federal assistance.

Key Provisions

  • Adds a definition for “local distribution system” as any electric utility infrastructure operating at 100 kV or less.
  • Requires each state’s energy security plan to address physical threats (weather, attacks, supply‑chain risks) and cybersecurity threats to those local distribution systems, and to include a risk‑mitigation approach for reliability and resilience.
  • Expands the entities covered to include suppliers of equipment for generation, transmission, and distribution of electricity.
  • Changes certain language so that states must submit the required information (but it does not need Secretary of Energy approval) and makes compliance mandatory rather than optional.
  • Sets an expiration date for the new requirements on September 30, 2031.
  • Mandates a GAO report by September 30, 2030 evaluating how state plans are improving risk identification, mitigation, and response, and reviewing the use and effectiveness of federal assistance.

Legislative Activity

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3 earlier actions
SenateCommittee Latest Action

Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.

Energy and Natural Resources Committee

September 30, 2026

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SenateIntro Referral

Introduced in Senate

March 24, 2026

SenateIntro Referral

Read twice and referred to the Committee on Energy and Natural Resources.

Energy and Natural Resources Committee

March 24, 2026

SenateCommittee

Committee on Energy and Natural Resources. Hearings held.

Energy and Natural Resources Committee

September 16, 2026

SenateCommittee

Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.

Energy and Natural Resources Committee

September 30, 2026

Bill Text

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Introduced in SenateIssued March 24, 2026

II

119th CONGRESS

2d Session

S. 4166

IN THE SENATE OF THE UNITED STATES

March 24, 2026

Ms. Cortez Masto (for herself, Ms. Murkowski, and Mrs. Shaheen) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources

A BILL

To amend the Energy Policy and Conservation Act to require States to include supporting the physical security, cybersecurity, and resilience of local distribution systems in State energy security plans, and for other purposes.

1.

Short title

This Act may be cited as the Securing Community Upgrades for a Resilient Grid Act or the SECURE Grid Act.

2.

Consideration of the security of local distribution systems in State energy security plans

Section 366 of the Energy Policy and Conservation Act (42 U.S.C. 6326) is amended—

(1)

in subsection (a)—

(A)

by redesignating paragraph (2) as paragraph (3); and

(B)

by inserting after paragraph (1) the following:

(2)

Local distribution system

The term local distribution system means any energy infrastructure owned and operated by an electric utility at a voltage of 100 kilovolts or less.

;

(2)

in subsection (b)(2), in the matter preceding subparagraph (A), by inserting , and suppliers of equipment for the generation, transmission, and distribution of electricity to, after owners and operators of;

(3)

in subsection (c)—

(A)

by striking paragraph (3) and inserting the following:

(3)

address potential hazards to each energy sector or system, including—

(A)

physical threats and vulnerabilities, including—

(i)

weather-related threats and vulnerabilities;

(ii)

physical attacks on local distribution systems and the bulk-power system; and

(iii)

supply chain risks for equipment for the generation, transmission, and distribution of electricity; and

(B)

cybersecurity threats and vulnerabilities, including threats to, and vulnerabilities of, local distribution systems that may impact the bulk-power system;

; and

(B)

by striking paragraph (5) and inserting the following:

(5)

provide a risk mitigation approach to enhance reliability and end-use resilience, including methods of responding to, mitigating, and recovering from potential hazards described in paragraph (3); and

;

(4)

in subsection (d)(3)—

(A)

in subparagraph (A), by striking and at the end;

(B)

by redesignating subparagraph (B) as subparagraph (C); and

(C)

by inserting after subparagraph (A) the following:

(B)

supplying equipment for the generation, transmission, and distribution of electricity; and

;

(5)

in subsection (e)—

(A)

in paragraph (2), by redesignating subparagraphs (A) and (B) as clauses (i) and (ii), respectively, and indenting appropriately;

(B)

by redesignating paragraphs (1) and (2) as subparagraphs (A) and (B), respectively, and indenting appropriately;

(C)

in the matter preceding subparagraph (A) (as so designated), by striking A State is not eligible and inserting the following:

(1)

Submission required

A State is not eligible

; and

(D)

by adding at the end the following:

(2)

State determination

A submission under paragraph (1) is not required to be approved by the Secretary.

;

(6)

in subsection (f), by striking may and inserting shall;

(7)

in subsection (h), in the matter preceding paragraph (1), by inserting , local distribution system, after electric utility; and

(8)

by striking subsection (i) and inserting the following:

(i)

Sunset

This section shall expire on September 30, 2031.

.

3.

GAO report

(a)

Definition of State energy security plan

In this section, the term State energy security plan has the meaning given the term in section 366(a) of the Energy Policy and Conservation Act (42 U.S.C. 6326(a)).

(b)

Report

Not later than September 30, 2030, the Comptroller General of the United States shall submit to the Committee on Energy and Commerce of the House of Representatives and the Committee on Energy and Natural Resources of the Senate a report on the efficacy of State energy security plans that includes—

(1)

an evaluation of whether and how State energy security plans have improved the ability of States—

(A)

to identify, assess, and mitigate risks to energy infrastructure and supply chains; and

(B)

to plan for, respond to, and recover from events that disrupt energy supply;

(2)

recommendations for—

(A)

improving the ability of States described in paragraph (1); and

(B)

actions the Secretary of Energy may take to improve coordination with States with respect to identifying, assessing, and mitigating risks to energy infrastructure and supply chains and planning for, responding to, and recovering from events that disrupt energy supply;

(3)

information on Federal financial assistance made available to States under part D of title III of the Energy Policy and Conservation Act (42 U.S.C. 6321 et seq.) that was used to implement State energy security plans;

(4)

information on activities carried out by States using that financial assistance;

(5)

an analysis of the efficacy of the implementation of section 366 of the Energy Policy and Conservation Act (42 U.S.C. 6326) (as amended by this Act); and

(6)

information on State use of assistance provided under section 366(f) of the Energy Policy and Conservation Act (42 U.S.C. 6326(f)) (as amended by this Act), including any revisions of State energy security plans made by States resulting from assistance provided under that section.

(c)

Protected information

The report required under subsection (b) shall be submitted in a form that may be made available to the public, except that any information protected from disclosure under section 366(h) of the Energy Policy and Conservation Act (42 U.S.C. 6326(h)) shall be included in the report in an annex that shall not be publicly disclosed, consistent with that section.