HB 1723·NH·house
requiring utilities and electric grid operators to assess and report the vulnerability of high-voltage transformers to geomagnetic and electromagnetic disturbances, and to recommend mitigation measures to protect the state electric infrastructure.
Signed into LawFiled Dec 17, 2025
Sponsor: Rita G Mattson
Latest Action
Signed by Governor Ayotte 07/10/2026; Chapter 310; eff. 9/1/2027
Jul 16, 2026
Summary
The bill directs electric utilities and grid operators to study how vulnerable high‑voltage transformers are to solar storms and other electromagnetic disturbances. They must submit reports on those risks and propose steps to safeguard the state’s power system. This aims to prevent large‑scale outages caused by space‑weather events.
AI-generated summary — may be incomplete or inaccurate. Verify against the official bill text.
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