NGG Alert: Kirby McInerney LLP Encourages National Grid plc Investors to Inquire about Investigation

Core Viewpoint - National Grid plc is under investigation for potential violations of federal securities laws related to a fire incident at Heathrow Airport caused by a known fault in its electrical substation [1][3]. Group 1: Incident Overview - On July 1, 2025, the National Energy System Operator (NESO) released a report indicating that a fire at Heathrow Airport on March 20, 2025, was due to a known fault at a National Grid substation [3]. - National Grid had been aware of the fault since 2018 but did not address the issue, leading to significant operational disruptions [3]. - Following the report, National Grid's American Depositary Receipt (ADR) price fell by $3.77, or approximately 5.07%, from $74.38 to $70.61 [3]. Group 2: Legal Implications - Kirby McInerney LLP is conducting an investigation on behalf of National Grid investors regarding possible unlawful business practices [1]. - Investors who acquired National Grid securities and have relevant information are encouraged to contact the law firm for further discussion [4]. Group 3: Firm Background - Kirby McInerney LLP is a New York-based law firm specializing in securities, antitrust, whistleblower, and consumer litigation, with a history of recovering billions for shareholders [6].