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PG&E outlines 2025 leak-detection pilots: drones, helicopter lidar and meter-set tape trials
Summary
PG&E gas engineer Monique Montague told a CPUC workshop the utility deployed a new drone sensor into operations in 2025, used Bridger Photonics gas-mapping lidar for transmission surveys, piloted continuous monitoring at Los Medanos storage, and reported a 38-meter-set AlphaTape pilot reached a 100% success rate while operations evaluate a putty alternative.
Monique Montague, a gas engineer on PG&E’s research-and-development team, presented the utility’s 2025 updates to its Natural Gas Leak Abatement (NGLA) projects at a California Public Utilities Commission workshop. She described several pilots and near-term deployments intended to improve leak detection and reduce emissions.
“In 2025, our leak survey team deployed a new drone sensor into operation,” Montague said, adding that the utility narrowed earlier pilots to a single sensor and adjusted flight patterns and conditions to raise the probability of detection. PG&E deployed the drone to operations alongside an existing ARCAD unit.
Montague also described testing and a 2025…
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