太平洋煤气电力公司（PG&E CORP）：正在对停电情况进行全面审查。

Group 1 - The core focus of the article is on Pacific Gas and Electric Company (PG&E Corp) conducting a comprehensive review of its power outage situations [1] Group 2 - The company is assessing the causes and impacts of recent power outages [1] - This review aims to improve operational efficiency and customer service [1] - PG&E Corp is likely to implement changes based on the findings of this review to prevent future outages [1]