May 31 (Reuters) - More than 150,000 homes and businesses in the U.S. states of Texas, Louisiana, Arkansas and California were still without power on Friday after storms battered the region over the past week, according to meteorologists and data from PowerOutage.us.

That is down from over 268,000 customer outages in the region on Thursday and a peak of over 939,000 outages in several states from Texas to Kentucky on Tuesday.

Tornado-spawning thunderstorms that swept the Southern Plains and the Ozark Mountains killed at least 21 across four U.S. states over the Memorial Day holiday weekend.

Texas power company Oncor, a unit of California-based Sempra Energy (SRE.N) New Tab, opens new tab, had the most outages with 87,422 customers without power in the Dallas-Fort Worth area, according to PowerOutage.us.

Oncor said it had already restored power to over 500,000 customers. However, it added that heavy rain, thunder, lightning and flooding this week, including Thursday night, were impacting several of the communities where its teams were working to restore power.

Major outages by state:

Sign up here.

https://www.reuters.com/business/environment/over-231000-still-without-power-texas-other-us-states-2024-05-31/