HONOLULU (KHON2) — Thousands of Hawaiian Electric customers are experiencing power outages while some residents on Oʻahu are reporting flooding and a landslide all while a flash flood warning is in effect across the island.

According to Hawaiian Electric, approximately 1,100 customers were left without power in Kaneohe at 6:50 p.m. Sunday night. Within an hour, power was restored to all but approximately 240 customers in the area.

Alongside Kaneohe customers, approximately 1,750 customers in Kailua were left without power at 7:50 p.m., according to Hawaiian Electric. At 9:20 p.m., the number of Kailua customers without power went up to approximately 3,820.

Power is also out for an unknown amount of customers in Hawaii Kai as of 8:20 p.m. and in Kuliouou as of 8:59 p.m.

There is no estimated timeframe for the restoration on power, according to Hawaiian Electric.

Residents in Waimea Valley and Hawaii Kai are also reporting of flooded homes online, following reports of thunder and lightning in the area.

Meanwhile, a landslide on Old Kalanianaole Road in Kailua and Waimanalo has shut down the road, according to HPD.

Hawaiian Electric says first responders are en route to the sites of the power outages. For those experiencing trouble, Hawaiian Electric can be contacted at their trouble line at (855) 304-1212 or by visiting their website.