Maui County fire crews battled a mobile transformer fire at a Maui Electric substation Tuesday morning, according to fire officials.

Crews were initially called to Puukolii Road in Lahaina just after 6:30 a.m. for a brush fire.

MECO says about 1,000 customers in Puukolii and Kaanapali were without power.

Firefighters had the blaze contained and extinguished by 7:45 a.m.

Power was restored in increments by 7:50 a.m.  The majority of customers affected, about 800, were brought back online at 12:38 p.m.  The remaining customers got power just before 1 p.m.

No injuries were reported.  The fire cause was undetermined.

Damage to the mobile transformer was estimated at $1,000,000.