The city of Lewisville, Texas, confirmed a Tesla charging device ignited an "intense" house fire that engulfed a Lexus and the home's upper floors Monday.

Tesla, through its Tesla Electric division, is partnering with Sunrun to offer electric plans to Texas homeowners. After gaining

Aerial footage showed extensive damage, including a Lexus completely charred and structural damage to the roof and garage area of the home.

A Tesla charging unit sparked a two-alarm garage fire in Lewisville, Texas, on Monday and caused extensive damage to a second car and the upper floors of a home, a city spokesman said. (KDFW)

The homeowner reported coming home and plugging in her Tesla, the city of Lewisville said. She reportedly then noticed some "electrical arcing coming from the charger unit."

Tesla and Alphabet report quarterly earnings after the closing bell Wednesday, while Texas Instruments tumbles after issuing a disappointing profit forecast.

The Tesla CEO said the company expects to expand their autonomous driver service to include customer-owned cars.

Meanwhile, another artificial intelligence (AI)-powered transportation stock has rocketed higher this year, partly due to its emerging autonomous driving business. Lately, the stock seems to go up when Tesla goes down and vice versa. Is it the ultimate threat to Tesla's autonomous driving ambitions?