Glow Energy PCL is a power and utility company in Thailand established in 1993.

EGAT power purchase agreements are central to Glow's business, accounting for 59.7 percent of revenues in 2015.

[3]: 67 The company has four major production facilities in industrial areas in Rayong and Chonburi Provinces.

As of 31 December 2015[update], the company had a total generating capacity of 3,207 MW of electricity and 1,206 tons per hour of steam.

In addition to Thailand, Glow Energy operates a hydroelectric plant in Laos's Attapeu Province.