Islamabad Electric Supply Company (IESCO) (Urdu: مشارکتِ برائے ترسیلِ برق اسلام آباد) is an electric utility company in Islamabad, incorporated in 1998.

[6] IESCO was formed in 1998 to take over the assets, functions and responsibilities of the erstwhile Islamabad Area Electricity Board, which was then a division of WAPDA.

IESCO's core function is to supply, distribute and sell electricity in the area from Attock to Jhelum, and from the river Indus to River Neelum in Kashmir.

[1] IESCO is structured into several administrative circles, each managed by different levels of engineering staff to ensure efficient operations and high customer satisfaction.

[7] In terms of customer service, IESCO offers various online services including bill checking and downloading, complaint registration, and information about tariffs and maintenance schedules.