Why this matters
Pakistan search results often mix electricity-bill tools across different DISCOs. An estimate only makes sense if the connection is actually under IESCO, not LESCO, MEPCO, GEPCO, or another distribution company with its own portal flow and billing context.
Broad official coverage description
The official IESCO site describes its jurisdiction broadly from Attock to Jhelum and from the Indus side to the Neelum side in Kashmir, with Islamabad and Rawalpindi at the center of the network.
Who should use the calculator
Residential consumers in Islamabad, Rawalpindi, Attock, Chakwal, Jhelum, and the broader IESCO footprint can use this site as a planning and verification tool. Users outside that footprint should switch to the correct DISCO.