A total of 32 homes are without power on a residential estate off Croston Road and Wellfield Road this afternoon (Friday, May 10).
Electricity North West confirmed that the power outage is due to a fault with an underground cable which occurred at 1.02pm.
Engineers are on site, but the network operator is warning people that power might only be restored to their homes after 7pm.
A spokesman for Electricity North West said: "Our teams are currently on site and are working towards returning power to those affected.
"We will endeavour to resolve the issue as soon as possible."
These are the affected areas in Lostock Hall
PR5 5JG - Gainsborough Avenue
PR5 5JZ - Haydon Avenue
PR5 5LQ - Wellfield Road
PR5 5LW - Turner Avenue
PR5 5LX - Constable Avenue
PR5 5LY - Blake Avenue
PR5 5NP - Yewtree Grove