A number of high-profile utility supply failures in North America at the beginning of the millennium prompted SCE to proactively review its own operations and to take action to ensure it had a robust infrastructure capable of providing a reliable supply of electricity to its customers. In addition all utilities in California were being closely monitored by the California Public Utilities Commission (CPUC) which, as the regulator for privately owned utilities, was keen to avoid potential failures.
As a result of the review at SCE, a capital budget of $9 billion was allotted across the transmission and distribution business unit to replace the aging transmission, substation and distribution infrastructure between 2007 and 2011.
Aside from the sheer scale of the project there were many complex issues that impacted the day-to-day running of the business. SCE had to balance shorter cycle maintenance projects with the vast long-term program.
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