2009 Report - Pennsylvania Public Utility Commission

West Penn's 2008 summer peak load, occurring on June 9, 2008, was
3,823 megawatts (MW), representing a decrease of 0.4 percent from last year's
summer peak of 3,838 MW. The 2008-09 winter peak load was 3,671 MW or 3.5
percent higher than the previous year's winter peak of 3,546 MW.
The actual average annual peak load growth rate over the past 15 years
was 1.5 percent. West Penn's load forecast scenario shows the peak load
increasing from 3,823 MW in the summer of 2008 to 4,120 MW in 2013, or an
average annual growth rate of 1.5 percent. See Figure 2.17.
4,200
Figure 2.17 West Penn Power Company
Historic & Forecast Peak Load
4,100
4,000
3,900
Megawatts
3,800
3,700
3,600
3,500
3,400
3,300
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Tables 2.28-2.31 provide West Penn’s forecasts of peak load and
residential, commercial and industrial energy demand from 1999 through 2009.
In April 2002, Allegheny Power joined PJM Interconnection. As a PJM
member, Allegheny Power is responsible for following the reliability standards of
the PJM markets. The company has access to an increased amount of energy
resources within the expanded PJM market. West Penn remains an electric
distribution company, providing transmission and distribution service to its
customers and providing default service, or POLR, for those customers who do not
choose an alternate supplier.
Electric Power Outlook for Pennsylvania 2008-2013 53