Review of 2008 Ten-Year Site Plans - Public Service Commission

Firm Peak Demand (MW)
58,000
56,000
54,000
52,000
50,000
48,000
Figure 2. Summer Peak Demand Forecast
46,000
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
2007 2008
As seen in Figure 3 below, the reduction in summer and winter peak demand projections
translates to a reduction in the utilities’ energy forecasts. Thus, a similar trend can be seen as current
annual net energy for load projections are an average of nearly 6,000 GWh less than last year’s
projections. Overall, Florida’s utilities project energy consumption to increase nearly 70,000 GWh
over the planning period.
Net Energy for Load (GWh)
330,000
310,000
290,000
270,000
250,000
Figure 3. Energy Demand Forecast
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
2007 2008
The Commission has reviewed the historical forecast accuracy of total retail energy sales for
the five-year period from 2003-2007. The Commission’s analysis, summarized in Table 3 on the
following page, compared actual energy sales for each year to energy sale forecasts made three, four,
Review of 2008 Ten-Year Site Plans - 9 -