Standard Offer Service rate update

Total residential Standard Offer Service (SOS) rate for December: $0.103591 per kilowatt-hour (kWh).

Winter Residential Energy Charge: $0.1060 per kWh
December Residential PCA: ($0.002409) per kWh

SMECO’s PCA for December was 2.28% less than the current residential base SOS rate.

Chart - Power Cost Adjustment as a percentage of energy rate: October 0.51%, November -0.69%, December -2.28%

SMECO must revise its base energy rate if the PCA for three consecutive months is 5 percent more or less than the base energy rate. The PCA for December did not meet the trigger level of 5 percent. SMECO’s base energy rate will remain unchanged at this time.

2025 Standard Offer Service rate in review

Chart - Power Cost Adjustment as a percentage of the energy rate throughout 2025: January 5.87%, February 7.76%, March 18.32%, April 17.43%, May 10.6%, June 3.51%, July 2.89%, August 8.46%, September 4.71%, October 0.51%, November -0.69%, December -2.28%. The adjustment was more than 5% above the energy rate for three months in a row, prompting an energy rate adjustment filing. SMECO filed for rate adjustment in April and the new energy rate went into effect in June.