On June 26, 2026, a corrected 2026 version of the electric Avoided Cost table used for the 2026 and 2027 program years was added to the CET. The new data table resolves a day-shifting code error that affected the 2026 version electric avoided costs, and correspondingly the calculated cost effectiveness outputs using those costs, since the 2026 version was released in August 2025. The issue caused electric avoided costs to be misaligned with the hourly impact profile day of the week when calculating the quarterly avoided cost data used in the CET to calculate cost effectiveness metrics.

The correction affects the following electric cost effectiveness outputs:

• Total System Benefit (TSB)

• Total Resource Cost (TRC)

• Program Administrator Cost (PAC)

• Ratepayer Impact Measure (RIM)

• Societal Cost Test (SCT)

The following outputs were not affected:

• Energy savings (kW, kWh, Therms)

• GHG outputs

• All Gas cost effectiveness calculations

Action Required

Users who generated CET results using the previous avoided cost data should review their analyses and, as needed, rerun cost effectiveness calculations using the corrected version, available as Avoided Costs 2026 in the CET run parameters.