The actual capacity of CEM’s generation consists of two power stations located on the Coloane Island namely Coloane Power Station A (CCA) and Coloane Power Station B (CCB), which are with 271.4 MW and 136.4 MW of installed capacity respectively.

The type of generation technology deployed are the low speed diesel generator (CCA) and the combined cycle gas turbine (CCB). These two types of generating units make up of 66.6% and 33.4% of total capacity installed and accounted 13.0% and 87.0% of total electricity generation in 2021 respectively.

In 2021, the gross energy demand was 5,648.8 GWh, of which 286.9 GWh was produced by CEM and 5,361.9 GWh has acquired from external suppliers. The energy breakdowns between CEM generation and energy acquisition were 5.0% and 95.0% respectively. The annual growth rate is 5.0%. The peak demand was 1037.4 MW.