A Cláusula de Ajustamento da Tarifa é ajustamento na tarifa que reflecte a flutuação do custo de produção de energia, fixado trimestralmente.

Trimestre	Data Efectiva	Taxa (MOP/kWh) - Tarifa A	Texa (MOP/kWh) - Tarifa B, C, D & Tarifa para Meios de Transporte Eléctricos
2022 T3	2022-07-22	0.40	0.40
2022 T2	2022-04-26	0.40	0.40
2022 T1	2022-01-24	0.35	0.35
2021 T4	2021-10-22	0.35	0.35
2021 T3	2021-07-23	0.35	0.35
2021 T2	2021-04-26	0.35	0.35
2021 T1	2021-01-22	0.29	0.29
2020 T4	2020-10-20	0.29	0.29
2020 T3	2020-07-21	0.29	0.29
2020 T2	2020-04-22	0.31	0.31
2020 T1	2020-01-21	0.33	0.33
2019 T4	2019-10-22	0.32	0.32
2019 T3	2019-07-23	0.34	0.34
2019 T2	2019-04-23	0.35	0.35
2019 T1	2019-01-21	0.37	0.37
2018 T4	2018-10-22	0.36	0.36
2018 T3	2018-07-20	0.38	0.38
2018 T2	2018-04-20	0.37	0.37
2018 T1	2018-01-19	0.34	0.34
2017 T4	2017-10-19	0.32	0.32
2017 T3	2017-07-20	0.31	0.31
2017 T2	2017-04-19	0.30	0.30
2017 T1	2017-01-18	0.33	0.33
2016 T4	2016-10-18	0.31	0.31
2016 T3	2016-07-19	0.34	0.35
2016 T2	2016-04-20	0.34	0.36
2016 T1	2016-01-20	0.37	0.42
2015 T4	2015-10-19	0.37	0.42
2015 T3	2015-07-17	0.36	0.43
2015 T2	2015-04-16	0.35	0.42
2015 T1	2015-01-15	0.37	0.45
2014 T4	2014-10-16	0.37	0.45
2014 T3	2014-07-17	0.36	0.46
2014 T2	2014-04-17	0.36	0.45
2014 T1	2014-01-20	0.36	0.44