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Decision
EMA consulted generation companies on the Replanting Framework, from 28 November 2025 to 9 January 2026. A total of 6 companies responded to the consultation paper. In view of the impact that the Replanting Framework may have on market competition, EMA will not be implementing the Replanting Framework. To mitigate the potential supply shortfall arising from multiple retirement requests within a short timeframe, EMA will make changes to the Centralised Process. Please refer to the Final Determination paper for the summary of feedback received and EMA's determination for the Replanting Framework.
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Consultation
As part of capacity planning, EMA identified that a significant number of combined cycle gas turbine generating units may be reaching end of life within the next five to ten years. By 2032, approximately 3.3GW of generation capacity will exceed 30 years of age, and Generation Companies may seek to retire these units. EMA will need to coordinate these retirements to ensure adequate generation capacity to meet system needs.
A maximum of two new generation plantings is allowed in a single year to manage the complexities of coordinating the commissioning and testing schedules for these new generation plantings. If multiple generating units are to retire in a particular year such that more than two new generation plantings are needed to meet the Required Reserve Margin of 27%, we would face a situation of generation capacity shortfall.
To mitigate this potential shortfall, EMA proposed a Replanting Framework, which complements the Centralised Process to facilitate the orderly retirement of ageing assets and the associated timely entry of new generation capacity.
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