Today, the 21st of April 2026, the CRU has published the consultation paper 'Unrealised Available Energy Compensation in RESS 3, RESS 4 and RESS 5'. Unrealised Available Energy Compensation (UAEC) is a new provision developed by DCEE in the Terms and Conditions for RESS 3, RESS 4 and RESS 5. The aim of UAEC is to compensate generators which have physical availability that cannot be supplied. This consultation paper was developed by the CRU in association with EirGrid and DCEE, and sets out the proposal for how this provision will be implemented. The CRU requests stakeholders views on a number of questions on the proposed UAEC methodology and its implementation.
Q1. Do you support the proposal for using the current AAP Standard to measure UAEC for RESS 3 - 5 projects?
Q2. Do you foresee any difficulty with using the current AAP Standard to measure UAEC for RESS 3 - 5 projects?
Q3. Do you support the proposed methodology to measure calculate UAEC for RESS 3 - 5 projects?
Q4. Are there any drawbacks associated with the proposed methodology? Please elaborate on any potential risks.
Q5. Do you agree with setting the proposed threshold at 1% of capacity? Please set out your reasoning.
Q6. Do you agree with using SEMOpx’s ‘ETS bid file: de-anonymised Orders submitted (and executed) in the Auction
by Unit’ dataset as a means of establishing participation in the Day Ahead and Intra-Day markets? Please set out your reasoning.
Q7. Do you agree with using SEMO’s ‘Commercial Offer Data Accepted’ dataset as a means of establishing participation in the Balancing Market? Please set out your reasoning.
Unrealised Available Energy Compensation in RESS 3, RESS 4 and RESS 5
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Today, the 21st of April 2026, the CRU has published the consultation paper 'Unrealised Available Energy Compensation in RESS 3, RESS 4 and RESS 5'. Unrealised Available Energy Compensation (UAEC) is a new provision developed by DCEE in the Terms and Conditions for RESS 3, RESS 4 and RESS 5. The aim of UAEC is to compensate generators which have physical availability that cannot be supplied. This consultation paper was developed by the CRU in association with EirGrid and DCEE, and sets out the proposal for how this provision will be implemented. The CRU requests stakeholders views on a number of questions on the proposed UAEC methodology and its implementation.
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