The HETS Operator shall keep a Dispatchable RES Units Portfolio Registry for the registration of the Dispatchable RES Units Portfolios that have successfully completed the relevant pre-qualification tests described in the Technical Decision “Process and Prequalification Tests for BSPs”.

The information included in the Dispatchable RES Units Portfolios Registry and any supporting documents required for registration therewith are described in detail in the Technical Decision “Procedures for Registration with the HETS Operator Registry”.

Each RES Producer/RES Aggregator is obliged to immediately notify the System Operator of any changes in the data held in the Dispatchable RES Units Portfolios Registry. The HETS Operator determines whether any upcoming change in the technical characteristics of the Portfolio requires the re-performance of prequalification tests for the Portfolio, either in whole or in part, as defined in the Technical Decision “Process and Prequalification Tests for BSPs”. To conduct the new prequalification tests, the Aggregator or the RES Producer pays again 50 % of the registration fee as applicable for Balancing Service Entities.

For a Dispatchable RES Units Portfolio to be put in Commissioning operation or to undergo pre-qualification tests, the Portfolio must have been pre-registered with the Dispatchable RES Units Portfolio Registry. During the pre-registration, DAPEEP enters the under testing portfolios in the Table of RES and CHP Units, which it maintains and notifies to the HETS Operator in accordance with the provisions of the RES & Guarantees of Origin Operator Code.

Each Dispatchable RES Units Portfolio is required to participate separately in the Day-Ahead Market and the Intra-Day Market.