Determination of start-up and shut-down periods for heat generating combustion plants using load thresholds
Article 7
1. For heat-generating combustion plants, the start-up period shall be considered to end when the plant reaches the minimum start-up load for stable generation and heat can be safely and reliably delivered to a distributing network, to a heat accumulator or used directly on a local industrial site. 2. The shut-down period shall be considered to begin after reaching the minimum shut-down load for stable generation when heat can no longer be safely and reliably delivered to a network or used directly on a local industrial site. 3. The load thresholds to be used for determining the end of the start-up period and the beginning of the shut-down period for heat generating combustion plants and to be included in the plant’s permit shall be a fixed percentage of the rated thermal output of the combustion plant. 4. Periods in which heat-generating plants are heating up an accumulator or reservoir without exporting heat shall be considered as operating hours and not as start-up or shut-down periods.