Context TenneT will contracts a part of the regulating reserves with producers, from which the producers will have the obligation to offer this minimum volume on the single buyer market. When The information will be published yearly after the contracting period. Unit The information is published in MW. Update No updates are published. Availability The information will be online available for 3 years. The information can be consulted by selecting a date via the pool down menu or by entering a date (mm-dd-yyyy). Historical data Data before 2011 is currently not available. Publication requirement TenneT is publishing this information in accordance with section 5.7 of Regulation (EC) 1228/2003 and in sections 4.4.1 of the ERGEG "Report on Transparency".