From 21 March, hydro reservoir content and capacity in GWh for the Swedish bidding areas will be published on our web.
Hydro reservoir levels in percentage (%) will also be available under the link published on the Hydro reservoir page, where you will find the graphs as well.
Historical values will be published from week 1 2010.
The data can be found under Power system data and Hydro reservoir:
http://nordpoolspot.com/Market-data1/Power-system-data/Hydro-Reservoir/Hydro-Reservoir/ALL/Hourly/