Norway reservoir levels now: 69.3 % full (week 42 2026)
In week 42 2026 (measured 18 October 2026) Norway's hydropower reservoirs were 69.3 % full – 60.6 of 87.4 TWh. That is 12.4 percentage points below the 20-year median (81.7 %) and 11.5 points lower than the same week last year (80.8 %). In NO1 and NO2 filling is below the lowest level recorded for this week in the 20-year period.
Filling through the year
Price areas in week 42
| Area | Filling | Change | Last year | Min | Median | Max |
|---|---|---|---|---|---|---|
| Norway | 69.3 % | +0.3 | 80.8 % | 64.2 % | 81.7 % | 93.4 % |
| NO1 | 74.7 % | −0.1 | 84 % | 80 % | 88 % | 97 % |
| NO2 | 52.9 % | +0.8 | 67.2 % | 53 % | 83.3 % | 94.3 % |
| NO3 | 72.5 % | ±0 | 93.7 % | 67.1 % | 83.3 % | 95.4 % |
| NO4 | 90.3 % | −0.6 | 95.5 % | 67 % | 81.5 % | 95.5 % |
| NO5 | 73.2 % | +0.7 | 83.1 % | 64.4 % | 86.3 % | 92.9 % |
South-west Norway (NO2) has the largest storage capacity (34 TWh) and is 52.9 % (median 83.3 %) full. Furthest below the median: South-west Norway (NO2) at 52.9 % (median 83.3 %); highest relative to the median: Northern Norway (NO4) at 90.3 % (median 81.5 %).
Next update
This page updates automatically when NVE publishes new figures (next: 28 October 2026 at 13:00 (Norwegian time)). River flows are on our Norway page.
FAQ
How full are Norway’s reservoirs?
69.3 % in week 42 2026 (NVE).
Is filling low in southern Norway?
NO2 52.9 % and NO1 74.7 %; below the 20-year minimum for the week: NO1, NO2.