This interest rate is also called the sight deposit rate. Changes in Norges Bank's key policy rate will normally have a strong impact on short-term money market rates and on banks' deposit and lending rates.
More about Norges Bank's key policy rate
The chart below shows projections for the key policy rate in the latest Monetary Policy Report with financial stability assessment.

Changes in the key policy rate take effect from the day after the interest rate decision is announced.
Data on the key policy rate in Excel- or CSV-format can be downloaded. The files also present data on other Norwegian interest rates.