The biggest winner among Germany's 30 largest listed companies was technology giant Siemens, increasing by 2.75 percent, followed by automotive supplier Continental with 2.36 percent and carmaker Daimler with 2.29 percent.
Shares of Fresenius Medical Care fell by 3.82 percent. The German dialysis specialist was the biggest loser at the start of trading on Monday.
German wholesale prices in August grew by 0.5 percent over the previous month and were even up 12.3 percent year-on-year, the highest monthly annual rate of change since October 1974 after the first oil crisis, the country's Federal Statistical Office (Destatis) announced on Monday.
Conventional energy sources provided the biggest part of total electricity produced and fed into the grid in Germany in the first half of 2021, growing by 20.9 percent over the first half of 2020 to a share of 56 percent, Destatis announced on Monday.
The yield on German 10-year bonds declined 0.0015 percentage points to minus 0.3345 percent and the euro was trading almost unchanged at 1.1811 U.S. dollars, decreasing by 0.03 percent on Monday morning.