Bulgaria's producer prices dropped by 4.2% on a monthly basis in January, mainly due to a decrease in the production of electricity and heating, the statistics office data showed on Tuesday.

Producer prices rose by 19.1% on an annual basis in January, driven by energy prices which have jumped across the European Union since Russia invasion of Ukraine, data showed.

Prices of gas, electricity and heating fell by 9.7% on the month in January, while mining industry prices increased by 3.6%. The processing industry prices increased by 1.2% month-on-month in January.

The broader index of producer prices, including prices on the local market and for Bulgarian products sold internationally fell by 2.2% in January from the previous month and registered 16.8% increase year-on-year. (Reporting by Tsvetelia Tsolova)