Slovak Prime Minister Robert Fico will discuss the end of Russian gas transit through Ukraine with representatives of the European Commission on Jan. 9 in Brussels, Slovakia's government office said on Tuesday.

Despite EU efforts to reduce dependence on Russian fossil fuels, Slovakia remains reliant on Russian gas under a long-term contract with Russia's state-owned energy giant Gazprom. Switching to alternative supply routes could cost Slovakia an additional €220 million ($229 million) in transit fees.

Gas exports via pipelines running through Ukraine ended on New Year's Day as Ukraine refused to renew transit agreement - Anadolu Ajansı

Slovakia will consider reciprocal measures against Ukraine such as halting back-up electricity supplies after Jan. 1 if Kyiv, as expected, stops the transit of Russian gas to Slovakia, Prime Minister Robert Fico said on Friday.

Slovakia has arranged alternative gas sources and routes, but Fico has argued that the end of Ukraine's transit of Russian gas meant that Slovakia lost its own transit revenue and