Main and main. ONLY PART OF European countries really depend on Russian gas. This is very easy to check. I must say right away - in the circle of those "sitten on the Kremlin's gas needle" - Germany, France, Italy, Hungary. In other countries, there is no noticeable dependence, and Russian gas, in the total volume of purchased or consumed gas, is no more than 15%, which is easily leveled by LNG supplies from the United States, or by gas purchases, for example, from Norway, which now already sells more gas to the EU than the international country terrorist, russia. The largest part of Russian gas, and the gas that goes to industry, is Germany. There, part of the Russian gas from the total volume of consumption is about ... 40%. No 75% or 90% to make it really an unsolvable problem. 40%, and the rest have less! You can easily find all this data in open official sources! And do not listen to those propaganda from the terrorist country!

Only a part of the EU countries is significantly dependent on energy supplies from Russia, you are right. And this is the part of the European Union with a developed industry that feeds other freeloaders like the Baltics, Greece and Poland.