That means state support or government assistence. And that means, of course, taxpayer money.

And this is ususally needed, as in this case, after the state and/or government burning the taxpayer money got the company that needs it into this situation in the first place (see “renewable energy”).
Germany in bailout talks with Uniper amid gas crisis – Germany’s Uniper (UN01.DE) is in talks about a possible government bailout as the financial fallout from dwindling supplies of Russian gas reverberates across Europe, sending shares in the energy company sliding.