Is the Wall Street Journal reputable enough for you?
Apology accepted. You could also use the google machine yourself though.
You may also wish to ask some others who have posted here to back up some of their outlandish claims. I have seen only opinions to date.
They’re quoting Reuters, with the disclaimer “according to”. And assuming that’s true, it’s for only a single day. It’s not going to replace coal, the new “green” fuel for Germany.