...hydrogen since the 1930's. It's why they held the world supply of heavy water in the late 1930's and 1940's, and why Norwegian commando's sank a ferry carrying it for shipment to Germany.
But this is 2022. The world's rivers are collapsing, famines are becoming more likely and people are dying in the streets from extreme heat.
Like the rest of Europe, Norway is restricting electricity exports, because even though it is one of the world's oldest "renewable energy" successes, because it trashed its rivers, even its rivers are relatively dry.
Norway Moves to Limit Power Exports in Blow to Europe
Nordic nation suffers from low hydro reserves after dry spring
Energy minister met with parliamentary leaders Monday
Because all of the reactionary "renewable energy" fantasies failed to address climate change, and left the climate collapsing, Norway's rivers are flowing at a low rate.
Maybe they'll install solar cells to run for the two hours the sun is up in Oslo at the Winter Solstice. If they do, oblivious people will continue to cheer, jump up and down in paroxysms of sybaritic yuppie ignorance, and even celebrate wasting energy to make hydrogen because they're incapable of understanding even the simplest statements of the 2nd law of thermodynamics which is that "converting energy from one form to the other, loses energy."
The world is now consuming about 600 Exajoules of energy per year. After half a century of cheering for hydrogen energy, about 1% to 3% of the world's energy is consumed to make hydrogen, almost all of which goes to make ammonia and methanol, industrial products that have nothing to do with hydrogen car fantasies.
I note that even NASA, with all of its technology, all of the money invested, can't control hydrogen leaks. We don't need a Challenger disaster per day on freeways. As a "fuel" it's even worse than dangerous natural gas, from which hydrogen is almost exclusive made at an energy loss. Trivial electrolyzers in Norway won't make any difference any more than running them the last 80 years in that country did.