Kielce

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Los Heroes, residential district inside city of Ixtapaluca

Are fossil fuels going to be prohibitively expensive?

This isn't true at all. Remember commodities boom in the "70s. It was similar like today. Since then usage of oil increased 50%, usage of coal doubled and usage of natural gas quadrupled.

Rate of oil extraction is going probably to drop, but there are lot of new sources of natural gas and it is going to be cheaper. Nuclear energy should also be cheaper than it is.

Finally there is coal. Have you heard about low income countries? You know what they want? Construction sector! They want houses made from bricks, with glass in the windows and running water in the bathroom. You need large quantities of energy to produce that fast (look at China). And they want this energy using cheapest method possible. If this method would use local resources of coal, it can be coal burning.

I haven't got slightest idea how much coal deposits are in Democratic Republic of Congo, but we will probably know, when they burn it all.

BTW, You want decrease world's CO2 emissions? Build Grand Inga Dam. This will produce same amount of electricity as 50 000 000 rooftop solar panels. Build there aluminium smelters, steel mills, rotary kilns. Show them 38 MW electric arc furnace. I bet they will be pleased.

Otherwise expect Congolian forests burned to the ashes.Current rate of deforestation in Congo basin isn't very fast, but with population growth can accelerate. Dominican Republic have forests, Haiti don't. Haiti also doesn't have power

Norway-Netherlands cable

Not only Norway-Netherlands electricity connection is longest power bridge of this kind in the world, but wasn't working for three months last year. Considering maintenance costs and technical difficulties, it possible that both Norway and Denmark would be better off with two power plant on their respectable shores.

2 billion Euro for electricity cable , 1400 MW...

This doesn't make any sense. Karsto power plant costed 300 million Euro and is producing 420 MW of electricity.

You would be much better with 3 more natural gas power plants in Scotland and 1 cool billion Euro in your pocket.

If you build more natural gas plants you can build even more windmills and still have some of these 2 billion left. How good is that?

Germany Builds First Hydrogen Power Plant

2 x 2MW wind turbines

Electrolyser

Compressor

Storage for 1.350 kg of hydrogen

When you are thinking, this can't possibly work, there are two two 340 kW combined heat and power units running on wood from neighboring sawmill.

This is similar power plant running in Dortmund (sans windmills and hydrogen).

This is fine at all, but when we propose 1 GW of electricity dispersed at 1400 power plants, costing 30 billion Euro in China we will get laugh at. In Tanzania (where whole country's budget is less than 3 billion Euro) they will die from laughter.

BTW, electrolyser produces equivalent of 20, maybe 30 kg of oil running at maximal power.

AFAIK, in Germany fuel cell capable of storing so much hydrogen and compressor for it costs about 1 million dollar (600 000 Euro). So don't dream about hydrogen powered cars.