You should know wind energy surplus has costs as it overloads the electricity grid, you don't simply "live with the excess" or "throw it away" as you imply. This is why power to gas is so appealing, son.
You may want to check "Wind energy surplus threatens eastern German power grid" to get a brief glimpse of this simple fact you seem to ignore. It's on "eurodialogue". Good luck.
Yahoo News: Hydrogen phone chargers to keep Africans connected when power runs short
By Wendell Roelf
CAPE TOWN (Reuters) - African smartphone users will soon have an alternative means to get round the power shortages afflicting much of the world's poorest continent - a portable charger that relies on hydrogen fuel cells.
British company Intelligent Energy plans to roll out 1 million of the new chargers in mid-December, mainly in Nigeria and South Africa, after successfully testing them in Nigeria over the last five months, its consumer electronics managing director, Amar Samra, said.
"In emerging markets where the grids are not reliable and people are using (mobile phones) as a primary device, it is mission critical; if you're out, you're out," Samra said on the sidelines of a telecoms conference in Cape Town.
The chargers are designed to back up the spread of smartphones and tablets across countries where cellphones have already helped to transform lives and businesses.(...)