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There was this Swedish train transporting minerals from a mine up in the mountains down to the sea harbor, it was going downhill with a load and uphill empty, a
by nraynaud 11y ago
There was this Swedish train transporting minerals from a mine up in the mountains down to the sea harbor, it was going downhill with a load and uphill empty, and producing some energy for the neighboring town.
- Hondor 11y agoThat suggests a whole new type of power generation - moving rocks from mountains down to sea level. It would also have the advantage of creating more level land that could be more suitable for farming and construction. Not sustainable at all though so don't tell environmentalists :P
- labster 11y agoYou just need to hide it behind buzzwords. "Gravilithic energy is a carbon-neutral alternative to chemical weathering."
- zubiaur 11y agoThere is a mine in chile that does something similar with conveyor belts. The mine is in the Andes mountains, 3200 meters above sea level; the belts go downhill for 10kms to 1800 masl. They have most of their VFDs in regenerative mode, ultimately generating 25mw wich they end up selling to the interconnected grid.