Toilets can generate power
The HighDro Power harnesses the energy of wastewater as it falls through pipes, similar to the way a hydroelectric dam does.
If installed it's in a commercial building, the inventor estimates it could save $1,400 in electricity costs per year in a seven-story building. In a hotel, it might even let the owners sell electricity back to the grid.
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Warren Buffett’s Secret To Cheap Electricity: Wind
OMAHA NE - In his latest letter to Berkshire Hathaway shareholders, Warren Buffett used the 20th anniversary of Berkshire Hathaway Energy to tout its cheap electricity bills for customers.
When Berkshire purchased the majority share of BHE in 2000, the cost of electricity for its residential customers in Iowa was 8.8 cents per kilowatt-hour (kWh) on average. Since then, these electricity rates have risen at a paltry <1% per year, with a freeze on rate hikes through 2028. As anyone who pays an electricity bill knows, that is an incredible deal.
As Buffett himself notes with alacrity, “Last year, the rates…
