Archive for the ‘hydroelectricity’ Category:

2024-05-29 Renewables Provided Almost 30% of US Electrical Generation In March

That’s great to see!  There needs to be more BESS – battery energy storage systems – on the grid to replace all the gas turbine peaker plants that have to supply the grid when the sun sets.  Once the grid gets 3 or more times the amount of renewables onto the grid and a lot

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2024-04-16 California 100% Renewables for 30 Days!

That’s great news! One thing I just remembered is that the nuclear power plants (Diablo Canyon, Palo Verde) usually shut down for maintenance in the spring when demand is lowest.  Otherwise they normally run 24/7 and there wouldn’t be any time during the day when it would be 100% renewables. California exceeds 100% of energy

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2024-03-22 Ocean Kite Generates Electric Power

The ocean kite travels in a figure 8 and its turbine and generator send power to shore.  This YouTube short briefly shows its action. https://youtube.com/shorts/WKsiSGvDTiw?si=P7Ro-rjQTcE-QKdj

2023-12-25 Consumptive Water Use For US Power Production

This technical report from NREL dated 2003 discusses the water consumed by thermoelectric power plants. It’s a .PDF available online from the US government.

2023-12-06 Green Hydrogen TED Talk Molecular Love Story – Power The World

She talks about an e-methanol plant in N. Sweden. 12.5 min. video on Ted.com. “https://embed.ted.com/talks/lang/en/olivia_breese_the_molecular_love_story_that_could_help_power_the_world”

2023-10-10 US Peak Hourly Electricity Demand = 741,815 MWh

The EIA breaks this article into the 3 interconnections: Eastern, Western, and Texas. Quote: “”On July 27, 2023, peak hourly electricity demand in the continental United States reached 741,815 megawatt-hours (MWh). This peak was the second highest since we began collecting this data in 2016, just under the all-time high of 742,704 MWh recorded on

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2022-07-12 P.U.S.H – Converting Mines Into Hydro Powered Batteries

I believe this information is very important – it’s the key to the solution of the renewables intermittency issue. https://cleantechnica.com/2022/07/10/converting-mines-into-hydro-powered-batteries/ “”A PUSH facility can be developed using mature technological systems—materials and machinery—used by conventional PSH. In what they call a conservative estimate, researchers determined the US has capacity for between 137 and 285 gigawatts of

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2022-03-09 Electric Truck Hydropower

This is an interesting idea. It has some major problems. Something similar is already being used: trucks hauling ore mined at higher elevations use regenerative braking to charge their battery coming downhill, which is enough to propel the empty truck up the hill for another load, with no need to charge the truck. There are

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2022-02-23 Pumped Hydro Energy Storage

Articles pumped hydro energy storage https://www.freethink.com/technology/why-pumping-water-back-into-hydro-dams-beats-batteries-for-renewable-power?amp=1 Research paper? Downloadable https://iopscience.iop.org/article/10.1088/2516-1083/abeb5b

2022-02-19 Calif Utilities Must Procure 40+GW Clean Energy By 2032

California lowers electric sector GHG target, directs procurement of more than 40 GW of clean energy resources The chart with the yearly figures shows 40.55 GW total must be procured by 2032. The utilities must procure 25GW clean energy generation and 15GW storage, while meeting strict reliability standards. Some of this will be pumped hydro.

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