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Old 06-03-2018, 08:49 PM   #1961 (permalink)
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Solutions are obtained by prioritizing storage for heat (in soil and water); cold (in ice and water); and electricity (in phase-change materials, pumped hydro, hydropower, and hydrogen), and using demand response. No natural gas, biofuels, nuclear power, or stationary batteries are needed.
Their missing the best opportunity, gravity. It's everywhere and it's cheap.

https://duckduckgo.com/?q=energy+storage+with+gravity

Quote:
Gravitational potential energy storage with solid masses
Changing the altitude of solid masses can store or release energy via an elevating system driven by an electric motor/generator.

Companies such as Energy Cache and Advanced Rail Energy Storage (ARES) are working on this.[15][16] ARES uses rails to move concrete weights up and down.[17] Stratosolar proposes to use winches supported by buoyant platforms at an altitude of 20 kilometers, to raise and lower solid masses.[18] Sink Float Solutions proposes to use winches supported by an ocean barge for taking advantage of a 4 km (13,000 ft) elevation difference between the surface and the seabed.[19] ARES estimated a capital cost for the storage capacity of around 60% of pump storage hydroelectricity,[20] Stratosolar $100/kWh[21] and Sink Float Solutions $25/kWh (4000 m depth) and $50/kWh (with 2000 m depth).[19]

Potential energy storage or gravity energy storage was under active development in 2013 in association with the California Independent System Operator.[22][23][24] It examined the movement of earth-filled hopper rail cars driven by electric locomotives) from lower to higher elevations.[16]

ARES claimed advantages including indefinite storage with no energy losses, low costs when earth/rocks are used and conservation of water resources.[16][25]

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Old 06-03-2018, 09:37 PM   #1962 (permalink)
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I like the ARES gravity rail electric storage solution. Diesel electric trains are well known for decades. The only difference is discarding the engine and electrifying the rails. Which we need to do anyway for transportation. Adoption and build out (rebuild of what we already had and got rid of when diesel trucks came along) of a complete electric rail system should be very high on the list.
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The transport trains could actually follow the loads and just park for the troughs.
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Along with build out of a smart grid with HVDC interconnects everywhere and hundreds of million V2G electric vehicle charge stations in every parking lot. And real time price metering so that every giant battery in an EV can most often be used for grid storage when not on a trip.
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Old 06-03-2018, 09:44 PM   #1963 (permalink)
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"Jacobsonís paper has become the bible of alternative energy and is the most referenced paper on the subject used by policymakers and activist groups. And that is scary. Another ideology masquerading as science."
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https://www.forbes.com/sites/jamesco.../#5b2b955529f9
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Old 06-03-2018, 10:56 PM   #1964 (permalink)
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Germany has apparently blocked it's data from electricitymap again.
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https://www.electricitymap.org/?page...tryCode=US-IPC
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Washington State and Idaho have been added and are showing off their endowment of hydro. 16GW. Public opinion must be swayed back positive for hydro and ALL 300MW capable and above sites must be developed worldwide regardless of any other considerations. While we still have the affordable liquid fuel and concrete to do it. Streamline eminent domain studies. Hydro is the no brainer of all no brainers for electricity.
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Old 06-04-2018, 12:12 AM   #1965 (permalink)
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I like the ARES gravity rail electric storage solution. Diesel electric trains are well known for decades... Adoption and build out ... of a complete electric rail system should be very high on the list.
https://en.wikipedia.org/wiki/Rack_railway

For household use, maybe a rack of weight-lifters weights on a flagpole, with pulleys.

Hydro = Salmon cannon
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Old 06-04-2018, 03:25 AM   #1966 (permalink)
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Originally Posted by sendler View Post
"Jacobson’s paper has become the bible of alternative energy and is the most referenced paper on the subject used by policymakers and activist groups. And that is scary. Another ideology masquerading as science."
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https://www.forbes.com/sites/jamesco.../#5b2b955529f9
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Not sure who Jacobson is, or the validity of his critics, but there are certainly those who regard topics like renewable energy or environmentalism more like a religion and less like a science.

If he does claim we can significantly boost hydro power by merely installing more turbines in existing dams, it seems he isn't up on physics.

Also, anyone claiming 100% of anything is usually wrong. We're not even 100% horse-free for commuting yet. Claiming 100% renewables is almost absurd on the face of it.

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Germany has apparently blocked it's data from electricitymap again.
What has been typical of Germany? They are often touted as among the greenest. I'm at 29g of CO2 per kWh at the moment. 24 is the lowest I see.
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Old 06-04-2018, 09:26 AM   #1967 (permalink)
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Germany has been running above 400gm/kWh all winter. Occasionally bumping 500gm. which would have been last night except it was Sunday. The data is back up now. Their 45 GW of installed wind capacity has been running at 5 GW all day. It is sunny today though.
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https://www.electricitymap.org/?page...countryCode=DE
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Jacobson is the founder of SolutionProject.org that green advocates cite to show how easy it is to replace fossil fuels for all energy. He computes efficiency gains from electric conversion of ICE, underground thermal storage, ect, and posts total generation requirements from each source of wind, water, and solar, without addressing the actual quantity of materials and hardware that would be required. He also relies on very little storage because "It is always windy or sunny somewhere". And proposes transforming all heavy trucking to electrolytic Hydrogen.
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The Roadmaptonowhere, among many others, show the quantity of hardware and the land use that would be required is prohibitive (Even if it is written in an unprofessional style and promotes yet to be built GenIV nuclear as a much more feasible approach to replacing fossil fuel).
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Jacobson published his original paper in a scientific journal and now has rich Hollywood stars supporting him with no peer review and now that Clack and 20 others have publicly challenged him on many points, he is suing them.
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Old 06-04-2018, 09:33 AM   #1968 (permalink)
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Salmon, humans, and all other living species must unfortunately bow to whatever inundation is required to squeeze out every last drop of practical hydropower. The impacts will be mitigated as best as possible with our high tech solutions.
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Old 06-04-2018, 12:46 PM   #1969 (permalink)
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Germany has been running above 400gm/kWh all winter. Occasionally bumping 500gm. which would have been last night except it was Sunday. The data is back up now. Their 45 GW of installed wind capacity has been running at 5 GW all day. It is sunny today though.
So despite their claims of green energy and relatively high cost per kWh, they are still a little more polluting than average.

I remember a thread where they were producing more renewable energy than they could handle for a brief period of time.

Doesn't matter if the other 99% of the time you're feverishly burning fossil fuels.
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Old 06-04-2018, 01:24 PM   #1970 (permalink)
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How Understanding What Killed The Dinosaurs Can Help Us Prepare For Climate Change | Here & Now

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