Archive for the ‘Electrical System’ Category:

2024-05-28 Many More EV Batteries – Solution To Grid Storage

Article about recycling EV batteries versus using EV batteries for stationary storage.  At this time, recycling is not very efficient. Quote: ““Today we are not very good at recovering metals, loosing almost all the lithium, silicon, phosphorus, aluminum, and graphite, while recovering only copper, cobalt, and nickel which are more expensive,” he says.”” This suggests

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2024-05-28 US Offshore Wind: Is It Dead In The Water?

The US has a huge amount of land with a very good supply of wind, and this has been developed with a large amount of WTs – wind turbines.  Iowa has a lot of WTs, but Texas is the WT leader by far, with over 30 Gigawatts of installed WTs.  Installing WTs is relatively easy

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2024-05-21 How Renewables Could Beat Natural Gas In US Generating Capacity Within 3 Years

Quote:  “”Renewables are nearly 30% of utility scale generating capacity.  The latest capacity additions have brought solar’s share of total available installed utility-scale (i.e., >1 MW) generating capacity up to 8.25%, surpassing that of hydropower (7.88%). Wind is currently at 11.77%. Solar and wind combined now account for more than a fifth (20.02%) of the US’s

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2024-05-15 Reconductoring Transmission Lines

Good article a few months old.  JHAT recently had this reconductoring topic.  This article also describes the Heimdall Ball temperature monitoring.  One thing that has not been talked about is the use of BESS – battery energy storage systems – to reduce the peak load on the transmission lines.  That’s what they did in Australia

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2024-05-12 Giant Batteries Are Transforming the Way the U.S. Uses Electricity

This link to the article is supposed to be free, and *not* behind a paywall.  This well-researched article is a good article, with some statements that are disputable.  One example is that they state that lithium batteries are flammable.  The LFP cells now used in battery storage systems are low to not flammable.  There are

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2024-05-07 Lithium-free Sodium Batteries Enter Production

Natron enters low volume production.  The article says 70 Wh/kg, less than half of lithium.  “”…advantages such as faster cycling, longer lifespan and safer, non-flammable end use have made sodium-ion an attractive alternative…””

2024-04-31  S. C.’s  V. C. Summer Nukegate Scandal

Cost overruns from $9 Billion to $25 Billion, most of which customers will have to pay with higher bills.  Construction delays of many years costing Billions of dollars.  Executives convicted and served terms in federal prison.  Incompetent nuclear engineering and Westinghouse bankruptcy.  And the whole project was abandoned.

2024-04-30 IEA “Batteries And Secure Energy Transitions” Report

Quote: “”The IEA’s “Batteries and Secure Energy Transitions” report finds that capital costs for battery storage systems are projected to fall by up to 40 percent by 2030. This significant cost reduction will make combining solar and wind with battery storage more affordable than building new coal or gas power plants in many parts of

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2024-04-28 US Plan To Upgrade 100k Miles Of Transmission Lines In 5 Years

Short article about deployment of enhancements such as high performance conductors.  Quote: “”…and up to $331 million from the Bipartisan Infrastructure Law for a new 285-mile transmission line that will carry more than 2 gigawatts (GW) of transmission capacity from Idaho to Nevada.”” The US just came up with a plan to upgrade 100k miles

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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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