The Age of BudLightenment - List of Tyson Foods' brands

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Comment by Willem Post on March 26, 2024 at 9:29pm

On snowy days, despite their huge installed capacity, MW, their generation, MWh, is way short of their “wished for” generation, due to “weather dependence”

That solar generation would normally have a big bulge at noon-time, which far exceeds demand.

Storing it in batteries and discharging 80% of it during the peak hours of late afternoon/early evening, is out of the question, as that would add at least
30 c/kWh, to the price of the solar electricity fed to the battery.

Go woke, go big-time broke.

Now you know why the electricity rates in California are skyrocketing.
A bunch of climate screwballs are in charge, stealing from your pocket
They make the rules that enable their stealing.

The only solution is to elect Trump by a landslide to far more than overcome any fraud, so he can undo all that dysfunctional wind/solar/battery BS

BATTERY SYSTEM CAPITAL COSTS, OPERATING COSTS, ENERGY LOSSES, AND AGING
https://www.windtaskforce.org/profiles/blogs/battery-system-capital...
 
EXCERPT:
Annual Cost of Megapack Battery Systems; 2023 pricing
Assume a system rated 45.3 MW/181.9 MWh, and an all-in turnkey cost of $104.5 million, per Example 2
Amortize bank loan for 50% of $104.5 million at 6.5%/y for 15 years, $5.484 million/y
Pay Owner return of 50% of $104.5 million at 10%/y for 15 years, $6.765 million/y (10% due to high inflation)
Lifetime (Bank + Owner) payments 15 x (5.484 + 6.765) = $183.7 million
Assume battery daily usage for 15 years at 10%, and loss factor = 1/(0.9 *0.9)
Battery lifetime output = 15 y x 365 d/y x 181.9 MWh x 0.1, usage x 1000 kWh/MWh = 99,590,250 kWh to HV grid; 122,950,926 kWh from HV grid; 233,606,676 kWh loss
(Bank + Owner) payments, $183.7 million / 99,590,250 kWh = 184.5 c/kWh
Less 50% subsidies (ITC, depreciation in 5 years, deduction of interest on borrowed funds) is 92.3c/kWh
At 10% throughput, (Bank + Owner) cost, 92.3 c/kWh
At 40% throughput, (Bank + Owner) cost, 23.1 c/kWh
 
Excluded costs/kWh: 1) O&M; 2) system aging, 1.5%/y, 3) 20% HV grid-to-HV grid loss, 4) grid extension/reinforcement to connect battery systems, 5) downtime of parts of the system, 6) decommissioning in year 15, i.e., disassembly, reprocessing and storing at hazardous waste sites. Excluded costs would add at least 10 – 15 c/kWh
 
NOTE: The 40% throughput is close to Tesla’s recommendation of 60% maximum throughput, i.e., not charging above 80% full and not discharging below 20% full, to achieve a 15-y life, with normal aging
Tesla’s recommendation was not heeded by the Owners of the Hornsdale Power Reserve in Australia. They excessively charged/discharged the system. After a few years, they added Megapacks to offset rapid aging of the original system, and added more Megapacks to increase the rating of the expanded system.
http://www.windtaskforce.org/profiles/blogs/the-hornsdale-power-res...
 
COMMENTS ON CALCULATION: 
Regarding any project, the bank and the owner have to be paid.
Therefore, I amortized the bank loan and the owner’s investment
If you divide the total of the payments over 15 years by the throughput during 15 years, you get the cost per kWh, as shown.
According to EIA annual reports, almost all battery systems have throughputs less than 10%. I chose 10% for calculations.
A few battery systems have higher throughputs, if they are used to absorb midday solar and discharge it the during peak hour periods of late-afternoon/early-evening. They may reach up to 40% throughput. I chose 40% for calculations.
Remember, you have to draw about 50 MWh from the HV grid to deliver about 40 MWh to the HV grid, because of A-to-Z system losses. That gets worse with aging.
A lot of people do not like these c/kWh numbers, because they have been repeatedly told by self-serving folks, low-cost battery Nirvana is just around the corner, which is a load of crap.