All of that requires control behind the meter. As a residential producer, I do not want the "power company" under the current monetized environment, to be able to decide when I can take and give power. My batteries are for standby only, so in my case my batteries would be unaffected. But, the entire power paradigm would have to change SIGNIFIGENTLY before I would consider that, and maybe not even then. When their current attitude is about putting special tariffs against distributed solar producers, etc.. altering rate costs to negativity benefit solar producers and a multitude of other highly questionable "RULES".., I don't think in the near future I will be trusting them to control my inverter or anything else. Their problem is demand destruction, which is totally bonafide under a profit model. If you get enough RE on line, their cash flow for "sold" electrons goes down the toilet. The bottom line, to have a grid that is a majority of distributed RE with no RE limits on production, a Capitalistic model will not work. The structure must be Socialistic.
FYI: Here is a cheat sheet link for FERC 2222 relating to Wholesale markets....
https://www.ferc.gov/media/ferc-order-no-2222-fact-sheet------------------------------
william fitch
Owner
www.WeAreSolar.comfcfcfc@ptd.net------------------------------
Original Message:
Sent: Apr 26, 2021 11:35 AM
From: Andrew Stone
Subject: Battery Storage System
Thomas has excellent points on the WHY of battery systems.
Newer Wood-Mackenzie data than the 2018 Lazard shows exponential growth in batteries at the rooftop and utility scale. FERC order 2222 is unlocking the potential for virtual power plants - the aggregation of many residential batteries to provide monetizable grid services like frequency regulation, load balancing, and energy arbitrage.
Andrew Stone
Commercial Solar Lending
Renewable Energy Industry Association board member
NM Solar Energy Association board member
National Community Solar Partnership member
Original Message:
Sent: 4/24/2021 3:41:00 PM
From: Thomas Grant
Subject: RE: Battery Storage System
There are many analyses published about battery storage for residential PV systems. The overwhelming consensus is that if you are doing it for backup when the grid goes down - OK. If you are doing it to maximize your system's impact on the environment - OK. If you are doing it as a financial investment then it is a poor choice. Lazards did a good study in 2018 on batteries for residential solar including both lead acid and lithium ion (https://www.lazard.com/media/450774/lazards-levelized-cost-of-storage-version-40-vfinal.pdf) and found that the unsubsidized cost of the battery storage averaged about $0.60 a KWhr. Battery storage is coming down in price but it has a long way to go. Many other publications conclude the same.
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Thomas Grant
Director
XanaduEnergy
Fairway KS
tjg4@aol.com
Original Message:
Sent: Apr 22, 2021 12:04 AM
From: Felix Okene
Subject: Battery Storage System
Everyone wants to know about battery storage, it's the hot topic on the lips of everyone with even a passing interest in renewable energy. There's no doubt that battery technology is the way of the future and the next major step towards home energy independence from the grid.
Solar Battery Systems work by storing excess solar power produced during the day for later use in the evening. More cost-effective than selling it back to your retailer during the day at a cheaper rate, this allows you to use more of your system's production and further reduce your reliance on the grid, saving you more than you would otherwise.
With battery storage, you're able to:
- Store excess solar production during the day for use at night
- Manipulate time-of-use tariffs (TOU) to buy power at off-peak rates when it's cheaper, and store it for peak hours
- Provide backup power to your home
- Sell energy back to the grid at peak times for a premium rate
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Felix Okene
QA/QC Engineer
najiteokene@gmail.com
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