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Sceptics say EVs will overwhelm the grid. In fact, they could be part of the solution
(www.theguardian.com)
this post was submitted on 15 Jul 2024
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Electric Vehicles
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Are people really that dumb that they willingly pay peak pricing to charge their EV? Or are significant numbers of people in CA not on TOU rates? Everything I've seen suggest TOU rates are quite effective in getting users to shift certain loads (and EVs are easily shiftable).
People don’t like TOU metering because they’re afraid of getting price gouged. I was too, who can trust a corporation not to take advantage? But now with an EV, I have an obvious use case where it would give me huge benefit. I’m ready to switch over
I’ll have to replace my hvac in the next couple years and am mostly annoyed at the lack of storage heating for heat pumps. My parents had that for electric heating and it worked great. Instead of a baseboard strip, every room had something about the size of a standard radiator - it absorbed heat overnight when rates were low and you just controlled a fan to adjust heat throughout the day. Where are those for heat pump head units?
I wouldn't generalize that people "don't like TOU". People understand that energy costs more during peak periods and are generally receptive to these market forces. People are used to driving around to save $0.02/gallon on gas, they can run their dishwasher later in the evening and adjust their thermostat slightly to save money. Plus obviously off peak EV charging.
As to the heat pump situation, you're describing an air to water heat pump and a large buffer tank. You heat the tank off peak and it distributes the water throughout the day. You can then optimize to price, but the equation is complicated because the COP varies dramatically with outdoor temperature. These systems just aren't that common in the US though, where forced air or ductless heads are dominant, but people absolutely replace boilers with heat pump driven hot water systems. We should see more options (e.g. R290 monoblocs) in the US at some point, hopefully.
Found it, but not available where I am. Choices like these could really help