121–130 of 394 posts
What’s the alternative? Not like you can charge your EV at home when you’re working when…you’re at work
Charge at work.
What? Peak electrical consumption is during the day. The big challenge for electric companies is the swing between the night trough in demand and the day peak. Night charging is excellent because it flattens that curve. Bringing demand into a straighter line and allowing electric companies to generate at a steady rate without having to cycle production up and down. I glanced though the article and found no mention of…
> We study charging control and infrastructure build-out as critical factors shaping charging load and evaluate grid impact under rapid electric vehicle adoption with a detailed economic dispatch model of 2035 generation. We find that peak net electricity demand increases by up to 25% with forecast adoption and by 50% in a stress test with full electrification.
The paper is at https://www.nature.com/articles/s41560-022-01105-7, I only briefly skimmed through it but it seems plausible.
The assumption that a flat electrical load is desirable is less and less true as renewables go on the grid; of course, if we just took the (imo sensible) step to go all-nuclear, hydro, and geothermal for baseline load, then diurnal electrical consumption would not be desirable, but with the solar that might not be the case.
Earlier quoted context omitted.
For the small amount I consume, tiny potential savings are not worth the mental hassles. I switched a residence to flat rate to avoid these mental games.
My house uses around 3-4MW/mo. I hyper optimized when I had true spot pricing before Griddy energy was disbanded by the state. My bill was extremely low compared to what I pay now.
Crazy concept: instead of banning cars, forcing electric cars, mandating specific efficiency, etc... we _could_ work towards a world less dependent on personally owned vehicles. And yet, huge companies will continue to just get a pass for forcing people to commute to jobs to sit on a computer all day.
In Norway we pay what the market determines is the current price. Most people don't have flat rate charges. I can see the spot price in real time in an app.
Why isn't that good enough?
Earlier quoted context omitted.
For the small amount I consume, tiny potential savings are not worth the mental hassles. I switched a residence to flat rate to avoid these mental games.
My house uses around 3-4MW/mo. I hyper optimized when I had true spot pricing before Griddy energy was disbanded by the state. My bill was extremely low compared to what I pay now.
Earlier quoted context omitted.
My house uses around 3-4MW/mo. I hyper optimized when I had true spot pricing before Griddy energy was disbanded by the state. My bill was extremely low compared to what I pay now.
What are are you using that much power for? I can’t think of much that uses that much per that you can shift to time of day pricing, perhaps pottery kilns? Even 2MWh per month is enough to drive 2 EV’s around 50,000 miles per year each. If you’re very flexible with time of day rooftop solar could probably save you quite a bit.
EV’s are only a solution as far as renewable energy can keep up with electricity demands. And that doesn’t appear to be the case right now. Coupled with the mining of minerals, violent venting of batteries, and non-recyclable/non disposable nature of the batteries it’s not obvious that EV’s are more environmentally friendly.
This article does a poor job of explaining why there is going to be a problem and relaying the point of the study. To model the grid and power infrastructure into the future, assumptions must be made about where the power is derived. The article fails to provide the basic factors contributing to the problem, even though the study itself does a fine job. So California wants to legislate electric cars. That means highe…
EVs can potentially strengthen the grid: if they are charged smartly, to balance demand.
We need manufacturers, regulators, grid operators to align on how to figure this out.
At the least, grid conditions/pricing should be sent to the car for smart charging.
Mandating 240volt connections in all garages and a large portion of apartment parking lots would also enable the solar excesses of the day to be quickly utilized.
This is very interesting and perfectly logical. I wrote a fairly recent report looking at a very similar question, and reached the opposite conclusion: night time charging is far better for the grid. That study however focuses on Sweden, where solar power only marginally impacts day-time supply. Link to the study: http://urn.kb.se/resolve?urn=urn%3Anbn%3Ase%3Ari%3Adiva-5752... If the western US has a surplus in morni…
The state of our roads is already atrocious. Electrifying them would make them worse (installing any significant amount of road would take away from repairing the existing issues), and also dangerous.