SageBrush wrote: ↑
Tue Mar 30, 2021 9:24 pm
The CA IOUs have a laundry list of changes they want up before the state PUC that will make you scream. One of the least obnoxious (on a scale of 91-100) is to modify net metering to monthly true-ups.
One way or another, the IOUs are going to devalue your home PV unless *they* want it. My advice is to give some thought how to maximize self consumption. In front of the meter grid storage does not change this conversation at all if the IOU can buy PV/Wind from a source cheaper than yours. And they can, unless under 2¢ a kWh sounds good to you.
I've seen at least part of that list. Question is open as to whether the PUC agrees with some or any of their list.
One thing, being that I did it myself and saved $$$, I installed far more than I currently use to be a bit future proof. I never expected to be a power producer and make money. SCE can keep my extra power, as long as they don't want to charge me any more fees -> they do that and I'll look for a way to go off grid.
Right now my heating is being done by an old NG furnace. It is going to need to be replaced soon, but I haven't quite made up my mind on whether I do a newer more efficient furnace or a go ahead and get a Heat pump. Right now all my AC is done by a evaporative cooler. My evap cooler has a low and high setting, and on high its pulls 1 HP plus a water pump, so ~ 750 watts plus the pump, lets say 50 watts. So 800 watts. From June through end of Aug that mostly runs on high non stop, so about 19.2 kWh per day. Obviously if I got a heat pump I could also run that as an AC, and my wife would love that, and turn off the swampy. I would need a 5 ton unit for Heat pump/AC. I tried to do some estimating before I put in my solar so that I could cover that if needed. I believe a 5 ton AC uses about 6 to 6.5 kW sustained, but obviously it wouldn't run the entire day like my swamp cooler. There are a few other issues to address as well, such as whether a heat pump would or would not need a emergency backup - a heat strip, which I would prefer to avoid, especially if I ever go off grid. Modern heat pumps go down well below 0f and I live in a dry heat and dry cold, and not really THAT cold. If I do a Heat pump system, I almost certainly will do it myself. Furnace is even easier, though I actually have seen some DIY AC systems now with pre-charged lines. No vacuuming or soldering required. I had a quote from a local company and they wanted 15k for a 17 SEER 5 ton system.
No. Online you can pick up 17 SEER Heat pump for ~ $3600. I'd go for higher than 17 SEER but that seems to be the max for DIY 5 ton. I'd just keep a swamp cooler but our water prices are set to triple over the next few years and my wife likes real AC. Decisions, Decisons....
Anyway, back on topic, with potential future systems and EVs (of course!) I added extra power, and I didn't really expect SCE to pay me for it. But if they do pay me even 2 cents, that's $20 to 30 back to me during spring summer and fall. That's fine too. And if I need to go off grid, adding more solar in the future is easy. Lots of roof space left.
I'm certainly open to advice and flexible. My wife is the stick in the mud.