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submitted 1 year ago by L4s@lemmy.world to c/technology@lemmy.world

Solar power and storage prices have dropped almost 90%::undefined

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[-] tun@lemm.ee 54 points 1 year ago

85-87% reduced in last 10 years

[-] cyberpunk007@lemmy.world 38 points 1 year ago

I was still quoted 40K CAD. 20 year ROI. Not feasible for me.

[-] LordKitsuna@lemmy.world 10 points 1 year ago

If you are willing to DIY you can cut that number dramatically. Out of curiosity what was the size of the array in that quote and did it include battery storage if so how much chances are that you can cut it by anywhere from 50% to 75% if you're willing to Simply purchase directly and install yourself. The amount that installers charge is absolutely asinine usually 50% or more of that quote is just the installation which is in the same because it's not difficult at all. People like to act scared like oh that'll be difficult or hard or dangerous, it's extremely simple you're dealing with DC which is very straightforward everything is very clearly labeled on that equipment and it's quite simple to do yourself

[-] rustyricotta@lemmy.ml 7 points 1 year ago

Is there a go-to source for diy product and instructions? I'm interested in doing this in the near future.

[-] LordKitsuna@lemmy.world 4 points 1 year ago

I can't think of any One-Stop shop for literally everything, but there is a lot of great material out there both on forums and on YouTube. If you take it one step at a time and look at each individual piece of the installation you'll be able to find fantastic instructions for all of them fairly easily.

If you are in the US I recommend purchasing from signature solar, they have a lot of great bundles that will both save you some money and get you everything you need. I'd also say they have the best battery storage options, their rack mount batteries and their new wall mount battery are both fantastic and very easy to work with. They also sell solar panels by the pallet which helps you get a nice large array at a good price.

If I had to pick the hardest part it would just be making sure you get the grounding right on the inverter, if you're not careful it's pretty easy to end up with a ground Loop which isn't particularly dangerous but it will cause lots of weird little issues like flickering lights and other annoyances. But it's fairly easy to correct it it's usually just a result of people connecting both the input and the output on the inverter as well as bonding the secondary panel to the primary panel which creates a ground loop. The solution is as simple as just don't connect to the input power ground to the inverter only connect to the output ground so that it has to go through the ground Bond on the panels

It will definitely sound like a lot, but again if you just take each individual piece by itself it's very straightforward very simple and you'll be able to get it done while saving an absolute asinine amount of money compared to an installer.

I will warn you that if you try to do gridtie, which is where you're able to send excess electricity back into the grid. That comes with a lot more red tape and can get a lot more complicated. I personally did an off-grid setup, which still uses the grid as a possible input so if my batteries are dead and there's no sun out I can still use the power like normal it's just not capable of sending Excess power back out into the grid so there's a whole bunch of red tape that I don't have to worry about.

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[-] partial_accumen@lemmy.world 6 points 1 year ago* (last edited 1 year ago)

Is that paying cash for the solar system or financing? Financing can devastate the ROI with interest rates today. I'm looking at as long as 12 year ROI with possibly as short as 7 year ROI if I consider the USA's federal tax incentives. My slightly southern latitude (a border state with Canada) also likely contributes to slightly higher generation results using the same equipment.

How are the government incentives in Canada? I'm super envious of your great hydro power, my neighbor.

[-] JJROKCZ@lemmy.world 9 points 1 year ago

Bruh I got quoted 50k in St. Louis last year, would take decades for roi

[-] scarabic@lemmy.world 2 points 1 year ago

That can’t be for a home. If it was it was predatory nonsense. It should be a 7 or 8 year ROI with a 20-30 year service life.

Maybe not all areas have much competition driving prices down? I’m in sunny hippie California where every other house has solar.

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[-] baked_tea@lemmy.world 5 points 1 year ago

Well it's the company/ies not the product

[-] Buffalox@lemmy.world 3 points 1 year ago

Was that recently or last year? Prices were out of control last year. Here prices have dropped almost 30% just since May.

[-] cyberpunk007@lemmy.world 2 points 1 year ago
[-] Buffalox@lemmy.world 1 points 1 year ago

OK, you might be able to get offers at about half the price now then. If things are like they are here.

I calculated our ROI to about 9 years, the company however promises about 6, but I think that's overly optimistic.

[-] scarabic@lemmy.world 2 points 1 year ago

Wow. 3000 square foot home here so we had a sizable system. It was $15k USD.

[-] cyberpunk007@lemmy.world 1 points 1 year ago

Ha, mines like 1200

[-] Pxtl@lemmy.ca 2 points 1 year ago

How much of that is installation costs?

[-] IchNichtenLichten@lemmy.world 19 points 1 year ago

Tell me again about how we need to build more nuclear.

[-] atzanteol@sh.itjust.works 40 points 1 year ago

We definitely need to build more nuclear.

[-] Cornpop@lemmy.world 12 points 1 year ago

Agreed. 1000x. Solar alone can't save us.

[-] IchNichtenLichten@lemmy.world 2 points 1 year ago

Nice straw man. Nobody is arguing 100% solar.

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[-] MisterD@lemmy.ca 4 points 1 year ago

And we need to do reactors with liquid fuels instead of solid fuel

[-] IchNichtenLichten@lemmy.world 2 points 1 year ago

You realize uranium isn't a liquid, right?

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[-] nrezcm@lemmy.world 2 points 1 year ago

You must construct additional nuclear.

[-] ikidd@lemmy.world 26 points 1 year ago

Solar and nuclear address completely different goals.

[-] IchNichtenLichten@lemmy.world 3 points 1 year ago

I know. Nuclear provides base load power, which can be argued is not needed any more.

https://www.zdnet.com/article/why-baseload-power-is-doomed/

[-] V0lD@lemmy.world 3 points 1 year ago* (last edited 1 year ago)

Maybe I missed some points by skimming, but the arguments made in that article are that:

  • 1 Australian researcher agrees with his stance

  • a region had 22% of its power produced by wind at one point

I guess the claim "it can be argued" is technically proven true, but the majority opinion I keep hearing from the electrical grid engineers in the news is the opposite

And, well, sometimes it just simply is night, and sometimes the wind doesn't blow. We don't have the battery tech to run from storage alone

But, honestly why wouldn't we use nuclear? It's the one power source we have without any real downsides untill ITER finally brings positive results

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[-] Mustard 2 points 1 year ago

It can be argued but only poorly.

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[-] Buffalox@lemmy.world 1 points 1 year ago

We need nuclear because it can cover 20% for 50 years, then we are out of suitable Uranium (allegedly).

That includes an expected undiscovered amount of twice of what has already been discovered.

Clearly nuclear can't solve the climate change problem alone.

[-] 0ddysseus@lemmy.world 18 points 1 year ago

Ah yes. This is why batteries in Aus cost the same as they did 10 years ago. Capitalism working as intended

[-] zephyreks@programming.dev 9 points 1 year ago

Think of all the profits you're delivering to shareholders!

[-] htrayl@lemmy.world 6 points 1 year ago

Batteries definitely do not cost the same.

[-] 0ddysseus@lemmy.world 11 points 1 year ago

Well that's a compelling case you make there.

Have a counterpoint:

Solar battery average price in 2018 was $10k for 10kw Its now $12k for 10kw.

So you're actually right! The price has increased.

https://www.solarchoice.net.au/blog/home-solar-battery-storage-system-prices-april-2018/

https://www.solarmarket.com.au/batteries/battery-pricing-and-sizes/

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[-] hark@lemmy.world 17 points 1 year ago

I heard the prices dropped a lot around 2012 too. Why are solar installations still rare?

[-] htrayl@lemmy.world 8 points 1 year ago

They are not rare. It is the fastest growing energy production mode and is growing faster every year.

Residential installations lag behind the commercial due to installation costs, but they are blowing up as well. I can walk around my neighborhood and see a couple dozen homes with it.

It's also highly regional. The further south in the northern hemisphere the more common.

[-] Professorozone@lemmy.world 7 points 1 year ago

Where I live, power companies successfully lobbied to charge a minimum fee to people using a grid-tied system (as opposed to off-grid). So now a bill that might have been lowered to $9.00 will cost the minimum fee of $30.00 (actual example). You might say, that $30.00 is still a very low power bill but how long will it take before that starts going up? They are also lobbying to buy power from homeowners for less than they charge homeowners. This was a huge turn-off for me considering the high cost of installation. When I asked the solar installer about off-grid installations, he said they weren't allowed to offer those. Not sure why but got the impression it was a government thing and not a company thing. Not sure.

[-] evranch@lemmy.ca 4 points 1 year ago

Here in Canada prices have stayed stubbornly high. It's the Canadian way.

I have panels that I bought for under $0.50/watt that they were clearing out at the local wholesaler years ago. Haven't been able to find anything even near that price range since, and I'm an electrician with access to wholesale pricing.

I have found some decent prices recently but they're all on full pallet lots. So you need to be a business dedicated to solar installs to get a fair price, and those businesses obviously don't pass the savings on as that's not the Canadian way.

Batteries are an even worse situation! If you live here and want storage, I hope you like lead-acid.

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[-] CptOblivius@lemmy.world 15 points 1 year ago

I looked into getting solar installed. Best I could get in my area was $45k for a 10kW system or $97k for a 20kW with 2 power walls for storage. F that, even with government subsided rates.

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[-] jetsetdorito@lemm.ee 12 points 1 year ago

POV reading this headline while paying $0.4-$0.5 /kWh

[-] Tire@lemmy.ml 3 points 1 year ago
[-] Buffalox@lemmy.world 6 points 1 year ago

It's the same here (Denmark), and it's not about whether we use solar, but if countries more suited for it do, which should decrease the price of electricity across countries. Just like when the Ukraine war caused gas to increase in price, electricity of all of Europe increased in price, disregarding their use or dependency on gas.

[-] Polar@lemmy.ca 2 points 1 year ago* (last edited 1 year ago)

Damn. Ontario Canada is 15.1-24 cents per kWh.

[-] tony@lemmy.hoyle.me.uk 6 points 1 year ago

Maybe raw battery cost has reduced but installed storage is 30% more expensive than it was a couple of years ago, and it was too expensive then..

[-] zephyreks@lemmy.ca 6 points 1 year ago

Thanks, China.

[-] hgtesla@lemmy.world 1 points 1 year ago* (last edited 1 year ago)

The reason include the increased efficiency of solar panels, government incentive measures, the widespread adoption of electric vehicles, and advancements of battery technology, especially lithium-ion batteries. solar and energy storage are expected to continue becoming more affordable, contributing to efforts to address climate change.

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this post was submitted on 27 Sep 2023
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