this post was submitted on 27 Sep 2023
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Solar power and storage prices have dropped almost 90%::undefined

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[–] [email protected] 63 points 1 year ago

85-87% reduced in last 10 years

[–] [email protected] 42 points 1 year ago (22 children)

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

[–] [email protected] 12 points 1 year ago (5 children)

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

[–] [email protected] 8 points 1 year ago (2 children)

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

[–] [email protected] 4 points 1 year ago (6 children)

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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[–] [email protected] 5 points 1 year ago* (last edited 1 year ago) (11 children)

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.

[–] [email protected] 10 points 1 year ago (9 children)

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

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[–] [email protected] 4 points 1 year ago

Well it's the company/ies not the product

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[–] [email protected] 20 points 1 year ago (5 children)

I hate to be pedantic, but the things in the picture are windmills... you know giant whirly things that are powered by wind... kind of very different from things that lie around and absorb sunlight.

[–] [email protected] 81 points 1 year ago (4 children)

You want pedantic? Those are wind turbines, champ. Windmills are used to mill grain, no matter how many people like yourself try to bastardize the term to apply to anything that rotates with air.

What's next for you people, pinwheels are now windmills?

[–] [email protected] 23 points 1 year ago (2 children)

Sorry, but not all wind mills are used for grain. Some ground stone and other material!

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[–] [email protected] 9 points 1 year ago (1 children)

What if the turbines are hooked up to an electric milling machine ?

[–] AdmiralShat 11 points 1 year ago

Then it's a windmilf

[–] [email protected] 9 points 1 year ago (1 children)

I told you I hate to be pedantic.

[–] [email protected] 5 points 1 year ago

Fair enough.

[–] [email protected] 3 points 1 year ago

Thank you! Seeing this more and more often and it drives me insane.

[–] [email protected] 16 points 1 year ago (2 children)

Wait until you hear what creates wind!

[–] [email protected] 4 points 1 year ago

There's a man in the clouds who blows really hard.

But the plants he eats grow in sunlight.

[–] [email protected] 6 points 1 year ago (1 children)

But, but... what if we put solar panels on the windmills? ;-)

Actually I double checked and solar-assisted windmills are a thing though not likely what's shown in the picture. Actually now I'm wondering if you could also use solar to concentrate a local heat differential and power a wind turbine (though liquid is probably more efficient)

[–] [email protected] 6 points 1 year ago (1 children)

That is inefficient, we should put windmills on solar panels.

[–] [email protected] 4 points 1 year ago

Solar Panel Windmills. Checkmate, nukular nerds.

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[–] [email protected] 19 points 1 year ago (6 children)

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

[–] [email protected] 17 points 1 year ago (6 children)

In america the installation costs as much as or more than the panels. Until the install costs come down no one is going to do it.

[–] [email protected] 12 points 1 year ago

About a third of the houses in my neighborhood have gone solar. My household was one of the first to do it about five years ago and every time I go for a walk I notice a new one that popped up. Our solar system payment is about half what our electric bill used to be and we make more electricity than we use every month of the year, even with charging a plug-in hybrid car. Far from “no one is going to do it.” I frankly don’t understand why more people don’t do it.

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[–] [email protected] 8 points 1 year ago* (last edited 1 year ago) (1 children)

Prices for the batteries and panels themselves have dropped. Just not the cost to install them.

[–] [email protected] 3 points 1 year ago (4 children)

What a shame. Is there no competition among contractors or is it inherently expensive?

[–] [email protected] 8 points 1 year ago (1 children)

Lots of red tape, at least in the US. And lots of scammy contractors out there.

[–] [email protected] 4 points 1 year ago (6 children)

As the guy in charge of the red tape - there really isn't much.

Show that it's designed to be safely installed on the roof and that you have a licensed electrician doing the install.

Then submit to an inspection.

It takes 15 minutes to get a solar permit, and the whole thing videos like $250 in permitting - most of which is inspections.

But the contractor invoices $3,000 for permitting, so of course they're gonna say there's a bunch of red tape to justify it.

[–] [email protected] 3 points 1 year ago

Mine took weeks to get an inspector out, and the local permitting fees were thousands (yes, I called the city and county to verify). Then the utility apparently required their own inspection, which took another month, because their guys kept no-showing.

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[–] [email protected] 8 points 1 year ago (1 children)

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.

[–] [email protected] 4 points 1 year ago

It's a company thing. Government can't force you to pay for electricity if you don't want it.

However off grid setups are more complicated and require a different design philosophy, so most solar companies don't do them. You have to shop for companies that specialize in off-grid setups.

[–] [email protected] 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.

[–] [email protected] 4 points 1 year ago (3 children)

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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[–] [email protected] 16 points 1 year ago (2 children)

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

[–] [email protected] 3 points 1 year ago (1 children)
[–] [email protected] 5 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.

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[–] [email protected] 12 points 1 year ago

If we use tax money, if it is important for entire world and survival of humans, then we wouldn't even care or notice

[–] [email protected] 11 points 1 year ago (4 children)

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

[–] zephyreks 10 points 1 year ago

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

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[–] [email protected] 10 points 1 year ago (1 children)

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..

[–] [email protected] 3 points 1 year ago* (last edited 1 year ago)

probably when using carbon cathodes instead of cobalt, the energy density drops from 300wh/kg to just 150wh/kg, so u would need extra anode/electrolyte mass to store the same amount of energy.i bet that those prices hikes are a result of diversion from rare earth metal mining..but just a guess

[–] [email protected] 5 points 1 year ago

Thanks, China.

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