First off, the reason the lessor can price a prepaid lease lower than the purchase after incentives is because the lessor, in addition to the incentives, takes advantage of accelerated depreciation of the full amount of the system cost, something that the individual owner cannot do. They are not relying on some end of lease recoup of value. Also realize that long before the end of the lease, the solar system will have been depreciated to zero so anything that the lessor receives from the sale of the system will be taxed as recaptured depreciation.
Now let me put on my business hat for a moment. I don't think we know what costs will be in 20 years but let's assume, reasonably I think, that we can pretty much price things in today's dollars. Today, you can buy 250 watt solar panels for about a buck a watt. Based on a warranty of 25 years, our 20 y.o. panel has about 20% of its warranted life left so you might assume that it would be worth about 20% of the price of a new panel. But of course, the panel is still outputting most of its original power so 20% seems too low a value. So, let's double it to 40%: which translates into a "value" of maybe $0.40/watt. So let's say I can sell 20 y.o. used panels at $0.40/watt in competition with brand new warranted super high efficiency ones with the latest technology costing $1.00/watt. To make it easy, let's assume we're dealing with 250 watt panels but obviously, we're going to have a wide variety of sizes and manufacturers. So I assume I can sell each panels for $100. My source of used panels is all those systems coming off leases from 20 years prior. These are owned by a variety of lessors and that's from whom I will be buying them.
I want this to be a profitable enterprise so let's back out of the retail value of the panel - $100 - what it is I can pay the lessor for them and still turn a profit. Let's take profit out first: I don't think $10 is unreasonable. Now those panels are on roofs so I'm going to have to get them off the roof and do it without damaging the roof. A typical installation might be 20 panels. To have a rental truck and a couple of guys going to a site, removing the panels and loading them into the truck in some manner and returning them to our warehouse and unloading them is liable to cost a couple of hundred $$ let's say $200 to keep it simple. That's $10/panel. At the warehouse, the panels have to be cleaned, sorted, inspected, and tested. There will likely be some damaged/rejects. I think this might all cost another $25/panel. The panels will then have to be packaged for protection which I assume would cost probably a minimum of $5/panel. The cost of the warehouse, office, insurance, contractor's license, computer, telephone, utilities, misc. overhead etc. is probably going to cost at least another $20/panel. What's left is probably the most you can afford to pay the lessor for the panel:
So: $100-10-10-25-5-20 = $30/panel
That actually represents fair market value. For a five kW installation, that's about $600 worth of panels. If I were the homeowner, I'd say to the lessor: I'll give you $700 just to avoid the hassle of having to deal with people running around on my roof. What do you think the lessor is going to do? And how long is the used panel business owner going to be around in that event?
Now let me put on my business hat for a moment. I don't think we know what costs will be in 20 years but let's assume, reasonably I think, that we can pretty much price things in today's dollars. Today, you can buy 250 watt solar panels for about a buck a watt. Based on a warranty of 25 years, our 20 y.o. panel has about 20% of its warranted life left so you might assume that it would be worth about 20% of the price of a new panel. But of course, the panel is still outputting most of its original power so 20% seems too low a value. So, let's double it to 40%: which translates into a "value" of maybe $0.40/watt. So let's say I can sell 20 y.o. used panels at $0.40/watt in competition with brand new warranted super high efficiency ones with the latest technology costing $1.00/watt. To make it easy, let's assume we're dealing with 250 watt panels but obviously, we're going to have a wide variety of sizes and manufacturers. So I assume I can sell each panels for $100. My source of used panels is all those systems coming off leases from 20 years prior. These are owned by a variety of lessors and that's from whom I will be buying them.
I want this to be a profitable enterprise so let's back out of the retail value of the panel - $100 - what it is I can pay the lessor for them and still turn a profit. Let's take profit out first: I don't think $10 is unreasonable. Now those panels are on roofs so I'm going to have to get them off the roof and do it without damaging the roof. A typical installation might be 20 panels. To have a rental truck and a couple of guys going to a site, removing the panels and loading them into the truck in some manner and returning them to our warehouse and unloading them is liable to cost a couple of hundred $$ let's say $200 to keep it simple. That's $10/panel. At the warehouse, the panels have to be cleaned, sorted, inspected, and tested. There will likely be some damaged/rejects. I think this might all cost another $25/panel. The panels will then have to be packaged for protection which I assume would cost probably a minimum of $5/panel. The cost of the warehouse, office, insurance, contractor's license, computer, telephone, utilities, misc. overhead etc. is probably going to cost at least another $20/panel. What's left is probably the most you can afford to pay the lessor for the panel:
So: $100-10-10-25-5-20 = $30/panel
That actually represents fair market value. For a five kW installation, that's about $600 worth of panels. If I were the homeowner, I'd say to the lessor: I'll give you $700 just to avoid the hassle of having to deal with people running around on my roof. What do you think the lessor is going to do? And how long is the used panel business owner going to be around in that event?
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