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Solar: A High-Yield, Low-Risk Financial Instrument for Your Investment Portfolio

By Mark Gusick
December 18, 2012   |   12 Comments

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12 Reader Comments
Comment
1 of 12
December 18, 2012
Mark

Good article - people certainly need this educational point.

In fact, it may be better than you outline. Consider that:

1.You get back your FULL cost, not the NET cost after credits. Possibly more if the ratio to savings to sale price increase is 20 to 1 as estimated in you referenced article.

2. Your savings are tax free, therefore they are far more significant when compared to a "bond" they are actually much more comparable to a muni bond

Keep up the good work.....Peter
Comment
2 of 12
December 19, 2012
Great article. The cost of solar is falling and will soon have a global rice as solar PV becomes commoditised (like flat screen TVs, laptops etc). In the UK our prices are now comparable to German prices. The cost of a 5kW system in the UK today is about $10,000, well below the $15,000 that you would currently pay in California. The only problem that you have in the USA is the 100% import tariff you have slapped on solar PV modules which will do two things: protect inefficient US made solar PV equipment which will no longer have to compete; and keep prices high for American consumers. Adam Smith would be appalled.
No image available
Comment
3 of 12
Anonymous
December 19, 2012
Yes, great article indeed! I actually forsee no problems contrary to what JG commented. The 100% tariff was imposed on Chinese manufacturers that already make an ineffecient, unsustainable panel. The American made panel has reached effeciencies of +20% already. Add to that next generation products like glass to glass panels, bi-facial panels, and american inverter companies leading the charge in innovation...you have a recipe for success.
Comment
4 of 12
December 19, 2012
hmm.... When I got a quote to go solar they priced a 5kw system at $12,000 net. But my entire electricity bill is $1400 per annum. My projected savings were $700 per annum.

A 5.8% "simple" return. But there may be maintenance costs. And if I sell the house will I get my money back?

Did they over spec the system?
Comment
5 of 12
December 19, 2012
Stephen

That quote is AFTER all quotes etc - correct ??

A 5.8% tax free return is the equivalent of a 7.8% taxed return and that does not count any annual increase in electricity prices which average between 5 and 7% per year.

Whether you get your money back is based on when and if you sell - but the going ratio in California is around 20 times saving ADDED to sale price so your get back $14,000 if you sold next year - if you held on longer you would get money back PLUS the annual return...certainly not a bad return and given the "low risk" it is an excellent return and hard to beat.
Comment
6 of 12
December 19, 2012
I think this is a wonderful article for pointing out the value of solar. Just a couple little quibbles. Who has $15K sitting around to invest? I do in my 401K, but that can't be invested in a solar array for my house. Otherwise I'd pretty much need to borrow the out-of-pocket up-front costs.

I do really see a lot of promise in the Solar City model. Save people from the up-front costs, give homeowners/occupants a utility bill savings, and increase the value of the house. The problems with that are maybe my own ignorance but the Solar City model I looked at for my mom's house in CA was pretty sparse on details. The "sales rep" couldn't tell me what happened at the end of the 20 year lease. Did they come remove the array? Did I have a buyout option (and at what cost)? Estimates where available for how much we could reduce our monthly utility bills today, but I didn't see any info on whether this lease was basically a PPA for a set rate on kWh or if they'd raise the rates along with utility increases (such that I'd always pay 10% less than a full utility-only bill but be susceptible to rate increases).

Currently I'm thinking of applying for a HELOC on my house to pay for an array, but now Congress is discussing ending the mortgage-interest deduction for HELOCs.

All of the above stuff could be figured out on paper, details nailed down, but then there's the big factor for why I've held off so far (and continue to do so). Solar PV prices seem to keep decreasing every year. The time until payback will be a big factor for me. I'd rather borrow the purchase money and pay the bank a HELOC or LOC interest charge which might pretty well mirror the reduction in my utility bill.

I also really want a way to back-feed an EV as a battery bank during a power outage. Might have to wait on the EV thing til the inverter needs replacement though. So DC array or micro-inverter?! It's confusing sometimes.
Comment
7 of 12
December 19, 2012
Hi Peter,

Thanks for your reply. I am presenting one consumers thoughts for the benefit(?) of the pros.

I agree with your calculation. But you are assuming that the average consumer is also considering putting cash into bonds.

Most likely they are borrowing, say a home equity loan. In which case the net savings are zero or negative. Especially if you take out the 5% increase in utility prices assumption. Which I think is a hard sell (natural gas prices and efficiency improvements could negate that in the next 5 yrs).

Another thing that I think hurts the "sell" is the fact that if you feed into the grid you are still blacked out in the event of grid failure. I think grid independence during a black out would be a selling point and an added feature. I find it hard to believe that there is no easy technical solution to this. I know I could cobble something together from my junk box. Is this an attempt by the utilities to retain control?

Stephen
Comment
8 of 12
December 19, 2012
Stephen

I understand.

Some points

1. I really do not think you are doing to have dropping utility rates - really hard to see that happening....

2. Only way to accomplish back up with a system is a battery bank and that will cost you additional...but it will work...possibly a 5 year home improvement loan whose interest paid is tax deductible ??
Comment
9 of 12
December 19, 2012
Hi Peter,

I agree. In the case you describe, a solar system is a good investment. In my case it doesn't add up in pure financial terms.

2. I don't mean a full backup. I mean if the grid goes down I can still use the solar power while the sun shines. Then have no power when it get dark. A lot better than nothing.

1. Utility prices won't drop, but they may not rise by 5% a year. Random link to Texas power prices in the last 5 yrs:-

https://power2switch.com/TX/electric-rates/
Comment
10 of 12
December 19, 2012
Great article ! ! The ROI is exactly why I put solar panels upon my home. http://www.youtube.com/watch?v=y4C5qWwFTFY
Comment
11 of 12
December 21, 2012
Good article but I don't understand where the $125/month savings calculation comes from. Where I live in Ohio, we get 4.3 hours sun/day. 4.3 hours/day x 30 days/month x 5kW = 645kWh/month. I pay around $0.12/kWh, so my savings would be 645 x $0.12 = $77.40/month. To realize $125/month, you'd have to average almost 7 hours full sun/day. I guess a lot depends on where you live (sun exposure), what you pay for electricity and whether you're selling RECs.
Comment
12 of 12
December 29, 2012
Mike,

You are correct in that savings would depend a large part on one's cost for electricity. A savings of $77.40 per month, as in your example, would yield a 6.2% return in the first year - not bad when considering the serious uncertainty in financial markets. My point is that investors would be well served to rebalance their portfolios in favor of safe investments that actually pay a good rate of return, especially in light of historic low interest rates and volatility in the stock market (where anyone can get clobbered at any time). When factoring in future expected utility rate increases, let's say 3% per year on average, your 6.2 % rate of return increases to 7% in year 5 and 8.1% in year 10. If we assume a 6% per year increase, your rate of return would increase to 7.8% in year 5 and 10.5% in year 10. Also of note, as Peter mentioned, your savings would be tax free.

Thank you, happy holidays, and feel free to call me anytime.

Best,

Mark
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Mark Gusick

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About: Mark is a consultant with LA Solar Group and an analyst at Solar Investment Network based in Metropolitan Los Angeles. He holds a BS in Finance from DePaul Univ... more »

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