prasercat
Senior Member
- Joined
- Oct 24, 2007
- Professional Status
- Certified Residential Appraiser
- State
- Colorado
It's kind of nit-picky, but for homes that are off the grid, or for areas with frequent power outages, wouldn't it simply be a matter of the benefit of solar panels offsetting the detriments of the location? Net zero adjustment in the Sales Comparison and an equalization of site cost in the Cost Approach. In those areas, I'd look at it less as an amenity and more as a cost of doing business (if you can apply that term to a residence).
The electric car analogy is a good one. Do buyers of solar powered homes pay any more attention to the cash flow than does the buyer of an electric car? What's the resale value like on electric cars? I'd guess that buyers pay an inordinate premium for new and want a significant discount for used, similar to how I think the market would react to new and used solar electrical systems.
No, I don't see it as "net-zero". I think the analogy is more like, you have a car with two engines, one runs on gasoline and the other on sunlight, so you have a car with two engines (like having solar PV and also have electric from the grid). Buyers should just want a car with an engine, that is, just what is needed to make it function (not two engines). If I live in an area without gasoline, then I need to have a car that runs on solar. I will value the solar engine since it provides the necessary "utility" and "functionality".
In areas where there is gasoline, I would likely just opt for the gasoline engine, forgo the second solar engine and save my money for some other need. The solar in that case isn't required for the utility required by the market - that is, a car that runs.
I value different heating systems differently; such as, electric baseboard, forced air furnace, hot water radiant baseboard, hot water radiant infloor heating (which depends upon market,size of house, quality, depreciation, etc.), so in this case, with solar electric, it could be any one these things but with the power source being electric instead of gas; however, there would be additional costs for the panels, the batteries, the electrical converters, transformers, etc.. There has to be a reason for the market to pay that extra cost and when there is no choice due to location- that makes a good reason!
While I have conducted no study of this, it only seems logical that buyers that own electric cars will want to have solar PV generation systems at home to recharge them. Therefore, as electric cars become more common, the demand for solar voltaic will increase.