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Title: {Mine} Is solar power really economical?
Source: SoSo
URL Source: http://www.northfortynews.com/pvrea ... ommunity-solar-farm-goes-live/
Published: Jan 30, 2015
Author: North Forty News
Post Date: 2015-01-30 17:24:02 by SOSO
Keywords: None
Views: 18551
Comments: 59

Air National Guard couple set to deploy Larimer County’s Senior Tax Work-Off applications accepted starting Feb. 2 PVREA’s second community solar farm goes live By NFN On January 29, 2015 In Dispatches · Add Comment

Poudre Valley Rural Electric Association initiated into production on Jan. 29 the cooperative’s second community solar farm.

The 632 kW Community Solar Farm II, located north of Fort Collins, is generating power for members of PVREA who have purchased panels to offset their electric use. In a partnership with Clean Energy Collective, this project makes two community solar farms for PVREA.

“We recognized the demand for another renewable energy option from our membership, and the overwhelming success and 100 percent sellout of the first solar farm provided us the incentive to establish our second community solar farm,” PVREA CEO Jeff Wadsworth commented.

The cooperative’s first solar farm located at the co-op headquarters is 116 kW powered by 494 solar panels. The second solar farm is more than four times larger with more than 2,200 panels generating 632 kW. Members who are interested have the opportunity to purchase solar panels through Clean Energy Collective. The energy generated from their purchased panels is deducted from their monthly bill.

According to Clean Energy Collective, the average residential member is estimated to see a bill credit of $5 per month per panel and will receive their return of investment in a little over 13 years.

This solar farm adds to the cooperative’s growing renewable energy portfolio, which already includes the cooperative’s first solar farm project, over 160 net-metering applications, the Carter Lake Hydroelectric project and the Green Power Program.

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Begin Trace Mode for Comment # 11.

#10. To: SOSO (#0)

Is solar power really economical?

Yes. It depends where you live, however and how the equipment is setup. As an example: if you live in the Southwestern area of the USA, there is abundant sunshine; if the orientation of the solar voltaic panels face South, you have an excellent investment with various energy conservation techniques such as attic insulation, double pane windows, etc.

A poor investment in solar power is to purchase a thermo-conversion system, i.e: hot water panels and piping. This is a poor investment.

Pridie.Nones  posted on  2015-01-30   22:08:10 ET  Reply   Untrace   Trace   Private Reply  


#11. To: Pridie.Nones, All (#10)

Is solar power really economical?

It depends where you live, however and how the equipment is setup.

But much more on the cost of electricity from your utility. I live in area in which the sun shines over 300 days per year. I have a 3400+ square foot two story home with gas heat and electric A/C. My annual electric bill is well less than $1,800. Assuming that I could install roof top solar to enabale to live off grid, how much do you think that system would cost to install, operate and maintain? If the installation $18,000 that would represent a 10 year payback period (not taking into account maintenance and replacement), $36,000 a 20 year payout. The last time I checked it would cost me much more than $36,000 to save $1,800 a year in electricity bills. Not is the definition of not economical.

Now there are places not too far from where I live that a somewaht remote or with a very low population density wherein the owner of the proprty would have to pay the utility upfront to construct the facilities necessary to provide electric service. Investment in on-site solar generation, as well as a whole range of renewal and energy efficiency facilities, may make good economic sense. But these situations are few and far between.

SOSO  posted on  2015-01-30   23:45:23 ET  Reply   Untrace   Trace   Private Reply  


Replies to Comment # 11.

#18. To: Pridie.Nones, All (#11)

It depends where you live, however and how the equipment is setup.

But much more on the cost of electricity from your utility.

You may be interested in this link to EIA data.

The avegrage residential cost of electricity, cents/kWh, in Nov. 2014 was: U.S. Total - 12.46

Hawaii - 35.06

Alaska - 19.47

Califonia - 17.05

Washington - 8.66

Colorado - 11.61

Texas - 11.94

Florida - 12.20

Massachusetts - 17.57

New York - 19.46

Ohio - 12.79

From the same EIA source, the percenatge of solar photovoltaic generation of all electric product from renewable sources (not all generation sources which is much, much higher than that from renewables):

2011 - 0.2%

2012 - 0.7%

2013 - 1.59%

2014 (thru Nov.) - 3.05%

Now that is impressive rate of growth but in the overall scheme of things it is neglible. On balance solar accounted for only 0.3% of all electric generation in the U.S. If solar PV was such an economic deal one would expect to see installations all over the place. Compare solar's market penetration of all renewables of about 3% YTD Nov. 2004 to 33.9% for wind and 7.85% for even wood. Geothermal is on a par with solar PV at about 3%. Hydro remains the leader at 48.0%.

The following should not be too surpising given the high cost of electricity in Hawaii.

"According to EIA's monthly net metering utility data, 9,200 net-metered PV systems were added in 2014 through October, bringing the total number of customers with net-metered PV to around 48,000. In Oahu, where most of the state's population resides, roughly 12% of customers have rooftop solar, compared to an estimated U.S. average of 0.5%, according to the Solar Electric Power Association. The average capacity of residential net-metered PV systems in Hawaii has also been increasing as larger and more efficient PV systems are installed.

Residential solar PV additions have been slowed by the delays customers experienced in getting approval to interconnect new PV systems to the grid. The delays stem from circuits on the Hawaiian Electric distribution grids reaching levels of rooftop PV capacity that are 120% or more of the circuit's daytime minimum load (see maps below)—a key threshold for Hawaiian Electric's interconnection approval process. Once that threshold is passed, an interconnection study may be required before the new PV system can be approved, which has resulted in a backlog of PV applications."

Compare HI to CA where solar accounted for only 2.15% of electricity generation in 2013.

SOSO  posted on  2015-01-31 15:08:27 ET  Reply   Untrace   Trace   Private Reply  


#23. To: SOSO (#11) (Edited)

But much more on the cost of electricity from your utility.

Apparently, the initial value for you and your family is not worth the investment in solar photo-voltaic conversion technology; for me, it is not about a dollars and cents perspective; it is more about the quality of life.

So far over an eight year period there have been no maintenance issues other than to hose off the panels in the two arrays I have. It takes about 30 minutes with a high pressure hose and a soft scrubber mounted on a pool deck handle so as to reach the panels within the two arrays. There are 16 panels mounted in series for each array; each panel array feeds an inverter (the inverter is operated at 75% of panel capability so I can upgrade four more panels in each array; I calculated the average power I consumed in the 5 year period before installation and there is no loss of any measureable power efficiency over the eight years of service.

My home is cool (~70 degrees F) all year round and I havn't seen an electric bill since installation.

To install this technology you must realize that the real value is quality of life. It can reach 120 degrees F (measured outside under the patio awning) in July, August and September where I live. It is cost prohibitive to be on the "grid" at peak load times because the utility company multiplies the cost by as many as 5X.

I might add, in the early mornings/evenings I use a whole house attic fan to blast the attic with cool air; this ensures a buffer for much of the day. I also insulated the attic by double recommended thickness as well as automatic attic fans. I also mounted double pane windows throughout the home and placed plenty of insulation barriers around doors to seal the place.

For me, it is about quality of life. The dollar cost is not a priority.

Pridie.Nones  posted on  2015-01-31 19:17:16 ET  Reply   Untrace   Trace   Private Reply  


End Trace Mode for Comment # 11.

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