Saturday, March 16, 2013

Another Banner Year for Solar Power: Industry Breaks Records in 2012 By Jennifer Runyon, Managing Editor, RenewableEnergyWorld.com March 14, 2013


Another Banner Year for Solar Power: Industry Breaks Records in 2012

In 2012, the U.S. solar industry grew 76 percent over 2011, adding 3.3 GW of new solar capacity.

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7 Reader Comments
Comment
1 of 7
March 15, 2013
Utility scale solar powr prices still high in the USA $2.27 at the end of 2012, should be around $1.5. EPC contracting and permitting costs seem high.
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2 of 7
Anonymous
March 15, 2013
No worries about the solar tariff - Solarworld has stepped up to the plate with 0.90 $/W modules to fill the void ... oh wait, that's not them? My bad.
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3 of 7
March 15, 2013
It would be interesting to see what portion of PV deployment in Arizona is driven by California and what portion is actually Arizona's doing.
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4 of 7
March 15, 2013
As solar programs move into acceptance in the continental USA, the amount of inSOLation in states other than the SW seems to be diminishing during the 4th and 1st quarters. Is there any data to support this awareness? These are the periods when sunlight is sparse and getting sparser with time, probably because of climate change.
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5 of 7
March 15, 2013
With respect to net metering - Let the market work!? That's anathema to a monopoly based system. Of course, they will always threaten increased rates if users are allowed to produce some of their own power. That actually makes no sense but it seems to be a marketable proposition. While customers are paying $.38 per kWh off the grid during peak demand (largely related to solar intensity) letting users meter power onto the grid at 0.08 $/kWh is going to drive prices up? What we have is a system where producers are allowed to create scarcity in order to drive up peak prices to the point where quality of service is compromised but customers become acclimatized to brownouts and blackouts and voltage and frequency regulation services can be provided at still higher prices. When profit margins are allowed as an adder to cost and tax revenues are also a ratio, it is not in the best interest of the producer or the government to reduce cost by expanding supply. Caps are merely a means of ensuring high consumer prices. Virtually every utility has a price structure which actually increases the effective rate for customers who use very little power off of the grid. Customers who use no net power or even no power still pay a host of fees for their grid connection (mathematically, an infinite $/kWh rate)and, in many cases, by regulation are not allowed to not be connected. So don't grow veggies in your backyard because that will increase prices at the supermarket - yeah, that's the ticket.
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6 of 7
March 15, 2013
Storage is not such a big deal. First in the southwest demand peaking is pretty well synchronized with the sun with, as Rhone mentioned, a few hours of lag into the dinner hour. Until there is substantial penetration, storage is a non-issue. The system already has to deal with fossil fuel generators that go off line merely to achieve a desired price point.
Second, storage isn't all that expensive as those (like me) that have off-grid systems can show. The cost of battery storage with medium scale commercial technology is ~0.08 $/kWh and ~0.19 $/kWh for small scale systems. In locations where the swing between peak to off-peak rates is high, storage systems by themselves may be cost justified. There is a cost issue with battery systems that require no ventilation or other infrastructure since they range from 0.35 to 0.65 $/kWh. There seems to be some confusion as to what technology is best for stationary systems - particularly, I see a lot of references to mobile technology which is irrelevant.
Also, avoid local optimization. Think of the grid as a system not a collection of point sources. One of the simplest solutions is to co-locate variable generators with dispatchable generators, especially those with finite total capacity; for example, a native band co-located a solar farm with a hydro dam to provide firm capacity equal to the sum of the two with smoothing of both daily and seasonal capacity variations (e.g. more sun, less water in July).
Comment
7 of 7
March 16, 2013
Way I see it, distributed 'solar energy production' could be profitable for homeowners and small business, rather than seen as a cash outlay. If the deferred costs were added as SREC's or FITs for energy production, the cost of installation would be covered and the cost of the money to do it as well, getting the banks on board. Seems obvious to me that wide spread adoption of distributed energy will stabilize the dollar and diminish some of the rampant speculation in 'center sourced' energy markets, all things that large money interests (in league with 'their' govt) would rather keep from national awareness. Wake up or get crispy, bunkey.
...The reason I say this is because many articles embrace the move of govt to fund many corporate and Ute projects with sums of money, when the general public would readily embrace distributed energy and the profit it deserves. Govt should be pushing smarter grids to enable the adoption of "small business and home solar." "Corporate business will take care of business".

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