[ RadSafe ] solar advances

Wed Sep 2 14:58:05 CDT 2015

Group,

      The more solar improves in efficiency, the less likely a new
generation of nuclear reactors will be built....

      Joe Preisig


On 9/2/15, Dan McCarn <hotgreenchile at gmail.com> wrote:
> Joe - I doubt that farm / grazing land will be significantly impacted.
> There are just too many more appropriate places close to the demand. I
> suspect that usage will be rooftop, landfills, and other unusable or fixed
> structures to distribute generation capacity at the location of the load.
> Los Alamos has constructed a photovoltaic "farm" at the public landfill,
> for instance.
>
> Dan ii
>
> Dan W McCarn, Geologist
> 108 Sherwood Blvd
> Los Alamos, NM 87544-3425
> +1-505-672-2014 (Home – New Mexico)
> +1-505-670-8123 (Mobile - New Mexico)
> HotGreenChile at gmail.com (Private email) HotGreenChile at gmail dot com
>
> On Wed, Sep 2, 2015 at 8:46 AM, Joseph Preisig <jrpnj01 at gmail.com> wrote:
>
>> Hmmmm,
>>
>>      Sounds like solar power will compete with farming for many acres
>> of viable crop-growing land.  Not so good.
>>
>>       Joe Preisig
>>
>>
>>
>> On 9/1/15, parthasarathy k s <ksparth at yahoo.co.uk> wrote:
>> > Friends,
>> > I could gather some more information on the solar powered airport in
>> > India.This airport was constructed in record time.The management Cochin
>> > International Airport Limited (CIAL) is very progressive.In 2013, They
>> > erected a 100 kWp to begin with and progressively raised it to higher
>> > levels.
>> > The solar power system is grid connected with no battery stage.The 12
>> > MWp
>> > solar power plant, comprising of 46,150 solar panels laid across 45
>> > acres
>> > near cargo complex now  produces 50,000 to 60,000 units of electricity
>> per
>> > day to be consumed for all its operational functions, It needs 48,000
>> units
>> > of power per day.The entire power produced during the day is fed to the
>> > State's electricity grid. The airport buys back whatever it needs from
>> the
>> > grid.The airport has a power purchasing agreement with the Kerala State
>> > Electricity Board. CIAL is a profit-making company . The Company paid
>> > 21%
>> > dividend to the investors
>> > Kerala State is sunny. The humidity in the region is also high. As Mike
>> said
>> >  dust and biofilms can eat into the efficiency of solar cells. Hot
>> climate
>> > with lot of humidity can accelerate the growth of all sort of little
>> beasts
>> > including fungi!
>> > Yes maintenance issues may be humongous. We have to watch how
>> successfully
>> > it operates over periods of months and years. Reality will set in once
>> the
>> > celebrations are over.
>> > India plans to construct 100 GW of solar power in the next five years.
>> Many
>> > consider this as too ambitious.
>> > RegardsParthasarathy
>> >
>> >
>> >
>> >      On Wednesday, 2 September 2015, 2:41, "Brennan, Mike (DOH)"
>> > <Mike.Brennan at DOH.WA.GOV> wrote:
>> >
>> >
>> >  I think the best answer is, "It depends".
>> >
>> > You are correct that there are a lot of things on the ground that have
>> to be
>> > taken into consideration.  It would be foolish to not engineer for
>> whatever
>> > the extreme weather is for that location: the cost per unit of energy
>> goes
>> > up a lot if the entire array has to be replaced after every wind storm.
>> >
>> > Cleaning is probably going to be the biggest ongoing maintenance cost,
>> > especially as it will be needed most often in the urban areas where
>> > solar
>> > energy can be used with the least line losses.  I suspect that dust and
>> > biofilms can really cut into efficiency.
>> >
>> > On the other hand, servicing a solar array has to be much cheaper per
>> unit
>> > of energy than servicing wind turbines.
>> > -----Original Message-----
>> > From: radsafe-bounces at health.phys.iit.edu
>> > [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of
>> > JOHN.RICH at sargentlundy.com
>> > Sent: Tuesday, September 01, 2015 1:11 PM
>> > To: The International Radiation Protection (Health Physics) Mailing List
>> > Cc: radsafe-bounces at health.phys.iit.edu
>> > Subject: Re: [ RadSafe ] solar advances
>> >
>> > Just a quick question  - -pls don't blow it out of proportion.
>> >
>> > As part of the nuclear industry (disclosure) I have a pretty good
>> > understanding of nuclear plant maintenance requirements.  The question
>> is,
>> > what are the maintenance requirements for solar arrays.  It seems like
>> > they're pretty trouble free on the ISS, but would it be the same for an
>> > 'earthly' environment..  For example, could temperature variations,
>> > dust,
>> > wind, storage batteries, etc., increase maintenance costs enough to make
>> a
>> > difference?
>> > thx - - jmr
>> >
>> >
>> >
>> >
>> >
>> > From:  Maury <maurysis at peoplepc.com>
>> > To:    radsafe at health.phys.iit.edu, JAitken at slb.com,
>> > Date:  09/01/2015 02:25 PM
>> > Subject:        Re: [ RadSafe ] solar advances
>> > Sent by:        radsafe-bounces at health.phys.iit.edu
>> >
>> >
>> >
>> > As you see below, this is a major airport that operates 24/7 . . .
>> >
>> > Cochin International Airport, Cochin, India
>> >
>> > Airport data
>> > IATA Code: COK    ATC Tel: +91 484 261 0121    Time: UTC+5.30
>> > ICAO Code: VOCI    ATC Fax: +91 484 261 0119    Runway: 3400m /
>> > 11155ft (Hard)
>> > *Hours of operation: 24hrs*
>> > Customs: Yes ; Tel: +91 484 261 0072    Immigration: Yes ; Tel: +91 484
>> > 261 0022    Fuel availability: Jet/Avgas
>> > Nearest other airports: Cochin 15nm; Coimbatore 65nm; Calicut 65nm Best,
>> > Maury&Dog [MaurySiskel maurysis at peoplepc.com]
>> > ==================================================
>> > On 9/1/2015 12:50 PM, Doug Aitken wrote:
>> >> Schlumberger-Private
>> >> ________________________________________
>> >> It would be interesting to see how they store the electricity for
>> > night-time operation.
>> >> Or are they strictly a daytime operation?
>> >> Regards
>> >> Doug
>> >>
>> >> Doug Aitken
>> >> Cell phone: 713-562-8585
>> >> QHSE Advisor, D&M Operations Support
>> >> Schlumberger Technology Corporation
>> >> c/o Kathy Trosclair
>> >> 300 Schlumberger Drive, MD15,
>> >> Sugar Land, Texas 77478
>> >>
>> >>
>> >>
>> >> -----Original Message-----
>> >> From: radsafe-bounces at health.phys.iit.edu [
>> > mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of parthasarathy
>> k s
>> >> Sent: Tuesday, September 01, 2015 12:08 PM
>> >> To: The International Radiation Protection (Health Physics) Mailing
>> >> List
>> >> Subject: Re: [ RadSafe ] solar advances
>> >>
>> >> Friends,
>> >> India has reportedly the world's first fully solar powered airport at
>> > Cochin Capacity 1.1 MW The link:
>> >> Indian airport is the first in the world 100% powered by renewable
>> > energy
>> >>
>> >
>> ----------------------------------------snipped-----------------------------
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