Article View: sci.energy
Article #2231Re: Australia Wind Energy Cheaper Than Coal, Natural Gas, BNEF Says
From: jg
Date: Sat, 09 Feb 2013 22:11
Date: Sat, 09 Feb 2013 22:11
32 lines
3538 bytes
3538 bytes
On 10/02/2013 12:30 AM, Micky Bitsco wrote: > Do you know what the average duty cycle is of these Australian wind > machines? Also do you know what the source of back up power for both wind > and solar energy is in Australia. You have to take the whole power > generation costs over a 100% duty cycle and GHG emissions or you might just > fooling you self with half baked almost entirely politically motivated > conclusions steeped in both scientific and technological illiteracy. > > The often quoted duty cycle number for both wind and solar power here in the > States is 35%. That means that you must have back up power for the remaining > 65% of the cycle in the form of some other power generation, which must come > on line very quickly as in something like a dual turbine natural gas > generator. The largess of the back up power sources here in the US are > something like coal fired power plants, which cannot go on and off line > anywhere near quickly enough. Their giant coal fired/fossil fuel boilers > must be left running at operating temperatures 24 hours/day and will only > have slight, if any reductions in green house gases. Although better, a > similiar case can be made for typical natural gas fired power plants. If the > planet is going to be saved by wind and solar power, then the required > backup power for the other 65% of the cycle must be researched, designed, > paid for and implemented or you aussies will have the same -insane- energy > policys we have here in the States. > > Do some research on it and report back wouldja? > > You mean the giant coal fired/fossil fuel boilers use just as much fuel at night and can't respond quickly to the massive fluctuation at least twice every day? If we had to build a new fossil power station for every wind farm it would be more expensive, but they already exist.
Technical Details
Message-ID:
<5NzRs.3405$1k5.965@viwinnwfe01.internal.bigpond.com>Path:
arc1-ca.pugleaf.net!bp2ni38387wib.1!nntp.google.com!feeder1.cambriumusenet.nl!feed.tweaknews.nl!193.141.40.65.MISMATCH!npeer.de.kpn-eurorings.net!npeer-ng0.de.kpn-eurorings.net!border2.nntp.ams2.giganews.com!border4.nntp.ams.giganews.com!border2.nntp.ams.giganews.com!nntp.giganews.com!news.meeh.mikalv.net!gandalf.srv.welterde.de!goblin3!goblin.stu.neva.ru!pit-in1.telstra.net!news.telstra.net!61.9.128.156.MISMATCH!viwinnwcl01.internal.bigpond.com!viwinnwfe01.internal.bigpond.com.POSTED!7564ea0f!not-for-mailReferences:
<20130206Zi8RaHe07i@NyZZ> <5116797f$0$52266$815e3792@news.qwest.net>Show Full Headers
Complete Article Headers
X-Google-Thread: 9e5a772d74,c85de2ce0e100396
X-Google-Attributes: gid9e5a772d74,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII-7-bit
X-Received: by 10.180.93.230 with SMTP id cx6mr235616wib.5.1360922833858;
Fri, 15 Feb 2013 02:07:13 -0800 (PST)
Path: arc1-ca.pugleaf.net!bp2ni38387wib.1!nntp.google.com!feeder1.cambriumusenet.nl!feed.tweaknews.nl!193.141.40.65.MISMATCH!npeer.de.kpn-eurorings.net!npeer-ng0.de.kpn-eurorings.net!border2.nntp.ams2.giganews.com!border4.nntp.ams.giganews.com!border2.nntp.ams.giganews.com!nntp.giganews.com!news.meeh.mikalv.net!gandalf.srv.welterde.de!goblin3!goblin.stu.neva.ru!pit-in1.telstra.net!news.telstra.net!61.9.128.156.MISMATCH!viwinnwcl01.internal.bigpond.com!viwinnwfe01.internal.bigpond.com.POSTED!7564ea0f!not-for-mail
From: jg <jg@nospam.com>
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2
MIME-Version: 1.0
Newsgroups: sci.energy,soc.culture.australian,aus.politics
Subject: Re: Australia Wind Energy Cheaper Than Coal, Natural Gas, BNEF Says
References: <20130206Zi8RaHe07i@NyZZ> <5116797f$0$52266$815e3792@news.qwest.net>
In-Reply-To: <5116797f$0$52266$815e3792@news.qwest.net>
Lines: 35
Message-ID: <5NzRs.3405$1k5.965@viwinnwfe01.internal.bigpond.com>
Date: Sun, 10 Feb 2013 06:11:34 +0800
NNTP-Posting-Host: 58.167.244.38
X-Complaints-To: abuse@bigpond.net.au
X-Trace: viwinnwfe01.internal.bigpond.com 1360447681 58.167.244.38 (Sun, 10 Feb 2013 09:08:01 EST)
NNTP-Posting-Date: Sun, 10 Feb 2013 09:08:01 EST
Organization: BigPond
Bytes: 3095
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit