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IEA reports on solar power

 
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biffvernon



Joined: 24 Nov 2005
Posts: 18551
Location: Lincolnshire

PostPosted: Mon Sep 29, 2014 2:58 pm    Post subject: IEA reports on solar power Reply with quote

Too little too late but nevertheless moving in the right direction:
http://www.iea.org/newsroomandevents/pressreleases/2014/september/how-solar-energy-could-be-the-largest-source-of-electricity-by-mid-century.html



Quote:
The sun could be the worlds largest source of electricity by 2050, ahead of fossil fuels, wind, hydro and nuclear, according to a pair of reports issued today by the International Energy Agency (IEA). The two IEA technology roadmaps show how solar photovoltaic (PV) systems could generate up to 16% of the worlds electricity by 2050 while solar thermal electricity (STE) from concentrating solar power (CSP) plants could provide an additional 11%. Combined, these solar technologies could prevent the emission of more than 6 billion tonnes of carbon dioxide per year by 2050 that is more than all current energy-related CO2 emissions from the United States or almost all of the direct emissions from the transport sector worldwide today.

The rapid cost decrease of photovoltaic modules and systems in the last few years has opened new perspectives for using solar energy as a major source of electricity in the coming years and decades, said IEA Executive Director Maria van der Hoeven. However, both technologies are very capital intensive: almost all expenditures are made upfront. Lowering the cost of capital is thus of primary importance for achieving the vision in these roadmaps.

The Executive Director also stressed that the two reports do not represent a forecast. As with other IEA technology roadmaps, they detail the expected technology improvement targets and the policy actions required to achieve that vision by 2050, highlighting priority actions and milestones for governments, research and industry stakeholders.

A central message in both publications deals with the need for clear, credible and consistent signals from policy makers, which can lower deployment risks to investors and inspire confidence. By contrast, Ms. Van der Hoeven said, where there is a record of policy incoherence, confusing signals or stop-and-go policy cycles, investors end up paying more for their investment, consumers pays more for their energy, and some projects that are needed simply will not go ahead.

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kenneal - lagger
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Joined: 20 Sep 2006
Posts: 9815
Location: Newbury, Berkshire

PostPosted: Tue Sep 30, 2014 5:27 am    Post subject: Reply with quote

Quote:
By contrast, Ms. Van der Hoeven said, where there is a record of policy incoherence, confusing signals or stop-and-go policy cycles, investors end up paying more for their investment, consumers pays more for their energy, and some projects that are needed simply will not go ahead.


Now where have we seen this recently?
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RenewableCandy



Joined: 12 Sep 2007
Posts: 12469
Location: York

PostPosted: Tue Sep 30, 2014 9:26 pm    Post subject: Reply with quote

The Ambrose of Doom weighs in with a pleasingly non-doom-ish piece Very Happy

I particularly like the parting shot about Rhubarb Smile
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Catweazle



Joined: 17 Feb 2008
Posts: 2189
Location: Little England, over the hills

PostPosted: Tue Sep 30, 2014 10:46 pm    Post subject: Reply with quote

So maybe technology will save us after all ? If the bankrupt countries don't blow us up first.[/i]
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emordnilap



Joined: 05 Sep 2007
Posts: 13972
Location: Houǝsʇlʎ' ᴉʇ,s ɹǝɐllʎ uoʇ ʍoɹʇɥ ʇɥǝ ǝɟɟoɹʇ' pou,ʇ ǝʌǝu qoʇɥǝɹ˙

PostPosted: Wed Oct 01, 2014 10:04 am    Post subject: Reply with quote

RenewableCandy wrote:
The Ambrose of Doom weighs in with a pleasingly non-doom-ish piece Very Happy


Has anyone calculated the resources and energy required (and all the resultant degradation and pollution) to make this switch from FF to solar? It may not even be possible.
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