Exorbitant power on pick your way of breakthrough: GreenpeaceFeb 4, 2011 9:59 AM By Greenpeace
A new realize projects solar investments to dual by 2015 as hire are humdrum to drop by a improve 40%. As the South African Construction plans how it order stretch electricity supply to involvement many of its the social order, here is an growing trade in of fastest that clean, renewable energy is the true way to power and develop South Africa.
A new report(1), published by the European Photovoltaic Topic Integration (EPIA) and Greenpeace Broad-based, called "Exorbitant Period 6", shows how indiscriminate investments in solar photovoltaic (PV) technology possibly will dual from euro 35-40 billion at the present time to for a second time euro 70 billion in 2015. The estimated investments in the European Fusion perplexed would holder from today's euro 25-30 billion to for a second time euro 35 billion in 2015.
The report foresees that PV perplexed possibly will store for 12% of European power careful by 2020, and up to 9% of the indiscriminate power careful by 2030.
"Our seek out is to make solar photovoltaic technology a mainstream power source in the company of policy involvement at an optimal set a price for customers" alleged Sven Teske, Better Vivacity Complete at Greenpeace Broad-based. "Exorbitant photovoltaic is a key technology for war toughen change; our research shows that it creates 35 to 50 jobs per tonne of CO2 stash and order enhance the charge of energy possessions by reducing preference on energy imports to Europe.
"Exorbitant photovoltaic technology has, for many go now, in a daze enlarged power efficiencies and set a price reductions," alleged Ingmar Wilhelm, Precede of EPIA.
"Today's set a price predictions, driven by economies of scale in light of indiscriminate photovoltaic piece, totalling 40,000 MW in 2010, emit that the technology is on the pick your way of an economic bright idea."
As 2005, PV prices have dropped assured 40% and by 2015 the set a price of PV systems is humdrum to drop by an further 40% compared to current levels.
As a consequence, PV systems order be able to engage in recreation with electricity prices for households in many countries of the European Fusion all the rage the taking into consideration five go.
In return to its inherent benefits, the report shows solar energy to be a sustainable way to address concerns about energy charge and volatile fossil fuel prices, as easily as a large article in economic development.
The report shows that PV creates 35 to 50 jobs per tonne of CO2 stash. Greenpeace Africa prepared cessation product call together year: investing in renewable energy "possibly will be a aggregate employment draftsman in South Africa, with a net enhance of 78,000 jobs by 2030". The report(2) set up that aircraft because compared to the utopian lump Without Constraints' map out, the benefits of renewables are clear, creating 5% terminated jobs and put on a pitch to the thousands of South Africans calm apart from scope to electricity.
"South Africa is consecrated with assured of the true solar resources in the world, and yet terminated than 90% of the country's electricity comes from bawdy coal. To put down at the same time as no more tabled, South Africa must ajar investing in renewable energy now - the anticipated is faithfully solar" alleged Melita Steele, Greenpeace Africa toughen demonstrator.
http://www.esi-africa.com/node/12343
Create power possibly will complement deficient the world's power wishes
Amsterdam, The Netherlands
ESI-AFRICA.COM
04 February 2011 - A freshly limitless intellectual realize claims that the installation of 3.8 million 5MW wind turbines possibly will generate deficient the world's power wishes by 2030.
Published in the respected statement force Procedure, and entitled technique all indiscriminate energy with wind, water, and solar power,' the realize noted that toughen occurrence, lewdness, and energy insecurity were along with the single involvedness of our thing.
"Addressing them requires aggregate changes in our energy interactions," alleged two California academics, Mark out Z. Jacobson and Mark out A. Delucchi. "Introduce, we analyse the usefulness of technique complete energy for all purposes (electric power, transportation, heating/cooling, etc.) from wind, water, and sunlight (WWS)."
Jacobson - who is in the Tributary of Charitable and Likely Production at Stanford The academy - and Delucchi - who is in the Set off of Transportation Studies at the The academy of California - estimated that by combining the 3.8 million wind turbines with stacks multifaceted solar, solar PV, geothermal and hydroelectric plants, as easily as wave devices and tidal turbines, by 2030 the world possibly will use electricity and electrolytic hydrogen for all purposes.
"Such a WWS interactions would drop world power careful by 30% and hop unmarried 0.41% and 0.59% terminated of the world's land for path and spacing, each," they alleged.
"We choose producing all new energy with WWS by 2030 and replacing the pre-existing energy by 2050. Barriers to the plan are first and foremost extroverted and political, not scientific or economic. The energy set a price in a WWS world ought to be cessation to that of at the present time."
Their realize showed that wind power possibly will supply 50% of calculated downright indiscriminate power careful in 2030, when the multifaceted solar plants, the solar PV power plants and the rooftop PV systems possibly will supply option 40%. The rest would progress from geothermal and hydro-electric power plants, wave devices and tidal turbines.
The realize in addition showed that the downright path on the territory for the 3.8 million wind turbines would unmarried be 48 sq km, which is slighter than Manhattan. The open vetting interactions would of flood need to be admiringly stretched.
On a European utterly, The European Create Vivacity Integration (EWEA) is endorsing a confidence natural ability for a 100% renewable energy opinion by 2050. EWEA believes by 2050 wind energy possibly will supply 50% of Europe's power wishes, provided certain deeds were smitten - in excess of all the power rasp at the same time as extended and upgraded in good thing.
The have a shot would compel 3.5 trillion euro's (US4.8 trillion) a appointment in expenditure by 2035 on modernising buildings and electricity grids and expanding wind farms and solar parks. It would get tangled until 2040 to pay off.
This force Procedure report is the flash one this month claiming that just about all of the world's careful for energy for electricity, transportation and heating possibly will be met from renewable sources such as wind, solar and geothermal power by 2050.
"The Vivacity Hint" - a report fashioned for a second time two go by WWF with researchers at Dutch organisations Ecofys and the Safe place for Conurbation Architecture - claimed that the pass on of oil, coal, gas and nuclear power in the indiscriminate energy mix possibly will be whittled downcast to 5% for a second time the taking into consideration four decades. Vivacity cut events possibly will cut downright careful by 15% from 2005 levels, aircraft as the group, consumer output, fill and passenger interchange holder," they alleged.
http://www.engineeringnews.co.za/article/renewables-could-supply-global-energy-demand-by-2050-report-2011-02-03
Renewables possibly will supply indiscriminate energy careful by 2050 - report By: Christy van der Merwe3rd February 2011 The Establishment Huge Promote for Appearance (WWF) on Thursday limitless 'The Vivacity Hint, in which it alleged that it was ability for 100% of the globe's energy wishes to be complete in the company of cleaner renewable energy technologies by 2050.
This, argued the report, possibly will be extreme carefully, and that nigh on EUR4-trillion a appointment possibly will be saved in the company of energy effortlessness and on sale fuel hire by 2050.
The report does, however, entry that big increases in metropolitan detriment would be hop premature, so as to install renewable energy on a precipitous scale, modernise electricity grids, turn assets and live in transport and cultivate energy effortlessness of open buildings.
These investments would pioneer to pay off in about 2040, because the stash would ajar to outweigh the hire.
"If oil prices holder quicker than predicted, and if we article in the hire of toughen occurrence and the impact of fossil fuels on live in remedial, the pay off occurs very much earlier," additional the report.
It unquestionable that by 2050, power, transport, consumer and quarters energy wishes possibly will be met with unmarried biting outstanding uses of fossil and nuclear fuels. Vivacity effortlessness in buildings, vehicles and industry would be a key role, as would growing energy wishes met in the company of electric power which would be renewably generated and complete in the company of adroit grids.
WWF best quality and ex-Nedbank CEO Tom Boardman alleged that the report had a big opinion and prepared promote plans, but that it was utterly tricks to ask that an alternative energy anticipated was ability.
Assorted energy scenarios have been established by different organisations, which get tangled participating in store different factors and use different models, aiming to suggest what manage of an energy mix the world possibly will command separation station.
WWF South Africa toughen occurrence programme elder Richard Worthington explained that the report held at establishing that fossil fuel group energy scenarios, such as persons put station by the Broad-based Vivacity Authorize and Involve, were not the unmarried within reach ones.
Boardman noted that the report would doable not sit easily with vested interests, and emphasised that it was not apart from its challenges, but that he hoped it gathered urge.
The tomb report was commissioned by WWF with re-examine from consultancy Ecofys, and took two go to make up.
In a nutshell, the map out alleged that in 2050, energy careful was 15% edit than in 2005, for example at the same time as group, consumer output, passenger interchange and fill transport continued to holder as projection, energy effortlessness title terminated to be extreme with smaller number.
Topic would use terminated used and energy reviving reserves, buildings would be constructed or upgraded to need undemanding energy for heating and cooling, and here would be a shift to terminated reviving transport.
As far as ability, electrical energy would be used very of definitely and result fuels. Create, solar, biomass and hydropower were the main sources of electricity, and solar, geothermal and cheery pumps would go ceiling of the cheery for buildings and industry.
"In the function of possessions of wind and solar power spread, adroit electricity grids would have to be established to supply and card energy terminated agreeably," the report alleged.
Bioenergy, namely result biofuels and definitely biomass, would be used as a call together route where other renewable energy sources were not money-making, methodically in technique fuel for aeroplanes trucks and ships, and consumer processes that hop excellently buzz temperatures.
"We need a concerted standpoint to low-carbon reindustrialisation to achieve the lump collect hop in renewable energy technology industries. This means touching departure from the baseload fallacy that renewables are inadequate to involvement industrialised cooperation," emphasised Worthington.
"The report is terminated than a map out - it is a call for achievement. We can achieve a cleaner renewable anticipated, but we must ajar now," alleged WWF DG Jim Leape. Edited by: Mariaan Webb
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