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Off Grid Energy Independence
Posted on April 09, 2018 by Dr Peter Harrop

Shell forecast solar winning

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Project the cost reduction of photovoltaics and wind and, for the largest of facilities including the most efficient, it is obvious that photovoltaics crosses wind to become lowest cost. As IDTechEx has pointed out in its off grid reports, these facilities, being typically smaller than grid supplies, see photovoltaics beating wind already in temperate and tropical climates because wind power halves in efficiency when downsized whereas photovoltaics does not.
 
PV magazine reports that Shell, "Unlike its American counterparts, the Anglo-Dutch company has long acknowledged the reality of global climate change. Furthermore, the company has made significant inroads in renewable energy, including acquiring a 44% stake in U.S. developer, Silicon Ranch, acquiring the U.K.'s largest independent energy company, First Utility, installing 250 MW in Australia, and investing in Singapore's Sunseap."
 
Most recently, Shell has issued a new report called Sky, the third in its series of future energy scenarios for the 21st century. Like the previous Mountains and Oceans reports, Sky envisions a very strong role for renewable energy, particularly solar, starting well before 2050.
 
Unlike the other two, Sky models a strong role of policy and markets, looking at a combination of bottom-up and top-down change. But perhaps the biggest differentiator is that Sky envisions a world where temperature increases are limited to below 2 degrees Celsius.
 
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"This is all happening in a world where, despite increasing efficiency, primary energy demand continues to grow, with Shell anticipating a doubling of global primary energy demand from 2000 to 2050, and continuing to rise after that.
 
In Sky, Shell models solar PV growth rates of 20% annually, with all new incremental electricity demand met by solar and wind by the 2030s. Under this measure, solar will reach 6,500 GW of installed capacity by 2035, and from then to 2070, nearly 1,000 GW will be added annually, with the global footprint of PV approaching the area of Spain.
 
This is accompanied by large increases in wind, biomass and other forms of renewable energy, but none on the scale of PV. In fact, the report sees solar meeting roughly the same portion of primary energy demand as oil in 2050, and becoming the dominant source of global primary energy - not just electricity, but all energy - by 2070.
 
This would be enabled by a massive increase in deployment of electric vehicles (EVs). Sky sees EVs representing more than half of global car sales as early as 2030, and this extending to all passenger vehicles by 2050, due to a combination of technologies, including autonomous vehicles.
 
Shell's vision of a future powered largely by solar and other forms of renewable energy contrasts sharply with the scenarios put forth by the International Energy Agency (IEA), the U.S. Department of Energy's Energy Information Administration (EIA), and even more with the plans of U.S. utilities.
 
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Both EIA and IEA are assuming much less dynamic future growth from solar, with IEA predicting that solar deployment will flatten in mid-century. In both cases, a number of academics have prominently criticized the assumptions made by the agencies. It is also worth noting that the previous scenarios issued by both agencies missed the growth that renewable energy has seen, and both agencies show a bewildering inability to adapt their forecasts to reality.
 
But even the willful blindness of EIA and IEA to the growth of renewable energy is surpassed by that of many U.S. utilities. In its most recent forecast, Duke Energy predicted that renewable energy would supply just 23% of electricity in its service area by 2050, and Michigan's DTE Energy has released a renewable energy compliance report, which shows that it expects virtually no growth in solar in its service area through 2030. "
 
PV Magazine advises, "But not all players in the power sector are showing the stubborn resistance to change that Duke and DTE display. NextEra Energy, which owns utility Florida Power and Light, recently signed a 2.75 GW PV module deal with JinkoSolar - the largest PV module supply contract known to pv magazine staff to date.
 
In the end, it remains to be seen if the forecast for solar in Sky plays out. There are several factors that could change everything, such as the potential for accelerated climate change due to natural feedback loops, such as methane escaping from permafrost, which could lead to an increasing rate of natural disasters, failures of agriculture and rapid societal change."
 
 
For more information see the IDTechEx report on off-grid zero emission electricity
 
Top image: IENE
Learn more at the next leading event on the topic: Business and Technology Insight Forum - Cambridge December 2018 External Link on 4 - 6 Dec 2018 at Cambridge, UK hosted by IDTechEx.
Dr Peter Harrop

Authored By: Dr Peter Harrop

Chairman

Posted on: April 9th 2018