The price of solar power will continue to fall, until it becomes the cheapest form of power in a rapidly expanding number of national markets. By 2026, utility-scale solar will be competitive for the majority of the world, according to BNEF. The lifetime cost of a photovoltaic solar-power plant will drop by almost half over the next 25 years, even as the prices of fossil fuels creep higher.

Solar power will eventually get so cheap that it will outcompete new fossil-fuel plants and even start to supplant some existing coal and gas plants, potentially stranding billions in fossil-fuel infrastructure. The industrial age was built on coal. The next 25 years will be the end of its dominance.  

2. Solar Billions Become Solar Trillions
With solar power so cheap, investments will surge. Expect $3.7 trillion in solar investments between now and 2040, according to BNEF. Solar alone will account for more than a third of new power capacity worldwide. Here's how that looks on a chart, with solar appropriately dressed in yellow and fossil fuels in pernicious gray:  

3. The Revolution Will Be Decentralized 
The biggest solar revolution will take place on rooftops. High electricity prices and cheap residential battery storage will make small-scale rooftop solar ever more attractive, driving a 17-fold increase in installations. By 2040, rooftop solar will be cheaper than electricity from the grid in every major economy, and almost 13 percent of electricity worldwide will be generated from small-scale solar systems.

 

The pace of technological innovation in solar is rapid and the argument that Moore’s law is applicable is gaining ground as the sector attached increasing research and development spending. The difficulties reported in getting the Ivanpah concentrated solar facility, in the Mojave Desert, up to peak performance is a setback suggesting the time required to deliver new technologies might be longer than some are currently envisaging. Here is a section from a Huffington Post piece dated November 17th: 

"During startup we have experienced ... equipment challenges, typical with any new Technology, combined with irregular weather patterns," NRG spokesman Jeff Holland said in a statement. "We are confident that Ivanpah's long-term generation projections will meet expectations."

The Technology used at Ivanpah is different than the familiar photovoltaic panels commonly used for rooftop solar installations. The plant's solar-thermal system — sometimes called concentrated-solar thermal — relies on nearly 350,000 computer-controlled mirrors at the site, each the size of a garage door. 

We hold an optimistic view on the metal casings industry. On the demand side, we are confident about its robust shipment momentum within the next three years due to (a) the design trend toward ultra-slim and lighter form-factor, and larger panel-screens on mobile devices (NBs, smartphones and tablets), (b) Apple’s preference for using metal casings (its adoption rate at 86%, Figure 19) for iPhone, iPad and Macbook products, and (c) the increasing adoption rate from other smartphone and tablet brand vendors. On the supply side, the disciplined procurement of CNC (Computer Numerical Control) machines by major casing suppliers in Asia (hence controlled supply increase) and the higher entry barriers in metal casings manufacturing and surface treatment solution can help ease the Street’s concerns about the industry’s oversupply risks.

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It is easy to become desensitised to photos of long lines of people sleeping outside Apple stores in order to be among the first to own the next new product. However these people represent the loyal customer base that is the envy of every other consumer electronics company. News last week that privately held, discount smart phone manufacturer Xiaomi would be moving to metal cases exemplifies the trend of Apple imitators, not least in the build quality end users have come to expect.