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solar efficiency

World Record Solar Module Efficiency of 40.4% From CPV Startup RayGen

December 13, 2014 by Eric Wesoff
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RayGen Resources of Australia and the University of New South Wales have built a solar module with a world-record efficiency of 40.4 percent. The results were verified at NREL's test facility and handily beat the previous module record of 36.7 percent.[read more]

SunPower Is Tripling Solar Capacity, Boosting Cell Efficiency, Adding Energy Management and Storage

November 21, 2014 by Eric Wesoff

SunPower acquired SolarBridge, an Austin, Texas-based VC-funded integrated microinverter startup. SolarBridge has a high-performance, premium-priced inverter that is a good match for the industry's highest-efficiency solar module from SunPower.[read more]

How to Make a 'Perfect' Solar Absorber

October 1, 2014 by Energy @ MIT
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Solar Energy Absorber Tech

The key to creating a material that would be ideal for converting solar energy to heat is tuning the material’s spectrum of absorption just right: It should absorb virtually all wavelengths of light that reach Earth’s surface from the sun — but not much of the rest of the spectrum.[read more]

PACE Lives! First Solar Breaks Efficiency Record; Jet Fuel from Tobacco

August 11, 2014 by Lexie Briggs

Energy News on PACE, Solar, and Jet Fuel

Energy efficiency faces a unique challenge. Residential energy efficiency projects require upfront costs and pay back reliably, but over time. It can be tough to convince homeowners to spend hundreds or thousands of dollars to insulate their homes in order to save a few bucks a month in heating and cooling bills.[read more]

Trimming Solar Balance-of-System Costs With Electronics and Racking

April 28, 2014 by Herman Trabish

Trimming Solar Costs

The solar balance-of-system and racking sector is under intense pressure to reduce costs -- but it won't actually be all that easy. Cutting the costs of racking will be a little too much like bleeding a stone. One key is incorporating electrical components.[read more]