SolarPV achieves 20.26% conversion efficiency

Solar cells manufactured by China Sunergy have reached a conversion efficiency of 20.26% in the pilot R&D line and received certification from the Fraunhofer Institute for Solar Energy Systems. These mono-crystalline solar cells achieve this performance using normal wafers.

The company plans to start commercial mass production by the end of 2013.

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Grenfell is the building industry's Piper Alpha says CIBSE

The recent passage of the Building Safety Act is a welcome recognition of the fact that making safe buildings is a highly skilled operation says the Chartered Institution of Building Services Engineers, endorsing the need for more effective regulation and a profound change in culture.

Underlying project-starts uptick indicates gradual recovery, Glenigan data suggests

  • 13% rise in detailed planning approvals against the preceding three months
  • 18% decline in main contract awards against the previous year
  • 9% increase in underlying starts during the three months to May

Glenigan has released the June 2022 edition of its Construction Review.