• Renewables in smart grids: Part II
  In the first installment of this feature, REFocus contributor Cristina Brooks discussed the basics of smart metering in relation to energy storage. Part II delves into greater detail, comparing grid and energy storage issues and metering concepts in California, Sweden and Canada.
• Renewables in smart grids: Part I
  REFocus contributor Cristina Brooks discusses the impact of smart metering on the penetration of renewables, taking into account trends on both sides of the pond. Brooks also examines how solar PV and wind generators are preparing for the changes that smart metering will bring to distribution.
• Lightweight OXIS lithium sulfur batteries a step closer for UK forces
  In the UK, battery technology company OXIS Energy has delivered the third phase of a research programme to improve its lithium sulfur cells for the Ministry of Defence, which wants to lighten the load on army personnel who have to carry several kilogrammes of batteries while on patrol.
• Fraunhofer develops compact charger for electric cars
  Researchers at the Fraunhofer ISE have developed a new three-phase charger to be used in charging stations and in electric vehicles.

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