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Power to the People - Part 1

This is part of a trainng course delivered by WEST project (www.westproject.org.uk) on SolarPV 'Buildings As Power Stations'. For more information or to register please visit: https://www.westproject.org.uk/content/solar-pv

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Power to the People - Part 1

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  1. Buildings as Power StationsPower to the People Professor Stuart Irvine

  2. Summary • Introduction • Advantages/Challenges • Future Technologies • Case-studies • SPECIFIC

  3. Concept Buildings as Power Stations: Buildings which are capable of generating, storing and releasing their own energy Highlights issues relating to intelligent energy management and decentralised energy generation

  4. Advantages • Point of use generation • Increased security of supply • Less need for stand by generators for peak loads • Bridging the energy gap • Fulfilling CO2 reduction targets • Fulfilling Renewable Energy generation targets • Job creation • Means to tackle fuel poverty

  5. Challenges • Restructure National Grid to Smart Grid • Retro-fit vs. New Build • Integration into New/Existing building regulations • Energy Storage – Short term & Long term • Changing energy habits http://www.ofgem.gov.uk/Markets/WhlMkts/monitoring-energy-security/elec-capacity-assessment/Documents1/Electricity%20Capacity%20Assessment%202012.pdf

  6. Technology – Energy Generation • Solar PV • In the UK there are more than four billion square metres of roofs and walls forming the building envelope. • Most of this could potentially be used to harness solar energy.  • Retro-fit to existing buildings or newbuild • Wide range of products with both metal and glass substrates

  7. Technology – Energy Storage • Traditionally energy storage has meant the storage of fuels. • Most sources of renewable energy are intermittent in their nature. • Energy density plays a secondary role to safety, lifetime, low maintenance and cost in static utility scale energy storage • http://www.smartgridnews.com/artman/publish/Technologies_Storage/

  8. Technology – Energy Distribution The transition to a low carbon economy will involve major changes to the way we supply and use energy; transforming our electricity system lies at the heart of these changes. Integral to this transformation will be an electricity grid that is fitted with more information and communications technology progressively over time. The result will be a ‘smarter’ grid, that gives a better understanding of variations in power generation and demand, and allows us to use that information in a dynamic and interactive way to get more out of the system. DECC

  9. Diffuse radiation component is a challenge in the Welsh climate • From scenario modelling global average of diffuse radiation is 22-25%, just 20% clear conditions and 60-70% heavy cloud cover. • Solar PV modules prefer to operate under cloudless conditions with the sun striking the module at 90o. • Low solar insolation can create problem with insufficient voltage to turn-on inverter. • Solar collector ideally needs to collect efficiently over all angles.

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