How Electric Vehicles Interact With a Smart Power Electricity Network – Vehicle to Grid

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How Electric Vehicles Interact With a Smart Power
Electricity Network Vehicle to Grid
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What is Vehicle to Grid (V2G)?

• Vehicle-to-grid technology involves drawing
  unused power from the car into the smart grid.
  V2G, which is also known as vehicle-grid
  integration (VGI), can help the energy grid
  supply electricity during peak hours. It can also
  create an extra power source when
  weather-dependent renewable energy sources are
  not available.

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WHAT DO I NEED TO CONSIDER BEFORE DECIDING TO
CONNECT MY VEHICLE TO THE GRID?

• Firstly you have to have an electric car which
  can be charged by a standard electricity outlet.
• The second thing you will want to do is determine
  some basic driving habits i.e. if you drive
  almost your entire vehicle range to work and back
  every day, then there is unlikely to be much
  energy left over to swap between your battery and
  the grid, which makes setting up V2G a little
  redundant

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• Having decided that V2G connectivity is possible
  and feasible, you will need to look at the right
  products on the market to help you achieve this.
  I.e. which inverter should be used and which
  electricity trading contract will suit your needs
  the best?
• If you decide suddenly that V2G is not good for
  you, how can you get out of an otherwise more
  expensive contract?

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• Once these basic items have been checked off the
  list, it is time to call up your utility and
  start the process of applying for V2G. You can
  then purchase a suitable inverter which allows
  you to feed back into the grid (this will be
  similar if not identical to the type of inverters
  used on solar PV grid connected power supplies).
  Of course you will have to decide what sized
  inverter to go for.

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WHY IS VEHICLE TO GRID (V2G) GOOD?

• Vehicle to Grid applications have a number of
  benefits for all sorts of businesses and
  stakeholders. Vehicle to Grid (V2G)
• Empowers the home consumer to make sensible
  choices about when they use their electricity
  through smart metering
• Saves the consumer money in the long run through
  effective electricity management

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• Is green! Every time you supply the grid with
  electricity during the yearly peak energy demand,
  you are reducing the need to upgrade the
  electricity network with more transmission lines
  and generators
• You are helping to bring electric vehicles (EVs)
  onto the market
• You are reducing your carbon footprint! This is a
  big ones these days
• The electricity company can save money and reduce
  their unit electricity prices, or reduce the need
  to increase them

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• Reduce the amount of electricity transmission
  line needed. I.e. the car transports the
  electricity to where it is needed.
• Cuts down on the amount of fuel stations required
• Reduces our addiction to foreign oil through the
  accelerated introduction of electric vehicles and
  ability to replace fossil fuel generation with
  renewable energy generation.
• Allows more sustainable energy and renewable
  energy to be introduced onto the electricity
  grid, as electric vehicle batteries can now act
  as a buffer to intermittent generation.

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• The last point is an important one. Traditional
  transmission networks are struggling to cope with
  large percentages of intermittent renewable and
  sustainable energy generation, as electricity
  generation from these sources is largely
  dependent on the elements. Therefore to have the
  ability to store electricity somewhere is
  important. In many countries power utilities are
  approaching this by pumping water up a hill and
  regenerating during peak times (60 efficiency)
  or storing hydrogen formed by electrolysis
  underground ready for re generation (40
  efficiency). Storing electricity in batteries is
  a much higher efficiency (60 90) however is a
  little costly.

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• Vehicle to grid systems also work very well as
  storage mechanisms and are likely to play this
  role in the future as more electric vehicles hit
  the market. How soon we will see such networks
  will largely rely on the countries commitment to
  renewable and sustainable energy sources, as well
  as the abundance of wind, sun and wave energy.
  Although many companies claim to have a green
  lining, short term economics of such projects
  still remains the number one driver for the
  introduction of such technology.

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• The advantage to the end consumer who is running
  a vehicle to grid system is the savings in
  electricity for essentially hiring out the
  storage space in their electric car battery. So
  as we can see, it is definitely a win-win
  situation for many as it not only reduces the
  stress on our electricity transmission and but
  also generation networks, allows more sustainable
  energy to be placed on the system with lower
  carbon emissions, but also saves the end user
  money whilst making electric vehicles more
  affordable.

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• It also weans us off our foreign oil addiction
  through the cost effective introduction of
  electric vehicles, a topical issue as we approach
  peak oil status around the world.
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  ic-vehicles-interact-with-a-smart-power-electricit
  y-network-vehicle-to-grid/