| http://www.w3.org/ns/prov#value | - Rather than trying to control it all from one central location, devices within a certain proximity (thus sharing a common part of the power grid) can start adjusting their power usage, e.g. optimizing this for when the most solar and wind energy is available within this area (e.g. from solar panels on private roofs), and so each logical part of the national grid starts optimizing itself.
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