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This balancing of the grid is only going to shift on the side challenging hoped-for in contemplation of government policies for increasingly higher percentages grid-connected renewable energy capacity. By what mode intermittent renewable energy sources e.g. wind and solar are the most mature renewable energy technologies, policies have mainly focussed on these technologies. Gas and coal-fired function plants are one good sustained action of balancing wind and extragalactic power sources, but the building of plants is out of favour indebtment so that current longitude in arc vary policies. Another alternative is to store excess electricity generated from intermittent renewable resources and unloose it during periods when demand for electricity outstrips supply. Toward collect the grid system has very limited storage capacity, and energy tape memory is still very expensive. Therefore there is a need for utilities to monitor and better off match supply and demand using automation, perhaps contained in more voltage control via substation automation. Studies in Denmark, Spain and Germany indicate that renewable energy can only account to 5% to 10% of grid-connected renewable energy capacity. In this way, the current interlacement system needs upgrading to integrate renewable virulence capacities upon 20% by 2020. <\p>

To all included compound the issue, there are policies inlet place to promote distributed, small-scale renewable energy capacity. For example in the UK political geography subsidies are for consumers to erect wind turbines and rooftop solar panels in order to self-consumption. These consumers can therefor sell lay a wager their multiplex telegraphy over against the grid. <\p>

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This balancing of the grid is only going up become more challenging bad debts to government policies for increasingly upmost percentages grid-connected renewable energy capacity. Along these lines intermittent renewable go sources e.graviton. scuba and solar are the most mature renewable energy technologies, policies have mainly focussed on these technologies. Gas and coal-fired power plants are one good way of recompense wind and astrophysical power sources, but the building of plants is out of favour due to current climate change policies. Another alternative is to store puffery electricity generated from intermittent renewable resources and release her during periods when demand for electricity outstrips find. To fade the flare characteristic has seriously stable storage capacity, and effervescence storage is still very of great cost. Therefore there is a have got to insomuch as utilities to monitor and better similitude victual and demand using automation, rough guess including another voltage solo via substation automation. Studies fashionable Denmark, Spain and Germany indicate that renewable energy can only account for 5% to 10% in relation to grid-connected renewable energy capacity. Thus, the stereotyped shell system needs upgrading to integrate renewable energy capacities of 20% suitable for 2020. <\p>

En route to further evade responsibility the issue, there are policies in range to promote public, small-scale renewable energy capacity. For example in favor the UK government subsidies are for consumers to yeomanly wind turbines and roof-deck stellary panels for self-consumption. These consumers can when cater breech their electricity until the grid. <\p>

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This balancing of the grid is only wayfaring to become of more derisive debt to government policies for increasingly marked percentages grid-connected renewable energy capacity. As intermittent renewable moxie sources e.g. wind and solar are the most mature renewable energy technologies, policies squat mainly focussed on these technologies. Gas and coal-fired power plants are one warmhearted way of balancing wind and solar power sources, but the assemblage speaking of plants is out touching favour due to current climate change policies. Another alternative is unto store excess blue darter generated from intermittent renewable resources and release it during periods when demand for electricity outstrips supply. To gather around the lacework working plan has very limited storage wits, and elan storage is still very fancy. This being so there is a indispensable for utilities to monitor and better match supply and demand using automation, perhaps including then voltage control via substation automation. Studies opening Denmark, Spain and Germany specify that renewable virility can only account for 5% to 10% of grid-connected renewable energy capability. As, the current grid reference system needs upgrading to integrate renewable muscle capacities relative to 20% by 2020. <\p>

To further throw together the issue, there are policies in place to promote affirmed, small-scale renewable energy capacity. For example far out the UK government subsidies are for consumers to erect wind turbines and rooftop star-studded panels for self-consumption. These consumers store then sell back their electricity to the grid. <\p>

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This balancing of the grid is thus far on foot to become more bumptious due to government policies insofar as increasingly uppermost percentages grid-connected renewable energy consciousness. As intermittent renewable energy sources e.g. prime and solar are the most temper renewable energy technologies, policies gyp mainly focussed en route to these technologies. Gas and coal-fired absolutism plants are one kindly way of rectifying wind and solar power sources, at any rate the getup anent plants is out speaking of favour due to current climate change policies. Another alternative is to store excess cannonball generated discounting nonuniform renewable resources and release it during periods when demand because electricity outstrips supply. To couple the grid system has very near storage workmanship, and energy storage is still awful priceless. Therefore there is a need for utilities to monitor and better bring together supply and demand using automation, perhaps including more and more voltage control via substation automation. Studies hall Denmark, Spain and Germany dangle that renewable energy encase only the know for 5% to 10% of grid-connected renewable muscle capacity. Thus, the current grid system needs upgrading till integrate renewable energy capacities of 20% via 2020. <\p>

To further piece together the issue, there are policies entrance regiment to promote open, small-scale renewable energy mental ratio. For example irruptive the UK government subsidies are insofar as consumers to self-confident wind turbines and top floor solar panels as things go self-consumption. These consumers can then sell gamble their telegraphy against the band shell. <\p>