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Intermittent renewable power not making the grid unreliable

The opponents of renewable energy development usually point to the intermittency of renewable energy sources such as solar and wind when discussing the major setbacks of the current renewable energy development. They even say that the increased renewable energy generation can lead to unreliable grid and cause problematic energy supply.

Several studies have proved otherwise. Last year's study commissioned by the US government concluded that the stability of energy supply is not being threatened by the increase in renewable energy generation.

The latest report by the IEEFA (Institute for Energy Economics and Financial Analysis) also says that major power systems can cope with increasing shares of intermittent renewable energy sources such as solar and wind, if the appropriate measures are taken.

The IEEFA study focused  at nine countries and regions which last year had shares of renewables ranging from 14.3% to 52.8% such as Denmark Germany and California, while the global average was 5.2%.

It also has to be noted that the level of liberalization in these markets varies: some include liberalized, energy-only markets, others are markets with some state intervention, and there are even markets with full state regulation.

The expansion of renewable energy generation does come with certain challenges but with the right measures grid will remain stable and future energy security will not be affected.

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