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    1. Opinion: Germany should focus on decentralised flexible energy supply and demand systems

      Opinion: Germany should focus on decentralised flexible energy supply and demand systems

      Rather than having ‘always-on’ baseload (e.g. nuclear) plants, and then following any extra load with peaking plants (usually gas), in the new system, variable loads and variable supply (from renewables) are balanced via a smart grid with demand-side measures, load peak shaving/delay, energy storage, and backup sources. That’s just what Germany plans to move to.

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      Mentions: France Russia Germany
    2. Analysis: Sunk costs of Hydro, Nuke, Coal, & Nat Gas Suppresses Renewables & Storage

      Analysis: Sunk costs of Hydro, Nuke, Coal, & Nat Gas Suppresses Renewables & Storage
      The increased cost comes from curtailment of renewable generation that occurs because thermal generators will choose to stay at a minimum level of operation even when uneconomic for them to do so at that specific time interval. That is to say the costs of turning off and turning back on are higher than the costs of operating below cost for a few hours. Because much of the electric grid is “inflexible”, this is an important area to consider for continued integration of renewables. Thus, this is one of the main reasons for consideration of storage technologies to reduce curtailment of wind and solar generation: renewables will be curtailed even before the total electrical demand becomes less than instantaneous renewable generation due to the inflexibility of the thermal power plants.
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      Mentions: TX
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