蓄電池による太陽光発電出力の自家消費増加の経済性評価

  • 矢部 邦明
    早稲田大学スマート社会技術融合研究機構
  • 林 泰弘
    早稲田大学スマート社会技術融合研究機構

書誌事項

タイトル別名
  • Economic Evaluation of Increased Self-use of PV Output Driven by Storage Battery System
  • チクデンチ ニ ヨル タイヨウコウ ハツデン シュツリョク ノ ジカ ショウヒ ゾウカ ノ ケイザイセイ ヒョウカ

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<p>This paper presents economic evaluation of storage battery systems which increase the self-use of PV output at houses and buildings. The selling price of PV generated energy is decreasing. Battery energy storage systems (BESS) can increase the self-use of PV output, and decrease the volume of buying electric power. So, the introduction of BESS to houses and buildings equipped with PV systems will be economical when the price of BESS is decreased enough. Authors investigated the optimum BESS capacity and hourly charge-discharge pattern for a year, then evaluated annual cost. Daily load pattern of each house and building, and time-of-use electric rates affect the conditions to make BESS cost-effective. Such conditions are shown in this paper.</p>

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