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

Translated title of the contribution: Economic evaluation of increased self-use of PV output driven by storage battery system

Research output: Contribution to journalArticle

Abstract

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.

Original languageJapanese
Pages (from-to)363-371
Number of pages9
JournalIEEJ Transactions on Power and Energy
Volume139
Issue number5
DOIs
Publication statusPublished - 2019 Jan 1

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Energy storage
Economics
Electric rates
Costs
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ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

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. / Yabe, Kuniaki; Hayashi, Yasuhiro.

In: IEEJ Transactions on Power and Energy, Vol. 139, No. 5, 01.01.2019, p. 363-371.

Research output: Contribution to journalArticle

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