18
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Design of sector-coupled energy systems in Japan

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Page 1: Design of sector-coupled energy systems in Japan

åœ°åŸŸć§ć®ć‚»ć‚Æć‚æćƒ¼ć‚«ćƒƒćƒ—ćƒŖćƒ³ć‚°ć®å®Ÿē¾åÆčƒ½ę€§

2021/10/26

4DHćƒ•ć‚©ćƒ¼ćƒ©ćƒ ē¬¬3回ć‚Ŗćƒ³ćƒ©ć‚¤ćƒ³ć‚»ćƒŸćƒŠćƒ¼

ę±åŒ—å¤§å­¦å·„å­¦ē ”ē©¶ē§‘ äø­ē”°äæŠå½¦

Page 2: Design of sector-coupled energy systems in Japan

Outline

2

1. 背ę™Æ

2. 地域ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒ‡ćƒ¼ć‚æć®ä½œęˆ

3. ꕰē†č؈ē”»ćƒ¢ćƒ‡ćƒ«ć‚’ē”Ø恄恟ć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ 

恮čØ­č؈äŗ‹ä¾‹

4. ć¾ćØ悁

Page 3: Design of sector-coupled energy systems in Japan

地域ć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ ć®ēµ±åˆćƒ‡ć‚¶ć‚¤ćƒ³ćØ地域ē†±ä¾›ēµ¦ć®ä½ē½®ć„恑

3

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rå¤‰ę›

V2G

P2L

P2G

P2H

ā‘  再ē”ŸåÆčƒ½ć‚Øćƒćƒ«ć‚®ćƒ¼ć‚’ć©ć‚Œć ć‘å°Žå…„ć™ć‚‹ć¹ćć‹ć€‚

ā‘” 再ć‚Ø惍ćØéœ€č¦ć®å¤‰å‹•ć‚’ć©ć®ć‚ˆć†ć«čŖæę•“ć™ć‚‹ć¹ćć‹ć€‚

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ćƒ»ćƒ‘ćƒŖ協定, NDC

ćƒ»åœ°ēƒęø©ęš–化åƾē­–č؈ē”»

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ćƒ»åœ°ę–¹å…¬å…±å›£ä½“å®Ÿč”Œč؈ē”»

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実ē¾ć«å‘ć‘ć¦ć€åœ°åŸŸć®

å½¹å‰²ć«ęœŸå¾…ćŒé›†ć¾ć£ć¦ć„ć‚‹ć€‚

åœ°åŸŸå˜ä½ć§ć‚«ćƒ¼ćƒœćƒ³ćƒ‹ćƒ„ćƒ¼ćƒˆćƒ©ćƒ«ćŖć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ ć‚’

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āž” ć‚»ć‚Æć‚æćƒ¼ć‚«ćƒƒćƒ—ćƒŖćƒ³ć‚°

- P2H: Power to heat ā†’ 地域ē†±ä¾›ēµ¦

- P2G: Power to gas

- V2G: Vehicle to grid

āž”地域間ć‚Øćƒćƒ«ć‚®ćƒ¼čžé€š

āž”č‡Ŗēµ¦ēŽ‡100%悒ē›®ęŒ‡ć™ć€‚

āž” ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«ć‚’ęœ€å¤§é™ę“»ē”Øć—ć€ä»–åœ°åŸŸć«ä¾›ēµ¦ć™ć‚‹ć€‚

āž”äøč¶³åˆ†ć‚’ä»–åœ°åŸŸć‹ć‚‰ē§»å…„恙悋怂

Page 4: Design of sector-coupled energy systems in Japan

ć‚»ć‚Æć‚æćƒ¼ć‚«ćƒƒćƒ—ćƒŖćƒ³ć‚°ćØ地域間ć‚Øćƒćƒ«ć‚®ćƒ¼čžé€šć«ć‚ˆć‚‹éœ€ēµ¦čŖæę•“

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NH3

地域間ć‚Øćƒćƒ«ć‚®ćƒ¼čžé€š

需ēµ¦čŖæę•“ä¾›ēµ¦ éœ€č¦

Page 5: Design of sector-coupled energy systems in Japan

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ć©ć®ć‚ˆć†ćŖå¤‰å‹•ę€§ćŒć‚ć‚‹ć‹

V2Gć®ćŸć‚ć«EVć®č»Šč¼‰č“„é›»ę± ćÆ

ć©ć‚Œć ć‘åˆ©ē”ØåÆčƒ½ć‹ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€č¦é‡ćÆć©ć‚Œćć‚‰ć„ć‹

ć©ć®ć‚ˆć†ćŖå¤‰å‹•ę€§ćŒć‚ć‚‹ć‹

再ć‚Ø惍ē™ŗ電å‡ŗåŠ›ć‚„ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€č¦ć®ę™‚é–“é–“ę¬ ę€§ćØē©ŗ間偏åœØꀧļ¼ˆć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ć®åœ°åŸŸē‰¹ę€§ļ¼‰

ć‚’ęŠŠę”ć™ć‚‹ć“ćØćŒé‡č¦ļ¼Ž

Weekday in December

Page 6: Design of sector-coupled energy systems in Japan

Outline

6

1. 背ę™Æ

2. 地域ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒ‡ćƒ¼ć‚æć®ä½œęˆ

3. ꕰē†č؈ē”»ćƒ¢ćƒ‡ćƒ«ć‚’ē”Ø恄恟ć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ 

恮čØ­č؈äŗ‹ä¾‹

4. ć¾ćØ悁

Page 7: Design of sector-coupled energy systems in Japan

地域ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒ‡ćƒ¼ć‚æć®ä½œęˆā‘ 

7

꜀ēµ‚ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»é‡å†ć‚Øćƒä¾›ēµ¦ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ« ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒćƒ©ćƒ³ć‚¹

0 250 500125km

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[100, 892]

[10, 100)

[1, 10)

[0, 1)

0 250 500125km

[PJ]

[100, 599]

[10, 100)

[1, 10)

[0, 1)

Energy

self-sufficiency

[PJ]

>= 100

< 100

< 50

< 10

< 0

< -10

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< -100

0 250 500125km

Energy

self-sufficiency

[PJ]

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< 100

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< 0

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0 250 500125km

ā‰§100

[PJ]

[100, 890]

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[-596, -50)

ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€č¦éƒØ門 åŸŗē¤Žćƒ‡ćƒ¼ć‚æ ę“»å‹•ļ¼ˆę”ˆåˆ†ļ¼‰ęŒ‡ęؙ éƒØ門内čس

ē”£ę„­éƒØ門ļ¼ˆč£½é€ ę„­ļ¼‰ 都道åŗœēœŒåˆ„ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»ēµ±č؈ č£½é€ å“å‡ŗč·é” ē”£ę„­äø­åˆ†é”ž

ē”£ę„­éƒØ門ļ¼ˆéžč£½é€ ę„­ļ¼‰ 都道åŗœēœŒåˆ„ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»ēµ±č؈ å°±ę„­č€…ę•° ē”£ę„­äø­åˆ†é”ž

ę„­å‹™éƒØ門 都道åŗœēœŒåˆ„ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»ēµ±č؈ å°±ę„­č€…ę•° ē”£ę„­äø­åˆ†é”ž

家åŗ­éƒØ門 都道åŗœēœŒåˆ„ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»ēµ±č؈ äø–åøÆꕰ -

運č¼øéƒØ門 都道åŗœēœŒåˆ„č‡Ŗå‹•č»Šē‡ƒę–™ę¶ˆč²»ēµ±č؈ č‡Ŗå‹•č»Šäæęœ‰å°ę•° ę—…å®¢č‡Ŗå‹•č»Šļ¼Œč²Øē‰©č‡Ŗå‹•č»Š

ā€¢ åø‚åŒŗē”ŗę‘åˆ„å†ē”ŸåÆčƒ½ć‚Øćƒćƒ«ć‚®ćƒ¼ē™ŗé›»ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«ćƒ»ęœ€ēµ‚ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»é‡

再ē”ŸåÆčƒ½ć‚Øćƒćƒ«ć‚®ćƒ¼č³‡ęŗ ęŽØčØˆę‰‹ę³•

å¤Ŗ陽光 REPOSć‚’å¼•ē”Ø

é™øäøŠé¢Ø力 REPOSć®å¹³å‡é¢Øé€Ÿćƒ”ćƒƒć‚·ćƒ„ćƒ‡ćƒ¼ć‚æ悒åŸŗ恫ęŽØč؈

ę“‹äøŠé¢Ø力 REPOSć®å¹³å‡é¢Øé€Ÿćƒ”ćƒƒć‚·ćƒ„ćƒ‡ćƒ¼ć‚æ悒åŸŗ恫ęŽØč؈

地ē†± REPOSć‚’å¼•ē”Ø

äø­å°ę°“力 REPOSć‚’å¼•ē”Ø

ęœØč³Ŗ惐悤ć‚Ŗćƒžć‚¹ ę£®ęž—č³‡ęŗē¾ę³čŖæęŸ»ć®ę£®ęž—ęˆé•·é‡ć‚’åŸŗ恫ęŽØč؈

[1] 小野åÆŗļ¼Œę ¹ęœ¬ļ¼Œäø­ē”°ļ¼Œā€œåø‚åŒŗē”ŗę‘ć®ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ē‰¹ę€§ć‚’č€ƒę…®ć—ćŸåŗƒåŸŸåœć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ ć®čØ­č؈ā€ļ¼Œć‚Øćƒćƒ«ć‚®ćƒ¼ćƒ»č³‡ęŗå­¦ä¼šč«–ꖇ集ļ¼Œ2021

Page 8: Design of sector-coupled energy systems in Japan

地域ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒ‡ćƒ¼ć‚æć®ä½œęˆā‘”

8[1] ę¾å²”ļ¼ŒDelageļ¼Œäø­ē”°ļ¼Œā€œé™øäøŠćƒ»ę“‹äøŠé¢Ø力ćØå¤Ŗ陽光ē™ŗé›»ć®ę™‚é–“å¤‰å‹•ę€§ć‚’č€ƒę…®ć—ćŸćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«ćƒžćƒƒćƒ—ć®ä½œęˆā€ļ¼Œē¬¬40回ć‚Øćƒćƒ«ć‚®ćƒ¼ćƒ»č³‡ęŗå­¦ä¼šē ”ē©¶ē™ŗč”Øä¼šč¬›ę¼”č«–ę–‡é›†ļ¼Œ2021

[2] Delage, Matsuoka, Nakata, ā€œSpatialā€“Temporal Estimation and Analysis of Japan Onshore and Offshore Wind Energy Potentialā€, energies 14(8), 2021

ā€¢ 再ē”ŸåÆčƒ½ć‚Øćƒćƒ«ć‚®ćƒ¼ē™ŗé›»ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«ćƒ»å‡ŗ力変動

å¤Ŗ陽光PVē™ŗ電å‡ŗ力 1ę™‚é–“å€¤[1] é¢Ø力ē™ŗ電å‡ŗ力 1ę™‚é–“å€¤[2]

ē™ŗ電ꊀ蔓

å°Žå…„ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ« å‡ŗ力変動

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č§£åƒåŗ¦åŸŗē¤Žćƒ‡ćƒ¼ć‚æ ęŠ€č”“ä»•ę§˜

å¤Ŗ陽光PV ē’°å¢ƒēœ REPOS

ļ¼ˆL3ć‚·ćƒŠćƒŖć‚Ŗļ¼‰1Ꙃ間 5kmćƒ”ćƒƒć‚·ćƒ„ć®åœ°åŸŸåˆ„å¹³å‡ ćƒ”ć‚½ę•°å€¤äŗˆå ±GPV (ę°—č±”åŗ) å¤‰ę›åŠ¹ēŽ‡ļ¼š20%

é™øäøŠé¢Ø力 ē’°å¢ƒēœ REPOS 1Ꙃ間 5kmćƒ”ćƒƒć‚·ćƒ„ć®åœ°åŸŸåˆ„å¹³å‡ ćƒ”ć‚½ę•°å€¤äŗˆå ±GPV (ę°—č±”åŗ) ćƒćƒ–é«˜ć•ļ¼š75 m

å®šę ¼å‡ŗ力ļ¼š3.2 MW

ę“‹äøŠ ē’°å¢ƒēœ REPOS 1Ꙃ間 5kmćƒ”ćƒƒć‚·ćƒ„ć®åœ°åŸŸåˆ„å¹³å‡ ćƒ”ć‚½ę•°å€¤äŗˆå ±GPV (ę°—č±”åŗ) ćƒćƒ–é«˜ć•ļ¼š100 m

å®šę ¼å‡ŗ力ļ¼š6.4 MW

Page 9: Design of sector-coupled energy systems in Japan

地域ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒ‡ćƒ¼ć‚æć®ä½œęˆā‘¢

9[1] 天野ļ¼Œäø­ē”°ļ¼Œā€œęŗåøÆé›»č©±ä½ē½®ęƒ…å ±ć‚’ē”Ø恄悋V2Gå°Žå…„ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«ć®ęŽØč؈ā€ļ¼Œē¬¬40回ć‚Øćƒćƒ«ć‚®ćƒ¼ćƒ»č³‡ęŗå­¦ä¼šē ”ē©¶ē™ŗč”Øä¼šč¬›ę¼”č«–ę–‡é›†ļ¼Œ2021

ā€¢ V2Gå°Žå…„ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«

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åŸŗē¤Žćƒ‡ćƒ¼ć‚æ č؈ē®—ę”件

15åˆ†å€¤ć‚’åˆčØˆć—ćŸ1ę™‚é–“å€¤ 125mćƒ”ćƒƒć‚·ćƒ„ć‚’åœ°åŸŸåˆ„ć«é›†č؈ č‡Ŗå‹•č»Šęµé‡ļ¼šęµå…„å‡ŗēµŒč·ÆčŖæęŸ»ļ¼ˆęŗåøÆé›»č©±ä½ē½®ęƒ…å ±ļ¼šKDDI Location Dataļ¼‰č‡Ŗå‹•č»Šäæęœ‰å°ę•°ļ¼šč‡Ŗę¤œå”ļ¼Œå…Øč»½č‡Ŗ協

EVę™®åŠēŽ‡ļ¼š100ļ¼…č“„é›»ę± å®¹é‡ļ¼š40kWh/台V2G利ē”ØåÆčƒ½ēŽ‡ļ¼š20%

č‡Ŗå‹•č»Ščµ°č”Œč·é›¢ļ¼ˆ10ęœˆå¹³ę—„ļ¼‰ V2G利ē”ØåÆčƒ½å®¹é‡

Page 10: Design of sector-coupled energy systems in Japan

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Page 11: Design of sector-coupled energy systems in Japan

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ćƒ’ćƒ¼ćƒˆćƒćƒ³ćƒ—ć®åœ°åŸŸåˆ„ę™‚é–“åˆ„COP恮ęŽØč؈[5]

ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»ę©Ÿå™Ø効ēŽ‡ćŠć‚ˆć³åœ°åŸŸåˆ„å°Žå…„ęƔēŽ‡ć®čح定[6,7]

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[1] Esri, ArcGIS Geo Suite č©³ē“°åœ°å›³ 2019幓åŗ¦ē‰ˆ[2] ē©ŗ갗čŖæå’Œćƒ»č”›ē”Ÿå·„学会ļ¼Œéƒ½åø‚ć‚¬ć‚¹ć‚³ćƒ¼ć‚øć‚§ćƒćƒ¬ćƒ¼ć‚·ćƒ§ćƒ³ć®č؈ē”»ćƒ»čØ­č؈ćØ運ē”Ø, 2013

[3] 都åø‚ē’°å¢ƒć‚Øćƒćƒ«ć‚®ćƒ¼å”ä¼šļ¼Œåœ°åŸŸå†·ęš–ęˆæęŠ€č”“ę‰‹å¼•ę›øē¬¬4ē­ļ¼Œ2013

[4] ę°—č±”åŗļ¼Œć‚¢ćƒ”ćƒ€ć‚¹č¦³ęø¬ćƒ‡ćƒ¼ć‚æ, 2019

[5] O. Ruhnau et al., Time series of heat demand and heat pump efficiency for energy system modeling, Scientific data, 2019[6] č³‡ęŗć‚Øćƒćƒ«ć‚®ćƒ¼åŗļ¼Œå¹³ęˆ30幓åŗ¦é›»åŠ›éœ€ēµ¦åƾē­–åŗƒå ±čŖæęŸ»äŗ‹ę„­ļ¼Œ2020

[7] ē’°å¢ƒēœļ¼Œ2017幓åŗ¦å®¶åŗ­éƒØ門恮CO2ꎒå‡ŗå®Ÿę…‹ēµ±č؈čŖæęŸ»ļ¼Œ2018

[8] č³‡ęŗć‚Øćƒćƒ«ć‚®ćƒ¼åŗļ¼Œéƒ½é“åŗœēœŒåˆ„ć‚Øćƒćƒ«ć‚®ćƒ¼ę¶ˆč²»ēµ±č؈ļ¼Œ2019

[9] EDMC, ć‚Øćƒćƒ«ć‚®ćƒ¼ćƒ»ēµŒęøˆēµ±čØˆč¦č¦§ļ¼Œ2021

åœ°åŸŸåˆ„ę™‚é–“åˆ„ę°—ęø©ć®é›†č؈[4]

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Page 12: Design of sector-coupled energy systems in Japan

Outline

12

1. 背ę™Æ

2. 地域ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€ēµ¦ćƒ‡ćƒ¼ć‚æć®ä½œęˆ

3. ꕰē†č؈ē”»ćƒ¢ćƒ‡ćƒ«ć‚’ē”Ø恄恟ć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ ć®čØ­č؈

äŗ‹ä¾‹

4. ć¾ćØ悁

Page 13: Design of sector-coupled energy systems in Japan

ć‚Øćƒćƒ«ć‚®ćƒ¼ć‚·ć‚¹ćƒ†ćƒ ć®ę§‹ęˆ

13[1] N. Nagano et al., ā€œOptimal Design and Analysis of Sector-Coupled Energy System in Northeast Japanā€, energies 14(10), 2021

Page 14: Design of sector-coupled energy systems in Japan

ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€č¦ćØ再ć‚Øćƒćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«

14

150 PJ

Electricity

Space & water heating

Transportation fuel

Industrial fuel

Aomori

Iwate

NiigataFukushima

Akita

Yamagata

Miyagi

155

137

285

111

92

196284

300 PJ

PV

Onshore wind

Offshore wind

Geothermal

Run-of-river

Woody biomass

1710

303699

200197

318258

都道åŗœēœŒåˆ„ć‚Øćƒćƒ«ć‚®ćƒ¼éœ€č¦ 都道åŗœēœŒåˆ„再ē”ŸåÆčƒ½ć‚Øćƒćƒ«ć‚®ćƒ¼ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«

[1] N. Nagano et al., ā€œOptimal Design and Analysis of Sector-Coupled Energy System in Northeast Japanā€, energies 14(10), 2021

Page 15: Design of sector-coupled energy systems in Japan

ę±åŒ—åœ°ę–¹ć®ē†±éœ€č¦ćƒžćƒƒćƒ—ćØ導ē®”ę•·čØ­ć‚³ć‚¹ćƒˆ

15

Heat demand density

[TJ/km2]

20 - 5050 - 120

120 - 300300 -

0 - 20

0

1

2

3

4

5

6

7

8

0 10 20 30 40 50 60 70 80 90 100

Mar

gin

al D

istr

ibuti

on C

apit

al C

ost

[euro

/GJ]

Share of total heat demand [%]

Aomori

Akita

Iwate

Miyagi

Yamagata

Fukushima

Niigata

ā€¢ ę¬§å·žć§ćÆ, 地域ē†±ä¾›ēµ¦ć‚·ć‚¹ćƒ†ćƒ ć®å°Žå…„ćƒćƒ†ćƒ³ć‚·ćƒ£ćƒ«ć®ē›®å®‰ćØ恗恦, 3.0 euro/GJćŒęƒ³å®šć•ć‚Œć¦ć„ć‚‹.

ā€¢ 3.0 euro/GJ悒åŸŗęŗ–ćØ恙悋ćØ, 宮城ēœŒć§ćÆē“„20%, ē§‹ē”°ēœŒć§ćÆē“„10%, å²©ę‰‹ēœŒć§ćÆē“„8%, é’ę£®ēœŒåŠć³ę–°ę½ŸēœŒć§ćÆē“„6%, ē¦å³¶ēœŒć§ćÆē“„4%, 山形ēœŒć§ćÆē“„3%

恮ē†±éœ€č¦ć«åÆ¾ć—ć¦, 地域ē†±ä¾›ēµ¦ć‚·ć‚¹ćƒ†ćƒ ćŒå°Žå…„ć§ćć‚‹č¦‹č¾¼ćæćŒé«˜ć„.

[1] N. Nagano et al., ā€œOptimal Design and Analysis of Sector-Coupled Energy System in Northeast Japanā€, energies 14(10), 2021

Page 16: Design of sector-coupled energy systems in Japan

電力需ēµ¦ćƒćƒ©ćƒ³ć‚¹

16

0

20

40

60

80

100

120

Ele

ctri

city

co

nsu

mp

tio

n [

GW

]

Feb. 13-19

Electricity demand Individual heatingElectricity for BEV For power-to-heatFor electrolysis For DACGrid-to-vehicle For liquefaction of methane

0

20

40

60

80

100

120

Ele

ctri

city

sup

ply

[G

W]

Feb. 13-19

Hydro Geothermal BiomassGas Solar Onshore windOffshore wind Vehicle-to-grid

[1] N. Nagano et al., ā€œOptimal Design and Analysis of Sector-Coupled Energy System in Northeast Japanā€, energies 14(10), 2021

Page 17: Design of sector-coupled energy systems in Japan

ć‚Øćƒćƒ«ć‚®ćƒ¼ćƒ•ćƒ­ćƒ¼

17

Solar

Onshore wind

Offshore wind

Hydro

Geothermal

Run-of-river

Synthesized methane

Biomass

Electricity

Transportation

LTH (Ind.)

LTH (DHS)

Loss

Non-manufacturing

Manufacturing

CHP input

DAC

Electricity

LTH

HydrogenMethane

Methanol

DME

HTH

HP

HP(DHS)

EB(DHS)

V2G

HWT

TPES : 1323.5 PJ/year

72.0

148.0

938.1

46.6

0

0

47.9

118.8

268.4

72.4

198.8

64.4

300.7

37.0

47.9

375.3

140.4

789.1489.2

75.7

446.1

42.7

0.4224.1

68.6

130.2

195.7 146.8

19.9

1.1

29.9

18.3

343.5

92.3

V2G: Vehicle-to-Grid

LTH: Low Temperature Heat

HTH: High Temperature Heat

DME: Dimethyl Ether

HWT: Hot Water Tank

EB: Electric Boiler

HP: Heat Pump

[1] N. Nagano et al., ā€œOptimal Design and Analysis of Sector-Coupled Energy System in Northeast Japanā€, energies 14(10), 2021

Page 18: Design of sector-coupled energy systems in Japan

ć¾ćØ悁

18

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