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小型・高効率太陽光発電・蓄電システム
従来型システム 屋根地据え置き型
|
小型・高効率太陽光発電・蓄電システム by DIY(自作) |
従来型システム 屋根地据え置き型 by 業者 |
||
パネル |
発電出力 |
400 Wh |
4000 Wh (4 kWh) |
|
価格 |
10万円 |
200万円 |
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サイズ |
縦1.1m 横2.5m |
? |
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蓄電池 |
蓄電量 |
1,000Wh |
10,000Wh (10 kWh) |
|
価格 |
12万円 |
300万円 |
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付帯設備工事 |
設置 |
DIY(自作) 太陽光追尾装置、架設台 |
架設台(購入代金に含まれる) |
|
代金 |
10万円 |
業者 (購入代金に含まれる) |
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電気工事 |
配線 |
DIY(自作)蓄電池→電気製品 |
電気事業者(購入代金に含まれる) |
|
代金 |
1万円 |
|
||
商用電源切替装置 |
DIY(自作)、 3か所 3万円 |
業者(購入代金に含まれる) |
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発電・蓄電状態監視 |
Wifi スマホ |
? |
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|
|
|
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発電効率(年間平均) |
60~70% |
30% |
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発電量/月 |
80~100kWh/月 |
300~350kWh/月 |
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使用可能電気製品 |
エアコン、他 |
エアコン、他 |
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|
|
|
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売電、売電料(年間) |
なし |
あり 、?約60,000円/年 FIT単価 16円/kW、2024年度 |
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自己消費 |
100% |
? |
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節約電気料(月平均) |
金額 |
4,000~5,000円/月 |
10,000円/月 |
|
割合 |
30~50% |
100% |
||
|
|
|
||
ワークショップ料 |
10~15万円/回 |
なし |
||
|
|
|
||
投資金額合計 |
45~50万円 |
450~500万円 |
||
投資金額回収年 |
8年 |
20~25年(?) |
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内容は予告なく変更することがあります。
Comparison of compact, high-efficiency photovoltaic power generation and storage systems with conventional systems
|
Compact, high-efficiency solar power generation and storage system by DIY (self-made) |
Conventional Roof-top system by contractor |
||
Solar panel |
Power output |
400 Wh |
4000 Wh (4 kWh) |
|
Price |
0.1 million yen |
2 million yen |
||
Size |
Vertical 1.1m, horizontal 2.5m |
? |
||
Storage battery |
Power stored |
1,000Wh |
10,000Wh (10 kWh) |
|
Price |
0.12 million yen |
3 million yen |
||
Ancillary equipment |
Installation work |
DIY Solar tracking device and its mounting stand |
By contractor |
|
Price |
0.1 million yen |
By contractor |
||
Electrical work |
Wiring |
DIY Battery → electric appliances |
By contractor |
|
Price |
0.01 million yen |
|
||
Switching device to commercial power supply |
DIY、3 places 0.03 million yen |
By contractor |
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Power generation and storage condition monitoring |
Wifi スマホ |
? |
||
|
|
|
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Power generation efficiency (annual average) |
60~70% |
30% |
||
Power generation / month |
80~100kWh / month |
300~350kWh / month |
||
Available electric appliances |
Air conditioner, others |
Air conditioner, others |
||
|
|
|
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Amount of electricity sales income (annual) |
なし |
0.06 million yen / year FIT 16 yen / kW in 2024 |
||
Self-consumption of power |
100% |
? |
||
Electricity savings (monthly average) |
Amount |
4,000~5,000 yen / month |
10,000円 yen / month |
|
Percentage |
30~50% |
100% |
||
|
|
|
||
Workshop fee |
0.1~0.15 million yen |
Not needed |
||
|
|
|
||
Total investment amount |
0.45~0.5 million yen |
4.5~5 million yen |
||
Years required to recover investment amount |
8 years |
20~25 years(?) |
||
Contents are subject to change without notice.
Go back to Solar Power Generation Page
Go to Generation & Consumption Data Page
Go to Workshop for DIY work