電気料金の値上がりが厳しい．家庭での節電に役立つかと思い，炊飯器を消費電力の観点から調べてみた．データは価格.comから取った．
概観
メーカーは日立，アイリスオーヤマ，三菱，パナソニック，シャープ，タイガー，東芝，象印である．炊飯量は3合，5.5合，10合が多かった．指標には最大消費電力(W)および炊飯時消費電力量(Wh)を用いた．全体で296件ある．
結果
下表のとおりである．炊飯時消費電力量および炊飯量で昇順ソートしてある．
| Maker | Code | 炊飯量 | 最大消費電力(W) | 炊飯時消費電力量(Wh) |
|---|---|---|---|---|
| HITACHI | RZ-BS2M | 2 | 500 | 140 |
| Tiger | JBS-A055 | 3 | 350 | 90.1 |
| Tiger | JBS-B055 | 3 | 350 | 90.1 |
| ZOJIRUSHI | NL-BE05 | 3 | 495 | 92.4 |
| ZOJIRUSHI | NL-BB05AM | 3 | 495 | 93.7 |
| ZOJIRUSHI | NL-BD05 | 3 | 495 | 93.7 |
| ZOJIRUSHI | NL-BX05-BA | 3 | 495 | 93.9 |
| Tiger | JAI-R551 | 3 | 350 | 94.5 |
| ZOJIRUSHI | NS-NF05 | 3 | 420 | 95.3 |
| ZOJIRUSHI | NS-NH05-WZ | 3 | 420 | 95.3 |
| ZOJIRUSHI | NL-BV05 | 3 | 495 | 97.6 |
| SHARP | KS-CF05C | 3 | 350 | 101.8 |
| SHARP | KS-CF05D | 3 | 350 | 101.8 |
| SHARP | KS-CF05B | 3 | 350 | 103.5 |
| Tiger | JAJ-G550 | 3 | 375 | 110 |
| ZOJIRUSHI | NP-RM05 | 3 | 700 | 111 |
| ZOJIRUSHI | NP-RN05 | 3 | 700 | 111 |
| ZOJIRUSHI | NP-RT05 | 3 | 700 | 111 |
| ZOJIRUSHI | NP-RZ05 | 3 | 700 | 111 |
| IRIS OHYAMA | RC-IA31 | 3 | 800 | 111.3 |
| IRIS OHYAMA | KRC-ME30 | 3 | 475 | 112 |
| IRIS OHYAMA | RC-ME30 | 3 | 475 | 112 |
| IRIS OHYAMA | RC-MEA30 | 3 | 475 | 112 |
| IRIS OHYAMA | RC-SA30 | 3 | 810 | 112.2 |
| IRIS OHYAMA | KRC-MGA30 | 3 | 485 | 113.7 |
| IRIS OHYAMA | RC-MGA30 | 3 | 485 | 113.7 |
| ZOJIRUSHI | NP-GJ05 | 3 | 700 | 115 |
| ZOJIRUSHI | NP-GK05 | 3 | 700 | 115 |
| ZOJIRUSHI | NP-GL05 | 3 | 700 | 115 |
| SHARP | KS-HF05B | 3 | 757 | 117 |
| TOSHIBA | RC-5MFM | 3 | 400 | 120.6 |
| IRIS OHYAMA | RC-IM30 | 3 | 800 | 122.1 |
| IRIS OHYAMA | RC-IH30 | 3 | 725 | 122.8 |
| IRIS OHYAMA | RC-IL30 | 3 | 730 | 123.1 |
| IRIS OHYAMA | KRC-IC30 | 3 | 725 | 125.7 |
| IRIS OHYAMA | KRC-PC30 | 3 | 713 | 125.7 |
| IRIS OHYAMA | RC-PC30 | 3 | 713 | 125.7 |
| IRIS OHYAMA | RC-PH30 | 3 | 713 | 125.7 |
| IRIS OHYAMA | BLRC-IK30 | 3 | 725 | 127.2 |
| IRIS OHYAMA | KRC-IK30 | 3 | 725 | 127.2 |
| IRIS OHYAMA | RC-IK30 | 3 | 725 | 127.2 |
| IRIS OHYAMA | RC-IKA30 | 3 | 725 | 127.2 |
| IRIS OHYAMA | WLRC-IK30 | 3 | 725 | 127.2 |
| Panasonic | SR-JX058 | 3 | 700 | 130 |
| Panasonic | SR-JW058 | 3 | 700 | 131 |
| Tiger | JPF-A550 | 3 | 705 | 134 |
| Tiger | JPF-G055 | 3 | 705 | 134 |
| IRIS OHYAMA | KRC-PD30 | 3 | 713 | 138.5 |
| IRIS OHYAMA | RC-PD30 | 3 | 713 | 138.5 |
| IRIS OHYAMA | RC-PDA30 | 3 | 713 | 138.5 |
| TOSHIBA | RC-5XT | 3 | 500 | 147.7 |
| Tiger | JPJ-G060 | 3.5 | 850 | 104 |
| Tiger | JPD-G060 | 3.5 | 705 | 115 |
| Panasonic | SR-KT060 | 3.5 | 700 | 117 |
| MITSUBISHI | NJ-SEA06 | 3.5 | 710 | 131.5 |
| MITSUBISHI | NJ-SEB06 | 3.5 | 710 | 131.5 |
| MITSUBISHI | NJ-SED06 | 3.5 | 710 | 131.5 |
| MITSUBISHI | NJ-SWB06 | 3.5 | 800 | 132.3 |
| MITSUBISHI | NJ-SWD06 | 3.5 | 800 | 132.3 |
| MITSUBISHI | NJ-SW069 | 3.5 | 800 | 133.2 |
| TOSHIBA | RC-6PXR | 3.5 | 700 | 134.6 |
| TOSHIBA | RC-6XM | 3.5 | 700 | 142.7 |
| ZOJIRUSHI | NW-ES07 | 4 | 1140 | 110 |
| ZOJIRUSHI | NW-US07 | 4 | 1140 | 110 |
| ZOJIRUSHI | NW-MA07 | 4 | 1140 | 111 |
| Panasonic | SR-NA102 | 5 | 1200 | 121 |
| Panasonic | SR-NB102 | 5 | 1200 | 121 |
| Tiger | JBH-G101 | 5.5 | 635 | 140 |
| Tiger | JBH-G102 | 5.5 | 635 | 140 |
| ZOJIRUSHI | NW-PT10 | 5.5 | 1240 | 143 |
| ZOJIRUSHI | NW-PU10 | 5.5 | 1240 | 143 |
| ZOJIRUSHI | NP-ZH10 | 5.5 | 1240 | 144 |
| ZOJIRUSHI | NP-ZT10 | 5.5 | 1240 | 144 |
| ZOJIRUSHI | NP-ZU10 | 5.5 | 1240 | 144 |
| ZOJIRUSHI | NP-ZW10 | 5.5 | 1240 | 144 |
| ZOJIRUSHI | NP-ZX10 | 5.5 | 1240 | 144 |
| HITACHI | RZ-G10EM | 5.5 | 1400 | 145 |
| HITACHI | RZ-H10EJ | 5.5 | 1400 | 145 |
| ZOJIRUSHI | NP-XB10 | 5.5 | 1105 | 145 |
| Tiger | JPH-B102 | 5.5 | 1075 | 146 |
| Tiger | JPH-G100 | 5.5 | 1075 | 146 |
| Tiger | JPH-J100 | 5.5 | 1075 | 146 |
| Tiger | JPH-J10N | 5.5 | 1075 | 146 |
| Tiger | JPH-S100 | 5.5 | 1075 | 146 |
| HITACHI | RZ-AX10M | 5.5 | 1400 | 146.2 |
| Panasonic | SR-FD101 | 5.5 | 1100 | 148 |
| ZOJIRUSHI | NW-CA10 | 5.5 | 1240 | 148 |
| ZOJIRUSHI | NW-JB10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JC10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JE10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JS10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JU10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JW10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JX10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NW-JY10 | 5.5 | 1240 | 149 |
| ZOJIRUSHI | NP-BK10 | 5.5 | 1240 | 150 |
| ZOJIRUSHI | NP-BL10 | 5.5 | 1240 | 150 |
| Panasonic | SR-UNX101 | 5.5 | 1200 | 151 |
| Tiger | JKN-R101 | 5.5 | 1180 | 151 |
| ZOJIRUSHI | NW-FA10 | 5.5 | 1240 | 151 |
| Panasonic | SR-FE101 | 5.5 | 1180 | 152 |
| IRIS OHYAMA | KRC-ME50 | 5.5 | 645 | 152.5 |
| IRIS OHYAMA | RC-ME50 | 5.5 | 645 | 152.5 |
| IRIS OHYAMA | RC-MEA50 | 5.5 | 645 | 152.5 |
| HITACHI | RZ-W100EM | 5.5 | 1400 | 153 |
| HITACHI | RZ-W100FM | 5.5 | 1400 | 153 |
| Panasonic | SR-HBA101 | 5.5 | 1200 | 153 |
| Panasonic | SR-MPW100 | 5.5 | 1210 | 154 |
| Panasonic | SR-MPW101 | 5.5 | 1210 | 154 |
| Panasonic | SR-MPW102 | 5.5 | 1210 | 154 |
| Tiger | JKT-M100 | 5.5 | 1200 | 154 |
| ZOJIRUSHI | NW-LB10 | 5.5 | 1240 | 154 |
| HITACHI | RZ-V100EM | 5.5 | 1400 | 155 |
| HITACHI | RZ-V100FM | 5.5 | 1400 | 155 |
| Panasonic | SR-MPA102 | 5.5 | 1200 | 156 |
| Panasonic | SR-VSX101 | 5.5 | 1210 | 156 |
| ZOJIRUSHI | NW-VB10 | 5.5 | 1105 | 156 |
| ZOJIRUSHI | NW-VC10 | 5.5 | 1105 | 156 |
| ZOJIRUSHI | NW-VD10 | 5.5 | 1105 | 156 |
| ZOJIRUSHI | NW-VH10 | 5.5 | 1105 | 156 |
| ZOJIRUSHI | NW-VS10 | 5.5 | 1105 | 156 |
| IRIS OHYAMA | KRC-IE50 | 5.5 | 1130 | 156.2 |
| Panasonic | SR-MPA101 | 5.5 | 1200 | 158 |
| Tiger | JPL-A100 | 5.5 | 1080 | 159 |
| Tiger | JPL-G100 | 5.5 | 1080 | 159 |
| Tiger | JPL-S100 | 5.5 | 1080 | 159 |
| IRIS OHYAMA | RC-INH50 | 5.5 | 1030 | 159.7 |
| MITSUBISHI | NJ-AW108 | 5.5 | 1380 | 162 |
| Tiger | JKT-L100 | 5.5 | 1200 | 162 |
| ZOJIRUSHI | NL-DS10 | 5.5 | 660 | 162 |
| MITSUBISHI | NJ-BW10F | 5.5 | 1400 | 163.5 |
| ZOJIRUSHI | NL-DA10 | 5.5 | 660 | 164 |
| ZOJIRUSHI | NL-DB10-WA | 5.5 | 660 | 164 |
| IRIS OHYAMA | KRC-IK50 | 5.5 | 1130 | 164.5 |
| IRIS OHYAMA | RC-IK50 | 5.5 | 1130 | 164.5 |
| IRIS OHYAMA | RC-IKA50 | 5.5 | 1130 | 164.5 |
| Panasonic | SR-STS101 | 5.5 | 1210 | 165 |
| IRIS OHYAMA | KRC-IL50-DA | 5.5 | 1130 | 165.6 |
| IRIS OHYAMA | RC-IL50 | 5.5 | 1130 | 165.6 |
| Tiger | JPW-A100 | 5.5 | 1225 | 166 |
| Tiger | JPW-D100 | 5.5 | 1225 | 166 |
| Tiger | JPW-G100 | 5.5 | 1225 | 166 |
| Tiger | JPW-H100 | 5.5 | 1225 | 166 |
| MITSUBISHI | NJ-VEB10 | 5.5 | 1210 | 166.1 |
| IRIS OHYAMA | KRC-IC50 | 5.5 | 1130 | 166.7 |
| MITSUBISHI | NJ-VEC10 | 5.5 | 1210 | 167 |
| MITSUBISHI | NJ-VED10 | 5.5 | 1210 | 167 |
| TOSHIBA | RC-10HR | 5.5 | 1100 | 168 |
| Tiger | JPI-B100 | 5.5 | 1200 | 169 |
| Tiger | JPI-H100 | 5.5 | 1200 | 169 |
| Tiger | JPI-T100 | 5.5 | 1200 | 169 |
| Tiger | JPK-B100 | 5.5 | 1100 | 170 |
| Tiger | JPK-G100 | 5.5 | 1100 | 170 |
| Tiger | JPK-H100 | 5.5 | 1100 | 170 |
| Tiger | JPW-B100 | 5.5 | 1225 | 170 |
| Tiger | JPW-C100 | 5.5 | 1225 | 170 |
| IRIS OHYAMA | RC-IH50 | 5.5 | 1130 | 170.3 |
| Tiger | JPI-A100 | 5.5 | 1200 | 171 |
| Tiger | JPI-S100 | 5.5 | 1200 | 171 |
| SHARP | KS-HF10B | 5.5 | 1130 | 171.3 |
| ZOJIRUSHI | NW-HA10 | 5.5 | 1230 | 172 |
| MITSUBISHI | NJ-XSC10J | 5.5 | 1270 | 172.3 |
| IRIS OHYAMA | RC-PCA50-H | 5.5 | 1130 | 173.7 |
| IRIS OHYAMA | RC-PD50 | 5.5 | 1230 | 174 |
| IRIS OHYAMA | RC-PDA50 | 5.5 | 1230 | 174 |
| Tiger | JPC-G100 | 5.5 | 1200 | 175 |
| ZOJIRUSHI | STAN.NW-SA10 | 5.5 | 1115 | 175 |
| Tiger | JPA-X100 | 5.5 | 1200 | 176 |
| IRIS OHYAMA | KRC-PD50 | 5.5 | 1230 | 176.7 |
| IRIS OHYAMA | RC-PA50 | 5.5 | 1230 | 176.7 |
| MITSUBISHI | NJ-VVB10 | 5.5 | 1260 | 176.7 |
| TOSHIBA | RC-10MSL | 5.5 | 640 | 177.1 |
| MITSUBISHI | NJ-VVC10 | 5.5 | 1260 | 177.5 |
| MITSUBISHI | NJ-VVD10 | 5.5 | 1260 | 177.5 |
| HITACHI | RZ-BS10M | 5.5 | 1200 | 178.2 |
| IRIS OHYAMA | RC-PC50 | 5.5 | 1230 | 178.4 |
| IRIS OHYAMA | RC-PH50 | 5.5 | 1230 | 178.4 |
| IRIS OHYAMA | RC-PJ50 | 5.5 | 1230 | 178.4 |
| HITACHI | RZ-X100DM | 5.5 | 1400 | 180 |
| Tiger | JPV-A100 | 5.5 | 1100 | 180 |
| MITSUBISHI | NJ-VA107 | 5.5 | 1270 | 180.2 |
| HITACHI | RZ-V100DM | 5.5 | 1400 | 181 |
| HITACHI | RZ-W100CM | 5.5 | 1400 | 181 |
| HITACHI | RZ-W100DM | 5.5 | 1400 | 181 |
| Tiger | JPK-S100 | 5.5 | 1110 | 181 |
| Tiger | JPK-T100 | 5.5 | 1110 | 181 |
| Tiger | JPV-B100 | 5.5 | 1100 | 181 |
| Tiger | JPV-C100 | 5.5 | 1100 | 181 |
| TOSHIBA | RC-10VRR | 5.5 | 1420 | 182.3 |
| TOSHIBA | RC-10VRT | 5.5 | 1420 | 183.4 |
| TOSHIBA | RC-10VRP | 5.5 | 1250 | 183.8 |
| TOSHIBA | RC-10ZWP | 5.5 | 1420 | 183.8 |
| IRIS OHYAMA | RC-IF50 | 5.5 | 1240 | 184.1 |
| TOSHIBA | RC-10ZWT | 5.5 | 1420 | 185.2 |
| SHARP | KS-S10J | 5.5 | 640 | 185.5 |
| TOSHIBA | RC-10VRV | 5.5 | 1420 | 186.9 |
| IRIS OHYAMA | RC-ICA50-H | 5.5 | 1130 | 187.1 |
| TOSHIBA | RC-10HK | 5.5 | 1100 | 188 |
| MITSUBISHI | NJ-VXC10 | 5.5 | 1280 | 188.8 |
| MITSUBISHI | NJ-VXD10 | 5.5 | 1280 | 188.8 |
| TOSHIBA | RC-10VSP | 5.5 | 1250 | 189.8 |
| TOSHIBA | RC-10VST | 5.5 | 1420 | 189.8 |
| MITSUBISHI | NJ-VWB10 | 5.5 | 1380 | 190.8 |
| MITSUBISHI | NJ-VXB10 | 5.5 | 1280 | 190.8 |
| MITSUBISHI | NJ-VW108 | 5.5 | 1360 | 191.4 |
| MITSUBISHI | NJ-VWC10 | 5.5 | 1380 | 192.1 |
| MITSUBISHI | NJ-VWD10 | 5.5 | 1380 | 192.1 |
| TOSHIBA | RC-10ZWV | 5.5 | 1420 | 192.1 |
| TOSHIBA | RC-10VSV | 5.5 | 1420 | 192.8 |
| TOSHIBA | RC-10ZWM | 5.5 | 1420 | 195 |
| TOSHIBA | RC-10VXP | 5.5 | 1420 | 195.3 |
| TOSHIBA | RC-10VXR | 5.5 | 1420 | 197.7 |
| TOSHIBA | RC-10VXT | 5.5 | 1420 | 197.7 |
| TOSHIBA | RC-10VXV | 5.5 | 1420 | 197.7 |
| MITSUBISHI | NJ-BWD10 | 5.5 | 1400 | 198.1 |
| HITACHI | RZ-BC10M | 5.5 | 1200 | 200 |
| MITSUBISHI | NJ-AWB10 | 5.5 | 1400 | 202.5 |
| TOSHIBA | RC-10VSN | 5.5 | 1250 | 207.3 |
| TOSHIBA | RC-10VPN | 5.5 | 1420 | 209.1 |
| ZOJIRUSHI | NW-FA18 | 10 | 1370 | 181 |
| ZOJIRUSHI | NW-CA18 | 10 | 1370 | 184 |
| ZOJIRUSHI | NW-LB18 | 10 | 1370 | 184 |
| ZOJIRUSHI | NW-PS18 | 10 | 1370 | 185 |
| ZOJIRUSHI | NW-PT18 | 10 | 1370 | 185 |
| ZOJIRUSHI | NW-PU18 | 10 | 1370 | 185 |
| ZOJIRUSHI | NP-BK18 | 10 | 1370 | 189 |
| ZOJIRUSHI | NP-BL18 | 10 | 1370 | 189 |
| ZOJIRUSHI | NP-XZ18 | 10 | 1370 | 190 |
| ZOJIRUSHI | NP-ZT18 | 10 | 1370 | 190 |
| ZOJIRUSHI | NP-ZU18 | 10 | 1370 | 190 |
| ZOJIRUSHI | NP-ZW18 | 10 | 1370 | 190 |
| ZOJIRUSHI | NW-JC18 | 10 | 1370 | 192 |
| ZOJIRUSHI | NW-JE18 | 10 | 1370 | 192 |
| ZOJIRUSHI | NW-JW18 | 10 | 1370 | 192 |
| ZOJIRUSHI | NW-JX18 | 10 | 1370 | 192 |
| ZOJIRUSHI | NW-JY18 | 10 | 1370 | 192 |
| Tiger | JBH-G181 | 10 | 895 | 197 |
| Tiger | JBH-G182 | 10 | 895 | 197 |
| IRIS OHYAMA | KRC-ME10 | 10 | 895 | 197.6 |
| IRIS OHYAMA | RC-ME10 | 10 | 895 | 197.6 |
| ZOJIRUSHI | NP-XB18 | 10 | 1295 | 198 |
| ZOJIRUSHI | NL-DS18 | 10 | 900 | 215 |
| ZOJIRUSHI | NW-VB18 | 10 | 1295 | 215 |
| ZOJIRUSHI | NW-VC18 | 10 | 1295 | 215 |
| ZOJIRUSHI | NW-VD18 | 10 | 1295 | 215 |
| Panasonic | SR-MPW181 | 10 | 1400 | 216 |
| Panasonic | SR-MPW182 | 10 | 1400 | 216 |
| Panasonic | SR-MPA180 | 10 | 1400 | 217 |
| Panasonic | SR-MPA181 | 10 | 1400 | 217 |
| Panasonic | SR-MPA182 | 10 | 1400 | 217 |
| Panasonic | SR-VSX181 | 10 | 1400 | 217 |
| ZOJIRUSHI | NL-DB18-WA | 10 | 900 | 217 |
| Tiger | JPW-C180 | 10 | 1375 | 223 |
| ZOJIRUSHI | NW-HA18 | 10 | 1350 | 223 |
| HITACHI | RZ-G18EM | 10 | 1400 | 225 |
| Tiger | JPW-A180 | 10 | 1375 | 225 |
| Tiger | JPW-D180 | 10 | 1375 | 225 |
| Tiger | JPW-G180 | 10 | 1375 | 225 |
| Tiger | JPW-H180 | 10 | 1375 | 225 |
| MITSUBISHI | NJ-VEC18 | 10 | 1315 | 226.3 |
| MITSUBISHI | NJ-VED18 | 10 | 1315 | 226.3 |
| IRIS OHYAMA | RC-MC10 | 10 | 895 | 228.7 |
| Panasonic | SR-STS181 | 10 | 1400 | 230 |
| Tiger | JPI-B180 | 10 | 1350 | 230 |
| Tiger | JPI-H180 | 10 | 1350 | 230 |
| Tiger | JPI-T180 | 10 | 1350 | 230 |
| Tiger | JPK-H180 | 10 | 1210 | 232 |
| Tiger | JPV-A180 | 10 | 1210 | 235 |
| IRIS OHYAMA | KRC-IK10 | 10 | 1400 | 235.4 |
| IRIS OHYAMA | RC-IK10 | 10 | 1400 | 235.4 |
| Tiger | JPV-B180 | 10 | 1210 | 236 |
| Tiger | JPV-C180 | 10 | 1210 | 236 |
| Tiger | JPI-A180 | 10 | 1350 | 237 |
| Tiger | JPI-G180 | 10 | 1350 | 237 |
| Tiger | JPI-S180 | 10 | 1350 | 237 |
| Tiger | JPS-A180 | 10 | 1350 | 237 |
| TOSHIBA | RC-18MSL | 10 | 895 | 237 |
| MITSUBISHI | NJ-VV188 | 10 | 1350 | 242.4 |
| IRIS OHYAMA | KRC-PD10 | 10 | 142.5 | 243.8 |
| IRIS OHYAMA | RC-PD10 | 10 | 142.5 | 243.8 |
| MITSUBISHI | NJ-VVC18 | 10 | 1365 | 244.1 |
| MITSUBISHI | NJ-VVD18 | 10 | 1365 | 244.1 |
| IRIS OHYAMA | RC-PA10 | 10 | 1400 | 245 |
| TOSHIBA | RC-18VRT | 10 | 1420 | 248.2 |
| TOSHIBA | RC-18VRR | 10 | 1420 | 249.2 |
| TOSHIBA | RC-18VRP | 10 | 1400 | 249.6 |
| TOSHIBA | RC-18VSP | 10 | 1400 | 258.3 |
| TOSHIBA | RC-18VSR | 10 | 1420 | 258.3 |
| TOSHIBA | RC-18VST | 10 | 1420 | 258.3 |
| TOSHIBA | RC-18VRV | 10 | 1420 | 259.3 |
| TOSHIBA | RC-18VSV | 10 | 1420 | 261 |
| TOSHIBA | RC-18VXP | 10 | 1420 | 263.1 |
| TOSHIBA | RC-18VXT | 10 | 1420 | 265.6 |
| TOSHIBA | RC-18VXV | 10 | 1420 | 265.6 |
| TOSHIBA | RC-18VRL | 10 | 1400 | 269.4 |
| TOSHIBA | RC-18VSN | 10 | 1400 | 273.9 |