MacroDataHub

Japan Electricity Retail Market

Monthly statistics of Japan's liberalized electricity retail market from the Electricity and Gas Market Surveillance Commission: power sold, sales revenue, number of contracts by supplier type and voltage, and supplier switching.

Source: Electricity and Gas Market Surveillance Commission (EGC) – Electricity Trading ReportLast updated: Curated by Bui Thanh Phuc

Loading chart data…
Indicator07-202606-202605-202604-202603-202602-202601-202612-202511-202510-202509-202508-202507-202506-202505-202504-202503-202502-202501-202512-202411-202410-202409-202408-202407-202406-202405-202404-202403-202402-202401-202412-202311-202310-202309-202308-202307-2023
Electricity retail sales volume2
Total268,041.2259,130.157,586.5861,457.467,263.1474,229.7577,389.0764,859.6260,112.0964,435.7475,439.6878,692.9773,892.6860,105.0857,917.6962,571.4770,196.2774,499.1677,857.3164,796.9459,832.8565,508.3475,609.0479,425.7269,700.1859,749.9358,175.1762,626.6170,235.4172,437.3174,262.5565,428.4659,034.1863,150.0475,113.0877,034.3768,802.05
By voltage4
Extra-high voltage20,612.6918,945.9117,804.217,022.8717,936.916,557.6517,588.0417,306.3917,226.318,601.0819,458.3919,459.0420,945.1218,999.5317,816.6117,074.5117,521.7616,692.6317,306.1717,274.717,472.6818,840.6719,593.3419,533.6920,602.6918,762.1417,969.1317,064.8817,986.8116,998.5216,997.1117,422.0417,377.6218,246.5619,420.219,301.8919,915.42
High voltage25,973.8922,453.2420,350.9621,376.4722,591.3724,32424,537.9122,871.4221,759.424,230.1927,842.5728,553.4427,823.3122,881.1120,406.2321,747.1623,174.4824,692.5724,510.523,108.0522,024.6824,626.4927,787.4728,734.7726,679.6122,495.2120,697.6221,790.9823,439.8824,354.6323,930.8923,031.2421,807.823,724.9827,733.2628,627.7226,035.47
Low voltage221,454.6417,730.9519,431.4223,058.0626,734.8733,348.1135,263.1224,681.8121,126.3921,604.4828,138.7230,680.4825,124.2418,224.4419,694.8523,749.8129,500.0333,113.9736,040.6524,414.1920,335.522,041.1828,228.2331,157.2622,417.8818,492.5819,508.4323,770.7528,808.7131,084.1633,334.5524,975.1819,848.7621,178.4927,959.6129,104.7722,851.17
Lighting (households)18,897.4615,627.8817,356.2620,842.8124,231.9530,147.0531,991.522,351.7918,974.8218,968.2624,719.3326,931.7322,007.9816,123.3617,586.6521,410.7226,652.3929,956.1132,677.822,104.5918,225.319,407.1924,840.3427,377.0619,664.2516,276.9617,387.821,378.2825,993.5428,071.6330,146.4522,553.6517,822.5518,646.1224,483.2825,445.2219,965.54
Power (small businesses)2,557.182,103.082,075.162,215.252,502.923,201.063,271.622,330.022,151.572,636.223,419.393,748.753,116.262,101.082,108.192,339.092,847.643,157.863,362.842,309.62,110.22,633.993,387.893,780.22,753.632,215.622,120.622,392.462,815.173,012.533,188.092,421.532,026.222,532.373,476.333,659.552,885.63
Other demand136.76113.24119.09120.04111.08104.96118.06101.6899.84106.46117.86123.99127.64107.22105.28107.99111.97109.54103.398.2893.6104.05122.38120.41111.1493.911,322.021,340.9983.0980.383.7979.4976.7681.2996.38101.7296.13
By type of retailer2
Former regional utilities (incumbent retailers)351,723.6745,601.6644,678.0247,797.3952,561.7457,536.5160,100.8950,521.7247,329.4350,707.7458,398.1460,614.0357,234.5847,286.8746,202.0649,857.8356,309.3959,135.8462,083.0751,764.5648,454.552,938.560,213.3162,943.8455,832.648,760.5647,803.4351,661.8358,062.2359,604.0161,234.0554,324.1549,567.4553,061.3662,199.8363,562.2557,418.48
Extra-high voltage18,051.0616,667.3115,616.514,905.2315,936.2514,738.0215,675.8915,440.1815,314.5916,534.5917,334.2417,155.7418,459.9816,744.615,793.4515,168.9315,866.6315,039.6115,62715,618.5615,779.6716,999.7217,689.9817,608.3818,658.4617,051.4116,365.6115,557.2516,976.8916,031.5216,069.2316,469.8416,414.2717,306.5118,392.3818,313.7918,905.82
High voltage18,466.4916,253.0114,736.3815,812.2216,864.9718,307.8718,200.4617,052.5116,489.7818,462.2620,988.821,395.9520,634.417,156.3615,478.1716,727.4718,084.7919,158.6318,930.1917,863.3617,334.1819,543.921,891.922,596.7720,796.3517,836.0816,511.1717,798.1819,168.8320,020.0719,590.4918,90918,089.9419,903.9823,226.4423,922.7821,616.93
Low voltage15,206.1312,681.3414,325.1417,079.9419,760.5224,490.6226,224.5418,029.0315,525.0615,710.8920,075.122,062.3418,140.2113,385.9114,930.4517,961.4322,357.9824,937.6127,525.8918,282.6315,340.6516,394.8920,631.4422,738.6916,377.7813,873.0614,926.6418,306.421,916.5123,552.4225,574.3318,945.3215,063.2515,850.8720,58121,325.6816,895.73
New entrant retailers316,317.5513,528.4412,908.5613,660.0114,701.4116,693.2417,288.1814,337.912,782.6613,72817,041.5418,078.9416,658.0912,818.2111,715.6212,713.6513,886.8815,363.3215,774.2413,032.3811,378.3512,569.8415,395.7216,481.8813,867.5810,989.3710,371.7510,964.7812,173.1812,833.313,028.5111,104.319,466.7310,088.6812,913.2513,472.1311,383.57
Extra-high voltage2,561.632,278.62,187.72,117.642,000.651,819.631,912.151,866.211,911.712,066.492,124.152,303.292,485.142,254.932,023.161,905.581,655.131,653.021,679.171,656.141,693.011,840.961,903.361,925.31,944.221,710.731,603.511,507.631,009.93966.99927.88952.2963.35940.051,027.82988.091,009.59
High voltage7,507.416,200.235,614.585,564.255,726.46,016.136,337.465,818.95,269.615,767.936,853.767,157.57,188.915,724.754,928.065,019.695,089.695,533.945,580.325,244.684,690.495,082.595,895.576,138.015,883.264,659.124,186.453,992.84,271.054,334.564,340.44,122.243,717.863,8214,506.824,704.944,418.54
Low voltage6,248.515,049.615,106.285,978.126,974.358,857.499,038.586,652.785,601.335,893.598,063.638,618.156,984.044,838.534,764.395,788.387,142.058,176.368,514.766,131.564,994.855,646.297,596.798,418.576,040.14,619.514,581.785,464.356,892.27,531.747,760.226,029.864,785.525,327.637,378.617,779.095,955.44
By supply area10
Hokkaido22,076.081,866.832,076.662,218.772,495.92,662.793,073.092,552.142,236.052,012.912,050.442,326.712,225.931,862.812,089.622,254.972,566.72,570.793,022.22,548.362,208.951,953.852,074.372,269.162,100.341,879.712,056.62,204.882,647.962,669.273,031.262,533.632,139.461,988.172,151.242,273.572,082.48
Former regional utilities (incumbent retailers)1,605.411,454.41,617.431,742.21,980.172,130.12,457.082,020.861,751.691,572.81,593.341,791.631,727.781,468.911,656.451,807.522,124.792,116.952,496.042,097.271,794.181,590.151,669.021,828.731,706.741,544.631,688.381,837.462,243.232,265.752,576.352,143.611,790.281,664.031,790.781,890.571,745.96
New entrant retailers470.67412.43459.23476.57515.73532.69616.01531.28484.37440.1457.1535.08498.15393.9433.17447.45441.91453.84526.16451.09414.77363.7405.35440.43393.6335.08368.21367.42404.73403.52454.91390.02349.19324.15360.46383336.51
Tohoku25,919.455,225.95,318.865,881.446,548.187,187.487,660.156,322.895,582.875,441.56,018.316,579.256,337.185,295.85,405.465,8746,761.447,085.857,681.286,388.455,561.955,570.026,099.726,461.75,923.075,408.875,360.675,873.836,848.786,827.177,249.746,439.835,587.715,427.116,537.456,762.255,969.85
Former regional utilities (incumbent retailers)4,658.084,161.544,252.444,644.155,148.795,706.946,014.34,915.454,340.774,245.634,694.115,124.224,894.844,169.344,314.584,727.125,557.015,776.976,314.135,166.734,554.794,588.175,046.055,316.774,890.914,540.064,534.825,036.875,942.965,941.926,303.015,592.754,872.884,782.515,742.255,884.365,229.37
New entrant retailers1,261.371,064.361,066.421,237.291,399.391,480.541,645.851,407.441,242.111,195.871,324.21,455.031,442.341,126.451,090.881,146.881,204.431,308.881,367.151,221.721,007.16981.851,053.671,144.931,032.16868.81825.85836.96905.82885.26946.73847.08714.84644.59795.2877.9740.48
Tokyo221,858.7819,310.4718,184.2319,55521,461.5424,455.7324,209.0321,231.5319,192.5420,381.8725,484.8326,030.7724,407.6819,582.1918,285.4420,306.9622,178.7724,009.0524,065.4320,740.4218,898.0820,980.2925,112.0626,403.9123,222.3619,413.0718,351.2420,247.5422,560.7223,722.9623,068.5220,600.8318,604.0820,426.0925,145.9725,696.3322,708.99
Former regional utilities (incumbent retailers)14,255.5312,710.7212,069.3812,940.8714,499.116,222.4116,235.1114,359.5313,139.9713,903.1316,975.0817,270.2116,377.813,264.7512,620.1513,913.3715,518.816,579.8116,750.4414,577.5813,529.5714,934.2317,556.2518,413.616,483.7714,033.513,360.9614,731.2916,486.6517,12216,801.8415,16513,917.5915,244.8318,463.218,909.1817,095.49
New entrant retailers7,603.256,599.756,114.856,614.136,962.448,233.327,973.916,871.996,052.576,478.748,509.758,760.578,029.886,317.435,665.296,393.66,659.977,429.247,314.986,162.845,368.516,046.067,555.817,990.316,738.595,379.584,990.285,516.256,074.076,600.966,266.685,435.824,686.495,181.276,682.786,787.155,613.5
Chubu210,611.159,153.98,899.199,515.7510,242.3511,018.8111,559.559,606.289,273.0110,158.3111,557.7811,816.2311,235.819,448.748,904.439,515.2910,687.3711,207.7411,586.919,696.519,282.4110,238.811,545.2211,828.6410,719.999,308.818,938.959,637.9610,576.610,837.4910,982.849,855.329,255.99,838.4711,384.8911,383.3810,626.05
Former regional utilities (incumbent retailers)8,811.917,775.227,577.088,171.288,826.899,421.979,760.948,226.688,054.298,812.249,910.0810,011.359,592.798,230.477,820.258,362.59,280.679,642.079,937.648,331.468,142.158,997.639,983.6710,125.529,247.588,190.577,899.618,549.619,263.239,498.479,547.478,644.888,242.638,789.2310,032.629,941.59,321.72
New entrant retailers1,799.241,378.681,322.121,344.471,415.461,596.831,798.611,379.61,218.721,346.071,647.71,804.881,643.021,218.271,084.181,152.791,406.71,565.671,649.271,365.061,140.261,241.181,561.551,703.121,472.41,118.241,039.341,088.351,313.371,339.021,435.381,210.441,013.271,049.241,352.271,441.871,304.33
Hokuriku22,192.341,896.771,837.51,987.852,258.452,484.882,643.232,162.021,909.251,939.392,208.522,302.382,320.51,952.271,867.062,023.942,375.762,499.292,638.82,279.451,906.981,972.552,240.512,300.62,206.21,923.051,850.92,033.612,382.412,371.932,451.842,242.221,949.871,919.872,288.32,398.952,180.81
Former regional utilities (incumbent retailers)1,949.481,697.661,651.331,793.462,031.652,238.172,373.641,937.771,711.941,733.341,970.992,051.782,067.921,748.981,679.941,832.752,171.922,271.552,403.72,068.371,731.141,792.582,032.122,082.72,000.661,758.321,697.441,878.82,230.362,218.622,288.932,099.481,828.891,803.662,138.352,238.732,036.63
New entrant retailers242.86199.11186.18194.39226.8246.71269.59224.24197.31206.04237.53250.6252.58203.29187.12191.19203.85227.74235.11211.08175.85179.97208.39217.9205.54164.73153.46154.8152.05153.32162.91142.74120.98116.21149.95160.22144.18
Kansai211,016.769,544.369,338.979,809.5210,860.2711,934.9312,494.2910,090.49,542.8310,549.2612,561.7213,477.5212,244.139,689.279,479.999,835.3711,409.5911,942.1912,720.2210,127.679,630.0310,889.6912,648.0513,452.5611,207.989,626.529,592.139,958.1911,321.8511,734.8512,205.9210,444.769,437.2210,395.712,573.7812,717.911,271.16
Former regional utilities (incumbent retailers)8,741.37,716.127,541.457,951.178,810.619,603.0510,034.328,234.937,865.018,679.9310,200.7910,846.269,956.138,023.047,920.598,188.399,409.949,766.510,368.058,416.618,089.99,082.5710,387.0410,977.179,338.988,158.28,140.828,453.189,531.329,854.3110,167.458,865.478,114.218,939.0410,611.9910,655.989,571.95
New entrant retailers2,275.461,828.241,797.521,858.342,049.662,331.872,459.971,855.471,677.821,869.342,360.932,631.262,2881,666.231,559.41,646.981,999.652,175.692,352.171,711.061,540.131,807.122,261.022,475.381,8691,468.321,451.311,5051,790.541,880.542,038.471,579.291,3231,456.661,961.792,061.921,699.22
Chugoku24,488.423,927.153,799.974,193.074,528.434,948.685,187.964,294.194,032.564,331.474,928.535,059.44,688.943,972.913,829.514,156.454,750.035,139.255,254.884,355.223,974.24,366.475,019.485,112.134,485.623,9343,915.034,256.224,684.454,891.985,022.974,397.143,939.764,233.994,873.264,925.254,452.46
Former regional utilities (incumbent retailers)3,865.483,435.93,327.623,701.754,020.794,373.514,572.73,789.773,560.953,818.194,299.244,398.714,070.473,496.713,393.293,678.134,082.554,370.114,471.133,689.813,352.43,695.414,192.414,270.233,724.53,308.973,324.53,687.944,168.444,343.884,449.23,898.13,540.513,824.864,367.324,392.473,973.09
New entrant retailers622.94491.25472.35491.33507.64575.17615.25504.41471.61513.28629.3660.7618.48476.2436.23478.33667.49769.14783.75665.41621.79671.06827.07841.9761.12625.03590.53568.28516.01548.09573.77499.05399.25409.13505.94532.79479.37
Shikoku22,133.441,736.031,718.781,780.792,005.732,055.362,329.191,889.051,707.291,945.392,200.122,345.252,256.381,812.861,751.431,822.632,119.432,159.22,409.761,939.021,748.341,970.742,225.382,463.662,169.641,764.361,788.741,837.922,123.982,098.172,292.362,000.841,770.461,871.652,164.762,314.692,100.29
Former regional utilities (incumbent retailers)1,861.631,530.961,523.271,579.731,774.361,812.722,053.371,672.841,519.31,722.931,937.012,061.461,993.71,618.661,573.531,637.061,890.811,916.252,143.031,717.881,558.851,754.661,960.852,167.781,917.691,577.771,607.681,657.551,912.591,889.62,062.111,804.081,605.381,696.391,941.692,069.451,886.35
New entrant retailers271.8205.07195.5201.06231.37242.64275.82216.21187.99222.47263.12283.79262.68194.2177.9185.58228.63242.95266.73221.14189.49216.08264.53295.88251.96186.58181.06180.37211.39208.57230.25196.76165.08175.27223.07245.24213.95
Kyushu27,030.15,881.575,857.776,021.996,415.117,010.517,706.266,209.935,979.426,903.87,642.727,963.567,434.365,882.995,772.696,292.356,871.787,402.167,946.76,200.055,964.486,868.67,844.078,287.376,947.245,888.825,759.836,073.926,609.256,816.467,433.926,423.395,789.246,345.297,294.627,801.16,691.86
Former regional utilities (incumbent retailers)5,374.814,620.454,643.764,851.145,087.215,620.786,144.234,930.14,807.125,538.156,120.836,357.675,897.634,735.54,756.725,276.735,853.626,263.896,724.885,232.365,114.335,887.516,675.597,013.045,892.365,114.765,052.585,382.075,856.246,052.566,567.995,671.615,151.785,688.756,495.496,895.735,920.45
New entrant retailers1,655.291,261.121,214.021,170.861,327.911,389.731,562.041,279.841,172.311,365.651,521.891,605.891,536.731,147.51,015.971,015.631,018.161,138.271,221.83967.68850.15981.091,168.491,274.331,054.88774.05707.25691.85753.02763.9865.93751.78637.46656.54799.13905.36771.41
Okinawa2714.71587.12554.63493.21447.18470.59526.33501.19656.26771.84786.72791.89741.76605.22532.05489.51475.4483.65531.13521.78657.44697.33800.17846717.73602.72561.08502.54479.41467.02523.19490.5560.49703.7698.8760.95718.09
Former regional utilities (incumbent retailers)600.04498.7474.26421.64382.17406.86455.2433.79578.41681.4696.69700.75655.54530.5466.55434.28419.29431.75474.04466.49587.2615.6710.32748.29629.39533.78496.64447.05427.23416.91469.7439.17503.31628.09616.15684.28637.47
New entrant retailers114.6788.4280.3771.5665.0163.7371.1367.4177.8590.4490.0391.1486.2374.7365.555.2356.1151.957.0955.2970.2481.7489.8597.7188.3468.9464.4455.4952.1850.1153.4951.3357.1875.6182.6676.6780.62
Electricity retail sales revenue2
Total215,878.0113,668.1213,288.3813,674.9413,530.2914,839.3117,173.3414,450.9313,437.2213,688.9216,039.9516,981.0716,517.4513,636.8313,593.4914,408.215,605.9316,650.5418,506.4115,530.8313,636.7814,251.3816,351.9818,73916,191.7513,427.8512,820.513,868.7415,587.8216,038.9816,445.3714,500.0813,170.1214,066.8115,857.6816,728.8915,544.64
By voltage3
Extra-high voltage3,798.033,382.063,106.022,989.652,973.642,762.622,940.662,919.082,891.313,081.513,290.013,346.333,597.813,284.833,146.643,081.653,128.833,052.373,171.93,215.743,233.013,381.083,527.543,510.223,703.313,329.073,230.193,138.093,310.873,150.253,140.783,209.493,199.633,325.563,693.053,810.394,127.88
High voltage5,910.335,098.394,635.144,568.044,274.274,473.225,013.244,791.474,639.44,873.775,490.495,684.925,875.864,974.944,617.834,781.764,877.95,173.745,453.155,296.274,852.125,138.025,633.426,289.885,902.194,878.684,433.064,651.724,963.065,088.625,027.994,917.724,731.995,093.135,541.735,877.555,647.66
Low voltage26,169.665,187.665,547.226,117.256,282.387,603.469,219.446,740.385,906.55,733.637,259.447,949.817,043.785,377.065,829.026,544.787,599.198,424.439,881.367,018.825,551.655,732.297,191.028,938.896,586.265,220.095,157.266,078.947,313.897,800.118,276.66,372.865,238.495,648.116,622.917,040.955,769.09
Lighting (households)5,353.834,466.094,832.975,405.665,597.336,835.048,310.125,985.545,183.974,961.476,362.76,988.346,135.694,650.565,097.445,788.586,790.627,558.718,918.446,233.274,849.564,970.026,307.457,865.325,713.954,496.464,478.025,355.886,524.856,984.087,436.075,645.524,569.224,884.975,797.816,177.415,004.23
Power (small businesses)815.83721.57714.25711.59685.04768.42909.32754.83722.53772.16896.75961.48908.09726.5731.59756.21808.57865.73962.91785.55702.09762.27883.581,073.57872.3723.63679.24723.06789.04816.04840.54727.35669.28763.14825.1863.54764.86
By type of retailer2
Former regional utilities (incumbent retailers)311,688.2910,170.389,967.3810,253.8510,181.2311,113.3313,075.0410,977.7210,292.910,422.4612,035.8812,746.9512,49610,510.4810,578.0311,203.3412,128.1212,747.0314,333.9912,025.5210,695.2311,105.2712,534.8214,322.3912,525.6410,639.3410,251.1711,166.5612,491.6312,77513,124.211,628.9310,684.311,432.9712,690.7213,418.4512,683.99
Extra-high voltage3,278.222,929.412,685.832,581.772,616.682,443.262,602.882,590.072,554.852,713.372,907.552,929.653,143.312,888.462,785.072,730.132,820.352,723.282,841.382,887.772,896.283,0213,152.493,130.763,318.373,003.732,925.162,847.253,107.12,956.172,953.323,009.832,994.513,131.713,471.473,590.623,897.97
High voltage4,158.033,649.353,331.933,313.433,160.083,344.713,728.163,578.093,503.043,680.624,103.374,223.644,325.323,756.913,546.963,685.43,781.313,943.974,174.224,058.233,760.023,983.614,332.974,851.134,519.823,829.153,505.873,764.784,020.44,138.314,067.983,966.533,845.194,192.644,533.954,825.234,627.12
Low voltage4,252.043,591.633,949.624,358.644,404.475,325.366,7444,809.564,2354,028.465,024.965,593.665,027.383,865.114,245.994,787.815,526.466,079.787,318.395,079.524,038.924,100.675,049.366,340.494,687.453,806.473,820.134,554.535,364.135,680.526,102.94,652.573,844.64,108.624,685.295,002.64,158.9
New entrant retailers34,189.723,497.743,3213,421.13,349.063,725.984,098.313,473.213,144.323,266.464,004.074,234.124,021.453,126.353,015.473,204.853,477.83,903.524,172.433,505.312,941.543,146.113,817.164,416.613,666.112,788.52,569.342,702.183,096.193,263.983,321.172,871.142,485.822,633.833,166.963,310.432,860.65
Extra-high voltage519.81452.66420.19407.88356.97319.36337.78329.02336.46368.14382.47416.69454.51396.37361.57351.52308.48329.1330.52327.97336.72360.07375.05379.46384.94325.35305.03290.84203.77194.08187.45199.66205.12193.85221.57219.77229.91
High voltage1,752.31,449.041,303.211,254.611,114.191,128.511,285.081,213.381,136.361,193.151,387.121,461.281,550.541,218.031,070.871,096.371,096.591,229.771,278.941,238.041,092.091,154.411,300.451,438.751,382.371,049.53927.18886.94942.66950.31960.01951.19886.8900.491,007.781,052.321,020.54
Low voltage1,917.621,596.031,597.61,758.61,877.92,278.12,475.441,930.811,671.51,705.172,234.482,356.152,016.41,511.951,583.031,756.972,072.722,344.652,562.971,939.31,512.731,631.622,141.662,598.41,898.81,413.621,337.131,524.41,949.762,119.592,173.71,720.291,393.91,539.491,937.612,038.351,610.19
By supply area10
Hokkaido562.1510.31569.8582.81586.66621.57796.36665.1596.79514.87518.6602.52597.97518.07590.13614.68658.47665.25822.57700.27603.42523.03550.86640.86589.54520.04551.84587.88679.86688.17773.57651.6572.23542.65551.75586.45556.83
Tohoku1,420.841,227.41,259.261,353.441,393.331,513.151,790.651,487.351,325.861,243.121,363.881,546.081,541.71,301.621,350.761,449.671,569.181,655.351,944.791,633.221,385.331,351.81,479.081,679.111,540.871,364.51,326.471,457.641,707.861,697.861,794.561,613.771,432.411,417.371,613.671,710.91,572.76
Tokyo5,679.844,973.254,644.84,752.384,546.785,158.415,699.594,974.874,529.364,574.395,7025,920.345,760.344,684.254,567.794,940.565,222.35,705.746,068.995,266.464,581.094,878.455,740.966,532.915,643.964,547.724,218.714,688.965,282.145,555.955,418.384,814.294,365.594,741.745,498.475,740.795,246.63
Chubu2,378.62,033.831,925.862,001.041,944.872,090.722,446.432,053.251,972.382,031.212,319.242,429.732,418.052,069.372,007.892,107.252,294.622,411.342,632.512,224.212,013.352,115.082,3642,638.542,366.562,020.111,917.952,071.582,215.722,241.092,276.382,043.941,902.812,022.912,2372,326.82,307.66
Hokuriku485.55424.5418.61432.57447.22487.93576.98479.25431.47415.83468.26496.13519.56449.53436.78463.08529.54557.41618.84543.85445.36444.47500.66556.58527.06449.48420.66460.31528.2532.15550.71507.42458.31457.97511.31551.67523.09
Kansai2,319.051,981.721,980.252,002.492,089.572,237.272,534.162,076.282,004.522,154.152,544.142,688.252,458.682,004.112,046.682,110.292,362.312,473.372,831.792,250.82,001.572,121.662,454.662,902.452,344.631,952.391,914.712,007.512,281.342,348.92,458.032,091.361,898.862,093.832,399.72,506.842,296.41
Chugoku951.58805.72794.36852.39857.19943.061,106.12896.21829.8849.79986.621,044.431,013.14860.16848.11913.451,053.051,139.791,228.211,025.01889.74944.241,095.091,212.611,036.03873.01851.75932.581,058.091,105.781,136.45997.94903.96977.051,105.671,167.711,105.11
Shikoku466.5369.28370.89369.92389.39403.93515.83412.11369.51400.98463.87502.86500.25400.27398.17405.44464.33473.07564.25450.59388.49424.02488.55596.68508.56393.23387.4396.24461.95458.39498.81432.35387.17417.87462.6508.94473.35
Kyushu1,435.671,198.371,187.731,209.261,173.441,277.511,577.331,286.011,221.981,325.861,490.391,561.411,521.041,194.571,205.631,275.771,329.731,446.51,652.461,299.051,163.71,276.241,479.961,750.941,442.251,156.421,096.151,144.31,253.991,295.061,410.841,228.871,114.011,219.221,314.191,441.531,276.23
Okinawa178.27143.73136.8118.66101.83105.74129.89120.5155.54178.72182.95189.31186.73154.87141.55128.02122.41122.73142.01137.36164.73172.39198.17228.32192.31150.92134.86121.75118.67115.62127.63118.54134.78176.2163.32187.25186.57
Electricity retail contracts2
Total290,336,18690,303,37790,350,64790,469,85690,380,09790,301,53490,249,84790,128,74090,147,16590,053,82690,027,00290,096,70890,084,42690,064,14490,089,38490,149,43289,991,36789,949,03290,033,17589,959,77989,861,21389,776,80689,767,49589,843,14489,842,33089,890,93989,871,13089,925,865.9689,986,04889,895,44989,820,34989,772,87389,665,99589,625,72089,580,47089,638,33189,633,102
By voltage3
Extra-high voltage11,42911,31611,35011,48911,64811,73111,72911,73811,70411,69811,71111,72511,74111,69511,60811,71711,62611,76611,68611,75511,73411,71511,69411,69311,63311,58811,65211,59611,54011,58911,55611,53711,51811,51711,49511,49911,500
High voltage847,539846,667847,592844,912847,448848,076848,163844,407846,659847,101847,228847,283847,443844,441845,012836,167839,978845,415845,598844,657845,501842,842845,190845,290843,581844,842847,262837,346843,794843,948843,123840,972843,655842,023844,662839,331836,588
Low voltage289,477,21889,445,39489,491,70589,613,45589,521,00189,441,72789,389,95589,272,59589,288,80289,195,02789,168,06389,237,70089,225,24289,208,00889,232,76489,301,54889,139,76389,091,85189,175,89189,103,36789,003,97888,922,24988,910,61188,986,16188,987,11689,034,50989,012,21689,076,923.9689,130,71489,039,91288,965,67088,920,36488,810,82288,772,18088,724,31388,787,50188,785,014
Lighting (households)83,851,41383,809,84983,830,77483,938,50683,781,66483,676,24683,617,87983,544,82183,613,07883,583,16783,500,57383,527,88983,507,31883,472,95083,465,59683,520,05083,297,42683,217,42183,297,32083,270,01683,225,12383,216,22883,152,12883,175,62583,163,17183,193,87583,138,93083,186,651.9683,171,13983,055,11782,973,07382,973,07282,926,11982,954,32882,839,02482,864,33682,848,563
Power (small businesses)5,625,8055,635,5455,660,9315,674,9495,739,3375,765,4815,772,0765,727,7745,675,7245,611,8605,667,4905,709,8115,717,9245,735,0585,767,1685,781,4985,842,3375,874,4305,878,5715,833,3515,778,8555,706,0215,758,4835,810,5365,823,9455,840,6345,873,2865,890,2725,959,5755,984,7955,992,5975,947,2925,884,7035,817,8525,885,2895,923,1655,936,451
By type of retailer2
Former regional utilities (incumbent retailers)367,585,34867,658,52667,772,63067,917,32068,084,96568,251,23268,345,61368,375,03468,423,74968,476,53968,628,68568,798,55568,890,83568,979,52269,113,58169,238,77269,357,41169,493,29269,580,37969,600,53569,565,47369,451,72169,525,45069,636,05469,702,93569,749,21469,849,64369,932,60869,986,49370,043,06670,048,87969,997,72669,910,67269,852,59469,885,52569,933,53669,909,833
Extra-high voltage8,7678,6528,6998,8469,2599,4089,4119,4259,4089,4089,4349,3859,4269,4409,3969,4469,5589,6789,6849,6849,6889,6949,6959,7289,7499,7279,7489,7209,91010,01210,01510,02310,02010,04010,03710,08410,081
High voltage594,733594,779595,713597,053613,454616,205617,868618,405618,918619,776620,720621,818623,001622,730623,946616,859634,489637,588639,270639,593640,144639,647643,440645,193645,358648,924651,968648,414663,690665,070665,355665,394665,661666,468669,477669,823667,843
Low voltage66,981,84867,055,09567,168,21867,311,42167,462,25267,625,61967,718,33467,747,20467,795,42367,847,35567,998,53168,167,35268,258,40868,347,35268,480,23968,612,46768,713,36468,846,02668,931,42568,951,25868,915,64168,802,38068,872,31568,981,13369,047,82869,090,56369,187,92769,274,47469,312,89369,367,98469,373,50969,322,30969,234,99169,176,08669,206,01169,253,62969,231,909
New entrant retailers322,750,83822,644,85122,578,01722,552,53622,295,13222,050,30221,904,23421,753,70621,723,41621,577,28721,398,31721,298,15321,193,59121,084,62220,975,80320,910,66020,633,95620,455,74020,452,79620,359,24420,295,74020,325,08520,242,04520,207,09020,139,39520,141,72520,021,48719,993,257.9619,999,55519,852,38319,771,47019,775,14719,755,32319,773,12619,694,94519,704,79519,717,329
Extra-high voltage2,6622,6642,6512,6432,3892,3232,3182,3132,2962,2902,2772,3402,3152,2552,2122,2712,0682,0882,0022,0712,0462,0211,9991,9651,8841,8611,9041,8761,6301,5771,5411,5141,4981,4771,4581,4151,419
High voltage252,806251,888251,879247,859233,994231,871230,295226,002227,741227,325226,508225,465224,442221,711221,066219,308205,489207,827206,328205,064205,357203,195201,750200,097198,223195,918195,294188,932180,104178,878177,768175,578177,994175,555175,185169,508168,745
Low voltage22,495,37022,390,29922,323,48722,302,03422,058,74921,816,10821,671,62121,525,39121,493,37921,347,67221,169,53221,070,34820,966,83420,860,65620,752,52520,689,08120,426,39920,245,82520,244,46620,152,10920,088,33720,119,86920,038,29620,005,02819,939,28819,943,94619,824,28919,802,449.9619,817,82119,671,92819,592,16119,598,05519,575,83119,596,09419,518,30219,533,87219,547,165
By supply area10
Hokkaido3,929,3873,936,9313,968,5894,059,4094,081,5154,063,5724,064,4584,033,2764,013,8403,931,7403,912,5383,909,6423,911,6933,926,2973,972,8854,048,0644,077,1604,061,6764,065,7014,034,3974,013,2653,921,7423,904,6623,902,1173,908,1663,920,3743,964,0894,040,7704,083,4304,069,6804,069,5614,029,7544,008,6263,921,8183,897,8463,901,8053,905,713
Tohoku7,912,9987,908,7457,915,2077,927,4307,963,6167,972,3927,970,2077,959,8677,897,3787,898,2497,893,5417,921,9127,921,9067,919,5047,923,7227,916,3987,966,6857,985,6207,987,2097,970,3357,904,1717,896,5887,903,9457,930,8167,931,9657,936,3837,930,4567,916,2497,977,9547,989,8197,986,6087,969,6177,903,0767,907,0357,916,0597,929,4857,930,771
Tokyo32,025,45032,001,29132,004,63632,019,51431,948,92531,886,99931,847,15231,835,31031,850,71731,846,73631,856,55831,878,87131,885,48331,851,03631,845,14831,863,29531,708,16131,660,23631,686,47931,671,70731,673,76931,666,38831,663,44331,715,44831,701,50931,719,79431,688,12631,694,643.9631,631,49131,567,24131,517,81531,552,09431,518,64531,518,88531,516,35431,538,77231,541,535
Chubu11,235,30011,233,40211,237,14611,239,23411,234,82611,216,02811,211,05511,191,74111,200,30311,193,21011,196,77011,198,95911,198,36911,198,80611,194,49811,198,04211,192,89211,181,98911,185,32211,187,01711,169,11711,172,54211,171,81911,162,73911,170,21711,175,97211,174,88211,191,98411,208,40011,194,22911,187,40511,173,67011,171,69211,171,63211,165,19611,174,62811,173,742
Hokuriku2,181,5072,179,6332,182,0732,181,7722,186,6722,190,2312,190,9042,186,7192,181,3492,179,9392,178,3622,182,4552,179,4092,178,6172,180,8692,182,8932,187,0782,191,1192,194,6372,190,0142,186,3292,184,3992,183,3492,184,8632,183,9992,184,5472,185,2772,189,1992,190,0052,193,4182,198,2452,194,0002,188,8972,185,7062,188,2732,184,9922,185,630

Latest reading

The series on this page is monthly and runs from Apr 2016 to Jul 2026. Source: Electricity and Gas Market Surveillance Commission (EGC) – Electricity Trading Report.

About this data

Monthly statistics of Japan's liberalized electricity retail market from the Electricity and Gas Market Surveillance Commission: power sold, sales revenue, number of contracts by supplier type and voltage, and supplier switching.

Frequently asked questions

What is the latest figure for Japan Electricity Retail Market?
Total stood at 68,041.22 GWh in Jul 2026. That is +15.1% from Jun 2026 and −7.9% from a year earlier.
How far back does the Japan Electricity Retail Market data go?
The series on this page is monthly and runs from Apr 2016 to Jul 2026. Source: Electricity and Gas Market Surveillance Commission (EGC) – Electricity Trading Report. Every series in the table can be charted over its full history and downloaded as CSV or Excel.