Key Statistical Data System Installed Generating Capacity 2013 2012 Increase Type of Power Plant MW Percentage MW Percentage Percentage EGAT s Power Plants Thermal 4,699.00 13.95 4,699.00 14.41 - Combined cycle 6,866.00 20.39 6,866.00 21.06 - Hydropowr 3,435.74 10.20 3,435.74 10.54 - Diesel 4.40 0.01 4.40 0.01 - Renewable energy 4.99 0.02 4.99 0.02 - Subtotal 15,010.13 44.57 15,010.13 46.04 - Purchase from Domestic Private Power Plants IPPs 12,741.69 37.83 12,741.69 39.08 - SPPs 3,524.60 10.46 2,444.60 7.50 44.18 Neighboring Countries Laos 2,104.60 6.25 2,104.60 6.46 - EGAT-TNB 300.00 0.89 300.00 0.92 - Interconnection System Subtotal 18,670.89 55.43 17,590.89 53.96 6.14 Grand Total 33,681.02 100.00 32,601.02 100.00 3.31 134 A Leader of Clean Energy Technology
Monthly Peak Generation Requirement Monthly Peak Generation Increase/ Month Requirement (MW) 2013 2012 MW Percentage January 23,390.78 22,251.10 1,139.68 5.12 February 24,589.40 23,554.40 1,035.00 4.39 March 26,422.97 24,571.51 1,851.46 7.53 April 26,324.61 26,121.10 203.51 0.78 May* 26,598.14 25,207.27 1,390.87 5.52 June 25,038.04 23,927.30 1,110.74 4.64 July 24,568.41 23,932.60 635.81 2.66 August 23,941.68 24,155.70 (214.02) (0.89) September 24,363.69 24,009.30 354.39 1.48 October 23,741.50 24,131.33 (389.83) (1.62) November 24,251.18 24,657.91 (406.73) (1.65) December 22,905.22 20,395.42 2,509.80 12.31 Yearly Peak 26,598.14 26,121.10 477.04 1.83 Generation Requirement * 2013 peak generation requirement occurred on May 16, 2013 at 14.00 hours 2012 peak generation requirement occurred on April 26, 2012 at 14.30 hours Monthly Energy Generation Requirement Monthly Energy Generation Increase/ Month Requirement (Million kwh) 2013 2012 Million kwh Percentage January 13,644.32 13,036.23 606.16 4.65 February 13,476.66 13,579.14 (102.48) (0.75) March 15,730.69 15,252.02 479.43 3.14 April 14,674.50 14,380.65 292.72 2.04 May 16,058.70 15,411.17 645.90 4.19 June 14,793.29 14,597.00 196.29 1.34 July 14,748.06 14,847.93 (99.87) (0.67) August 14,857.03 14,652.29 199.36 1.36 September 14,403.65 14,209.28 193.61 1.36 October 14,572.38 14,792.85 (202.47) (1.49) November 14,176.28 14,486.75 (310.47) (2.14) December 12,399.89 13,959.81 (1,559.92) (11.17) Total 173,535.45 173,205.13 330.32 0.19 135
Gross Energy Generation and Purchase (by type of fuel) Source Million kwh Percentage Million kwh Percentage Percentage EGAT s Power Plants Natural gas 48,234.06 27.80 51,040.61 29.47 (5.50) Lignite 17,109.59 9.86 16,817.40 9.71 1.74 Hydropower 5,390.33 3.11 8,408.36 4.85 (35.89) Fuel oil 1,201.19 0.69 1,177.45 0.68 2.02 Diesel oil 173.25 0.10 55.46 0.03 212.39 Renewable energy 5.52-3.57 0.01 54.62 EGAT s Total Generation 72,113.94 41.56 77,502.85 44.75 (6.95) Purchase from Domestic Private Power Plants - IPPs Natural gas 51,518.52 29.69 55,588.57 32.09 (7.32) Coal 14,277.85 8.23 13,707.39 7.91 4.16 Fuel oil 195.23 0.11 727.24 0.42 (73.15) Diesel oil 189.71 0.11 77.58 0.04 144.53 Subtotal 66,181.31 38.14 70,100.78 40.47 (5.59) - SPPs Natural gas 17,252.64 9.94 10,434.28 6.02 65.35 Coal 1,999.15 1.15 2,009.34 1.16 (0.51) Hydropower 29.20 0.02 29.81 0.02 (2.05) Fuel oil 28.08 0.03 29.97 0.02 (6.31) Biomass 2,850.55 1.64 2,527.99 1.46 12.76 Renewable energy 508.37 0.29 135.72 0.08 274.57 Subtotal 22,667.99 13.06 15,167.11 8.76 49.45 Neighboring Countries - Laos 12,427.54 7.16 10,293.60 5.94 20.73 - Malaysia 144.67 0.09 140.79 0.08 2.76 Subtotal 12,572.21 7.24 10,434.39 6.02 20.49 Total Energy Purchase 101,421.51 58.44 95,702.28 55.25 5.98 Grand Total 173,535.45 100.00 173,205.13 100.00 0.19 136 A Leader of Clean Energy Technology
Energy Sales Customer Million kwh Percentage Million kwh Percentage Percentage Metropolitan Electricity 49,623.63 29.27 49,991.69 29.52 (0.74) Authority (MEA) Provincial Electricity 116,793.35 68.89 116,025.45 68.50 0.66 Authority (PEA) Direct customers 1,635.94 0.97 1,693.21 1.00 (3.38) Standby power supply 98.04 0.06 119.81 0.07 (18.17) Electricité du Laos (EDL) 953.56 0.56 1,141.02 0.67 (16.43) Tenaga Nasional Berhad 4.22-1.06-298.11 (TNB) - Malaysia Electricité du Cambodge 416.97 0.25 393.06 0.23 6.08 (EDC) Other minor customers 4.61-4.67 - (1.28) Total 169,530.32 100.00 169,369.97 100.00 0.09 Average Energy Sales Price Customer Baht/kWh Baht/kWh Percentage Metropolitan Electricity Authority (MEA) 3.04 2.79 8.85 Provincial Electricity Authority (PEA) 3.02 2.81 7.63 Direct customers 3.18 3.01 5.78 Standby power supply 6.51 5.76 12.94 Electricité du Laos (EDL) 1.65 1.83 (9.80) Tenaga Nasional Berhad (TNB) - Malaysia 7.28 7.69 (5.32) Electricité du Cambodge (EDC) 3.65 3.41 7.14 Other minor customers 2.11 2.05 3.03 Overall Average Sales Price 3.02 2.80 7.97 137
Transmission System Voltage Level (kv) 2013 2012 Line Length Number of Transformer Line Length Number of Transformer (Circuit-Kilometers) Substations Capacity (Circuit-Kilometers) Substations Capacity (MVA) (MVA) 500 4,167.17 11 20,849.99 3,884.23 11 20,849.99 230 14,505.65 71 51,160.04 14,060.13 71 50,760.04 132 8.70-133.40 8.70-133.40 115 13,660.65 131 14,617.49 13,561.53 130 14,598.74 69 19.00 - - 19.00 - - 300 (HVDC) 23.07-388.02 23.07-388.02 Total 32,384.24 213 87,148.94 31,556.66 212 86,730.19 Fuel Consumption Increase/ Type of Fuel 2013 2012 Percentage Natural gas (million cubic feet)* 412,701.72 436,096.03 (5.36) Fuel oil (million liters)* 316.82 320.52 (1.15) Lignite (million tons) 16.88 16.78 0.60 Diesel oil (million liters)* 60.35 17.84 238.28 * Excluding gas and oil supplies provided for REGCO, KEGCO, and RGCO 138 A Leader of Clean Energy Technology
Reservoir Operation Operation Percentage Total reservoir capacity 62,427 62,290 - (million cubic meters) * Total storage at year end 22,776 21,255 7.16 (million cubic meters) * Total water inflow (million cubic meters) * 37,240 33,009 12.82 Total water release (million cubic meters) * - Passed through generators 32,064 39,502 (18.83) - Extra release through spillways 507-100.00 - Extra release for irrigation ** 348 292 19.18 - Evaporation 3,112 3,176 (2.02) Total water release 36,031 42,971 (16.15) Water pumped up into the 196 68 188.24 upper reservoir (million cubic meters) ** Generated energy (million kwh) *** 5,390 8,407 (35.88) Water used for energy generation 6.68 5.10 30.98 (cubic meters/kwh) * Excluding Pak Mun Dam, Lamtakhong Dam, and other mini hydropower plants ** Water pumped up into Bhumibol Dam, Srinagarind Dam, and Lamtakong Dam *** All of EGAT s hydropower plants Workforce at December 2013 at December 2012 Increase/ Educational Level Number of Percentage Number of Percentage Persons Persons Percentage Bachelor s Degree 7,869 34.28 7,543 33.05 4.32 and Higher Diploma/Higher Vocational 8,217 35.80 7,978 34.95 3.00 Certificate Vocational Certificate 3,055 13.31 3,201 14.02 (4.56) Others 3,813 16.61 4,103 17.98 (7.07) Total 22,954 100.00 22,825 100.00 0.57 139