Ten provinces with least customer of electricity: 2004 - 2006
 2004 
RankProvincesNumber
1Mae Hong Son34,344
2Ranong41,227
3Samut Songkhram46,472
4Pangnga56,768
5Satun60,488
6Trat61,868
7Sing Buri62,470
8Nakhon Nayok62,962
9Mukdahan70,084
10Ang Thong76,386
 Whole Kingdom12,842,703
 2005 
RankProvincesNumber
1Mae Hong Son39,188
2Ranong42,553
3Samut Songkhram46,642
4Trat60,166
5Sing Buri61,395
6Pangnga62,103
7Nakhon Nayok63,072
8Satun64,068
9Mukdahan72,234
10Ang Thong73,325
 Whole Kingdom13,317,769
 2006 
RankProvincesNumber
1Mae Hong Son41,364
2Ranong44,297
3Samut Songkhram47,885
4Trat62,368
5Sing Buri62,668
6Nakhon Nayok65,208
7Satun66,521
8Pangnga67,063
9Mukdahan74,187
10Ang Thong74,698
 Whole Kingdom13,749,452
Souce : Provincial Electricity Authority (PEA)
Compiled by : Statistical Forecasting Bureau,  National Statistical Office