Households with Electricity (number)
| 2009 |
| Nairobi | 712,859 |
| Kiambu | 255,704 |
| Mombasa | 158,588 |
| Nakuru | 139,430 |
| Kajiado | 69,098 |
| Uasin Gishu | 56,534 |
| Nyeri | 53,086 |
| Meru | 50,004 |
| Machakos | 45,067 |
| Kisumu | 41,551 |
| Muranga | 33,847 |
| Kilifi | 33,423 |
| Kirinyaga | 25,353 |
| Kisii | 20,965 |
| Kakamega | 19,959 |
| Embu | 19,611 |
| Laikipia | 18,222 |
| Trans Nzoia | 15,121 |
| Nyandarua | 15,086 |
| Kericho | 15,005 |
| Kwale | 12,888 |
| Bungoma | 12,219 |
| Garissa | 11,405 |
| Makueni | 10,912 |
| Taita Taveta | 10,653 |
| Baringo | 10,583 |
| Narok | 9,903 |
| Kitui | 9,850 |
| Nandi | 9,788 |
| Migori | 9,551 |
| Busia | 9,253 |
| Vihiga | 8,678 |
| Siaya | 8,615 |
| Bomet | 7,552 |
| Homa Bay | 6,850 |
| Nyamira | 6,486 |
| Isiolo | 5,800 |
| Elgeyo Marakwet | 5,547 |
| Marsabit | 4,258 |
| Lamu | 3,767 |
| Mandera | 3,198 |
| Wajir | 3,039 |
| Turkana | 3,017 |
| Samburu | 2,949 |
| West Pokot | 2,456 |
| Tana River | 1,184 |
| Tharaka Nithi | 826 |