You can find more information on your DNO here
Whether you are under a DNO or IDNO, you can still call 105 for powercuts or emergency work
| MPAN CODE | AREA | COMPANY | EMERGENCY NUMBER | WEBSITE | TWITTER ACCOUNT |
| 10 | Eastern England | UK Power Networks | 0800 783 8838 / 0333 202 2021 | www.ukpowernetworks.co.uk | @UKPowerNetworks |
| 11 | East Midlands | Western Power Distribution | 0800 6783 105 | www.westernpower.co.uk | @wpduk |
| 12 | London | UK Power Networks | 0800 028 0247 / 0333 202 2022 | www.ukpowernetworks.co.uk | @UKPowerNetworks |
| 13 | Merseyside and Northern Wales | Scottish Power | 0800 001 5400 / 0330 1010 400 | www.spenergynetworks.co.uk | @SPEnergyNetwork |
| 14 | West Midland | Western Power Distribution | 0800 6783 105 | www.westernpower.co.uk | @wpduk |
| 15 | North Eastern England | Northern Powergrid | 0800 668 877 | www.northernpowergrid.com | @Northpowergrid |
| 16 | North Western England | Electricity North West | 0800 195 4141 | www.enwl.co.uk | @ElectricityNW |
| 17 | Northern Scotland | SSE Power Distribution | 0800 300 999 | www.ssen.co.uk | @southernelecPD |
| 18 | Southern Scotland | Scottish Power | 0800 092 9290 / 0330 1010 222 | www.spenergynetworks.co.uk | @SPEnergyNetwork |
| 19 | South Eastern England | UK Power Networks | 0800 783 8866 / 0333 202 2023 | www.ukpowernetworks.co.uk | @UKPowerNetworks |
| 20 | Southern England | SSE Power Distribution | 0800 072 7282 | www.ssen.co.uk | @southernelecPD |
| 21 | Southern Wales | Western Power Distribution | 0800 6783 105 | www.westernpower.co.uk | @wpduk |
| 22 | South Western England | Western Power Distribution | 0800 6783 105 | www.westernpower.co.uk | @wpduk |
| 23 | Yorkshire | Northern Powergrid | 0800 375 675 | www.northernpowergrid.com | @Northpowergrid |
| MPAN ID | NAME | MARKET PARTICIPANT ID | CONTACT NUMBER | WEBSITE |
| 24 | Independent Power Networks | IPNL | 01359 302255 | www.gtc-uk.co.uk/ |
| 25 | ESP Electricity | LENG | 01372 587500 | espug.com/ |
| 26 | Last Mile Electricity | GUCL | 03300 587452 | lastmile-uk.com/ |
| 27 | The Electricity Network Company (GTC) | ETCL | 01359 243311 | www.gtc-uk.co.uk/ |
| 28 | UK Power Networks (IDNO) Ltd | (no longer live) | N/A | N/A |
| 29 | Harlaxton Energy Networks Ltd | HARL | 0844 800 1813 | www.harlaxtonenergynetworks.co.uk/ |
| 30 | Leep Electricity Networks Ltd | PENL | 0333 005 0271 | www.leeputilities.co.uk/ |
| 31 | UK Power Distributions Ltd | UKPD | 07730 762638 | www.ukpowerdistribution.co.uk/ |
| 32 | Energy Assets Networks Ltd | UDNL | 0845 260 1630 | www.energyassetsnetworks.co.uk/ |
| 33 | Eclipse Power | GGEN | 01234 486 487 | eclipsepower.co.uk/ |
| 35 | Fulcrum Electricity Assets Ltd | FEAL | 03330 146 466 | www.fulcrum.co.uk/ |
| 36 | Vattenfall Network Limited | VATT | 0203 9555140 | idno.vattenfall.co.uk/ |
