Gas suppliers
In order to activate the internal installation and supply your property with natural gas, in addition to the connection contract with Enaon EDA, you must have signed a gas supply contract with a gas supply company.
Gas supply companies are companies that use the gas distribution network (Distribution Network Users) to supply gas to end consumers. The gas supply companies in Attica must have obtained a gas supply licence from the Regulatory Authority for Waste, Energy and Water (RAAEY), be registered in the E.S.F.A. Users Register, and have signed the relevant distribution network use contract with Enaon EDA in order to be active users of the Attica distribution network.
The existing active users of the distribution network – suppliers of gas in Attica are the following:
| Distribution Network Users – Suppliers of N.G. | Contact telephone number |
| P.P.C. S.A. | 800 900 1000 |
| DEPA S.A. | 210 2701000 |
| ELINOIL S.A. | 210 6241770 |
| FYSIKO AERIO HELLENIC ENERGY COMPANY S.A. | 181133 |
| ELPEDISON S.A. | 18128 |
| EFA ENERGY S.A. | 211 4120777 – 2310 320777 |
| ZENITH GAS AND LIGHT | 18321 |
| HERON ENERGY S.A. | 18228 |
| VOLTON S.A. | 216 3001000 |
| MOTOR OIL HELLAS CORINTH REFINERIES S.A. | 210 8094 037, 210 8094 360, 210 8094 253 |
| PROTERGIA (METLEN ENERGY & METALS A.E) | 18311 |
| NRG SUPPLY AND TRADING S.A. | 18101 |
| VOLTERRA S.A. | 2130 88 3000 |
| ELVALHALCOR S.A. | * |
* Does not serve natural gas end consumers.