Italia - Italy
| Region | Capacity (MWp) | Plants N. |
| Marche | 58 | 35 |
| Puglia | 65 | 42 |
| Piemonte | 54 | 18 |
| Abruzzo | 54 | 35 |
| Emilia Romagna | 36 | 17 |
| Friuli Venezia Giulia | 31 | 6 |
| Lazio | 24 | 8 |
| Campania | 20 | 17 |
| Sicilia | 20 | 8 |
| Lombardia | 9 | 6 |
| Molise | 9 | 9 |
| Toscana | 3 | 3 |
| Umbria | 2 | 2 |
| Total | 385 | 206 |
Stern Energy SpA - ITALIA
Sede centrale/Headquarter
Largo Novaro 1/A - 43121 Parma (PR) – Emilia Romagna
Tel. +39 0521 229761
Sede secondaria/Local Branch
Leverano (LE) - Puglia
Magazzini/Warehouse
Loc. Il Moro Parma (PR) – Emilia Romagna
Zona artigianale Leverano (LE) - Puglia
Passo di Treia (MC) - Marche
Tortona (AL) - Piemonte
San Vito al Tagliamento (PN) - Friuli
Scala Torregrotta (ME) – Sicilia
Pontinia (LT) - Lazio
Sede centrale/Headquarter
Largo Novaro 1/A - 43121 Parma (PR) – Emilia Romagna
Tel. +39 0521 229761
Sede secondaria/Local Branch
Leverano (LE) - Puglia
Magazzini/Warehouse
Loc. Il Moro Parma (PR) – Emilia Romagna
Zona artigianale Leverano (LE) - Puglia
Passo di Treia (MC) - Marche
Tortona (AL) - Piemonte
San Vito al Tagliamento (PN) - Friuli
Scala Torregrotta (ME) – Sicilia
Pontinia (LT) - Lazio
Gran Bretagna - United Kingdom
| Region | Capacity (MWp) | Plants N. |
| Southern England | 87 | 11 |
| South Wales | 30 | 4 |
| South West England | 27 | 5 |
| Eastern England | 12 | 2 |
| Yorkshire | 10 | 1 |
| North Wales | 10 | 1 |
| West Midlands | 5 | 2 |
| East Midlands | 2 | 1 |
| Total | 182 | 27 |
Stern Energy Ltd - UK
Sede centrale/Headquarter
2nd Floor, 37-38 Long Acre, London WC2E 9JT
Tel. +44 203 1670051
Sede secondaria/Local Branch
Cardiff (CF) - Wales
Magazzini/Warehouse
Aylesbury – Southern England
Sede centrale/Headquarter
2nd Floor, 37-38 Long Acre, London WC2E 9JT
Tel. +44 203 1670051
Sede secondaria/Local Branch
Cardiff (CF) - Wales
Magazzini/Warehouse
Aylesbury – Southern England
Olanda - Netherlands
| Region | Capacity (MWp) | Plants N. |
| Zuid-Holland | 40 | 2 |
| Total | 47 | 2 |
Stern Energy BV - Netherlands
Sede centrale/Headquarter
Stadionweg, 43, 3077 AS, Rotterdam
Sede centrale/Headquarter
Stadionweg, 43, 3077 AS, Rotterdam
Germania - Germany
Stern Energy GMBH
Sede centrale/Headquarter
To be opened 1st Quarter 2020
Sede centrale/Headquarter
To be opened 1st Quarter 2020
| Country | MWp | Plants N. |
| Italy | 385 | 206 |
| UK | 182 | 27 |
| Netherlands | 47 | 2 |
| Germany | Opening 2020 | |
| Total | 615 | 235 |
Stern Energy SpA - ITALIA
Largo Novaro 1/A - 43121 Parma (PR) – Emilia Romagna
Stern Energy Ltd - UK
2nd Floor, 37-38 Long Acre, London WC2E 9JT
Stern Energy BV - NETHERLANDS
Stadionweg, 43, 3077 AS, Rotterdam
Stern Energy GMBH - GERMANY
To be opened 1st Quarter 2020