Estlink
Estlink is a set of HVDC submarine power cables between Estonia and Finland. Estlink 1 is the first interconnection between the Baltic and Nordic electricity markets followed by Estlink 2 in 2014. The main purpose of the Estlink connection is to secure power supply in both regions to integrate the Baltic and Nordic energy markets.
| Estlink 1 | |
|---|---|
Location of Estlink | |
| Location | |
| Country | Estonia, Finland |
| General direction | south–north–south |
| From | Harku converter station, Estonia 59°23′5″N 24°33′37″E |
| Passes through | Gulf of Finland |
| To | Espoo converter station, Finland 60°12′14″N 24°33′06″E |
| Ownership information | |
| Partners | Elering Fingrid |
| Construction information | |
| Manufacturer of conductor/cable | ABB |
| Installer of conductor/cable | Global Marine Systems |
| Cable layer | CS Sovereign |
| Manufacturer of substations | ABB |
| Installer of substations | ABB |
| Construction started | 2006 |
| Commissioned | 2006 |
| Technical information | |
| Type | Submarine power cable |
| Type of current | HVDC |
| Total length | 105 km (65 mi) |
| Power rating | 350 MW |
| AC voltage | 330 kV (Estonia), 400 kV (Finland) |
| DC voltage | ±150 kV |
| No. of poles | 2 |
| Estlink 2 | |
|---|---|
Location of Estlink 2 | |
| Location | |
| Country | Estonia, Finland |
| General direction | south–north–south |
| From | Püssi converter station, Estonia 59°22′02″N 27°03′50″E |
| Passes through | Gulf of Finland |
| To | Anttila converter station, Finland 60°22′36″N 25°22′01″E |
| Ownership information | |
| Partners | Elering Fingrid |
| Construction information | |
| Manufacturer of conductor/cable | Nexans |
| Installer of conductor/cable | Nexans |
| Cable layer | C/S Nexans Skagerrak |
| Manufacturer of substations | Siemens |
| Installer of substations | Siemens |
| Contractors | Empower Oy |
| Commissioned | 2014 |
| Technical information | |
| Type | subsea cable, overhead line |
| Type of current | HVDC |
| Total length | 171 km (106 mi) |
| Power rating | 650 MW |
| AC voltage | 330 kV (Estonia), 400 kV (Finland) |
| DC voltage | 450 kV |
| No. of poles | 1 |
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