Africa Coast to Europe (ACE) is an
optical-fiber submarine cable system serving 24 countries on the Europe , west coast and south Africa, managed by a consortium of 20 members.
The ACE cable connects more than 450 million people, either directly for coastal countries or through land links for landlocked countries such as
Mali
Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Ma ...
and
Niger. ACE is also the first international submarine cable to land in
Equatorial Guinea,
Gambia,
Guinea,
Liberia,
Mauritania,
São Tomé and Príncipe and
Sierra Leone.
Agreements are being put in place to allow the arrival of other operators in countries along the ACE cable route.
Guinea-Bissau
Guinea-Bissau ( ; pt, Guiné-Bissau; ff, italic=no, 𞤘𞤭𞤲𞤫 𞤄𞤭𞤧𞤢𞥄𞤱𞤮, Gine-Bisaawo, script=Adlm; Mandinka: ''Gine-Bisawo''), officially the Republic of Guinea-Bissau ( pt, República da Guiné-Bissau, links=no ), ...
is the next country to be connected to the submarine cable.
ACE Consortium consists of telecommunications operators and member countries that have invested in the total 700 million dollars project, sometimes with the financial support of the
World Bank
The World Bank is an international financial institution that provides loans and grants to the governments of low- and middle-income countries for the purpose of pursuing capital projects. The World Bank is the collective name for the Inte ...
. The consortium agreement was signed on 5 June 2010 and on 15 December 2012, this 17,000 km-long cable was put into service for the first time. The official inauguration ceremony was held in
,
Gambia, on 19 December 2012.
The 4 to 5 cms diameter cable runs at around 6,000m below the sea level. The maximum capacity of the entire system is increased from 12.8 Tbps in the design to 20 Tbps.
It has been manufactured by
Alcatel Submarine Networks
Enderby's Wharf is a wharf and industrial site on the south bank of the Thames in Greenwich, London, associated with Telcon and other companies. It has a history of more than 150 years of production of submarine communication cables and associ ...
(ASN) and laid by ships from ASN and
Orange Marine
Orange Marine (formerly France Télécom Marine) is a wholly owned subsidiary of Orange S.A. It is a major actor in the laying of new submarine communications cables and the maintenance of existing cables across the world's oceans.
The company ...
.
ACE consortium

The cable cost consortium members $700 million:
* ACE Gabon
*Bénin ACE GIE
*
Cable Consortium of Liberia
The Cable Consortium of Liberia (CCL) is a public-private partnership formed in 2010 to own and operate Liberia's cable landing point for the ACE (cable system), ACE cable system. Stakeholders in the project include the Government of Liberia (60% ...
* Canalink
* Dolphin Telecom
* Gambia Submarine Cable
*
GUILAB SA
* International Mauritania Telecom
*
MTN Global Connect
*
Orange (France)
*
Orange Cameroun
*
Orange Côte d'Ivoire
*
Orange Mali
Orange S.A. (), formerly France Télécom S.A. (stylized as france telecom) is a French multinational telecommunications corporation. It has 266 million customers worldwide and employs 89,000 people in France, and 59,000 elsewhere. In 2015, ...
*
Orange Niger
Orange S.A. (), formerly France Télécom S.A. (stylized as france telecom) is a French multinational corporation, multinational telecommunications corporation. It has 266 million customers worldwide and employs 89,000 people in France, and 5 ...
*Gestor de Infraestructuras de Telecomunicaciones de Guinea Ecuatorial
*SCGB
*
Sonatel
* STP Cabo
Landing points

Segment 1
*
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
,
Penmarch
*
Portugal
Portugal, officially the Portuguese Republic, In recognized minority languages of Portugal:
:* mwl, República Pertuesa is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian ...
,
Carcavelos
Carcavelos () was, until 2013, a civil parish in the Portuguese municipality of Cascais, about west of Lisbon. In 2013, the parish merged into the new parish Carcavelos e Parede. The parish was known for the Carcavelos wine. With the decline of t ...
*
Espagne,
île de Tenerife
*
Mauritania,
Nouakchott
Nouakchott (; ; ar, نواكشوط; ber, label= Berber, italic=yes, Nwakcoṭ, originally derived from ber, label= Berber, italic=yes, Nawākšūṭ, "place of the winds") page 273. is the capital and largest city of Mauritania. It is one of t ...
*
Senegal
Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣� ...
,
Dakar
Dakar ( ; ; wo, Ndakaaru) (from daqaar ''tamarind''), is the capital and largest city of Senegal. The city of Dakar proper has a population of 1,030,594, whereas the population of the Dakar metropolitan area is estimated at 3.94 million in ...
Segment 2
*
Senegal
Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣� ...
,
Dakar
Dakar ( ; ; wo, Ndakaaru) (from daqaar ''tamarind''), is the capital and largest city of Senegal. The city of Dakar proper has a population of 1,030,594, whereas the population of the Dakar metropolitan area is estimated at 3.94 million in ...
*
Gambia,
*
Guinea-Bissau
Guinea-Bissau ( ; pt, Guiné-Bissau; ff, italic=no, 𞤘𞤭𞤲𞤫 𞤄𞤭𞤧𞤢𞥄𞤱𞤮, Gine-Bisaawo, script=Adlm; Mandinka: ''Gine-Bisawo''), officially the Republic of Guinea-Bissau ( pt, República da Guiné-Bissau, links=no ), ...
, Suro (coming up)
*
Guinea,
Conakry
Conakry (; ; sus, Kɔnakiri; N’ko: ߞߐߣߊߞߙߌ߫, Fula: ''Konaakiri'' 𞤑𞤮𞤲𞤢𞥄𞤳𞤭𞤪𞤭) is the capital and largest city of Guinea. A port city, it serves as the economic, financial and cultural centre of Guinea. Its ...
*
Sierra Leone,
Freetown
Freetown is the capital and largest city of Sierra Leone. It is a major port city on the Atlantic Ocean and is located in the Western Area of the country. Freetown is Sierra Leone's major urban, economic, financial, cultural, educational an ...
*
Liberia,
Monrovia
Monrovia () is the capital city of the West African country of Liberia. Founded in 1822, it is located on Cape Mesurado on the Atlantic coast and as of the 2008 census had 1,010,970 residents, home to 29% of Liberia’s total population. As th ...
*
Ivory Coast
Ivory Coast, also known as Côte d'Ivoire, officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital is Yamoussoukro, in the centre of the country, while its largest city and economic centre is ...
,
Abidjan
Abidjan ( , ; N'Ko script, N’ko: ߊߓߌߖߊ߲߬) is the economic capital of the Ivory Coast. As of the Demographics of Ivory Coast, 2021 census, Abidjan's population was 6.3 million, which is 21.5 percent of overall population of the country, ...
Segment 3
*
Ivory Coast
Ivory Coast, also known as Côte d'Ivoire, officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital is Yamoussoukro, in the centre of the country, while its largest city and economic centre is ...
,
Abidjan
Abidjan ( , ; N'Ko script, N’ko: ߊߓߌߖߊ߲߬) is the economic capital of the Ivory Coast. As of the Demographics of Ivory Coast, 2021 census, Abidjan's population was 6.3 million, which is 21.5 percent of overall population of the country, ...
*
Ghana
Ghana (; tw, Gaana, ee, Gana), officially the Republic of Ghana, is a country in West Africa. It abuts the Gulf of Guinea and the Atlantic Ocean to the south, sharing borders with Ivory Coast in Ghana–Ivory Coast border, the west, Burkina ...
,
Accra
*
Benin
Benin ( , ; french: Bénin , ff, Benen), officially the Republic of Benin (french: République du Bénin), and formerly Dahomey, is a country in West Africa. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the nort ...
,
Cotonou
Cotonou (; fon, Kútɔ̀nú) is a city in Benin. Its official population count was 679,012 inhabitants in 2012; however, over two million people live in the larger urban area.
The urban area continues to expand, notably toward the west. The ci ...
*
Nigeria
Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of G ...
,
Lagos
Lagos ( Nigerian English: ; ) is the largest city in Nigeria and the second most populous city in Africa, with a population of 15.4 million as of 2015 within the city proper. Lagos was the national capital of Nigeria until December 1991 f ...
*
Cameroon
Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west- central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; th ...
,
Kribi
*
Equatorial Guinea, Bata
*
Gabon
Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa. Located on the equator, it is bordered by Equatorial Guinea to the northwest, Cameroon to the north ...
,
Libreville
*
Sao Tomé et principe,
São Tomé
São Tomé is the capital and largest city of the Central African island country of São Tomé and Príncipe. Its name is Portuguese for " Saint Thomas". Founded in the 15th century, it is one of Africa's oldest colonial cities.
History
Ál ...
Segment 4 (The last segment is in service - 1 June 2021
)
*
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...
Technical features
This 17 000-kilometers long cable is the only one connecting 24 west African and European countries. The ACE consortium members are organized according to a global access concept: multiple investors in one landing station. ACE marine routes have a low history of fault and a time-proof technology. The cable is able to adopt newer transponder technology.
Technical features are as below :
*
PoP-to-PoP connection providing access to major cities in Europe and Africa (
Paris
Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...
,
Lisbon,
Cape Town
Cape Town ( af, Kaapstad; , xh, iKapa) is one of South Africa's three capital cities, serving as the seat of the Parliament of South Africa. It is the legislative capital of the country, the oldest city in the country, and the second larges ...
)
* 100G technology proof
* Design capacity increased = 20 terabytes per second
* Lit capacity = 1.6 terabytes per second
* Initial capacity 200 Gbit/s on segment 1, 160 Gbit/s on segments 2 and 3
* Longest
DLS = 4400 kilometres (Penmarch - Dakar)
* Low latency (express and omnibus fibres)
* Uses
wavelength division multiplexing
In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors) of laser light. This techniq ...
(the most advanced for submarine cables)
See also
List of international submarine communications cables
Individual cable systems off the west coast of Africa include:
*
ATLANTIS-2
*
GLO-1
*
Main One
The Main One Cable is a submarine communications cable stretching from Portugal to South Africa with landings along the route in various west African countries. On April 28, 2008, it was announced that Main Street Technologies has awarded a turn ...
*
SAT-2
SAT-2 was a submarine communications cable linking Melkbosstrand, South Africa, to El Medano, Tenerife Island, Spain and Funchal, Madeira islands, Portugal. It was long, contained 82 repeaters, operated at 560 Mbit/s and was in service from 19 ...
*
SAT-3/WASC
*
WACS
References
External links
ACE-Africa Coast to Europe website
{{Submarine communications cables in the Atlantic Ocean
Submarine communications cables in the North Atlantic Ocean
Submarine communications cables in the South Atlantic Ocean
2012 establishments in Africa
2012 establishments in France
2012 establishments in Portugal