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Yggdrasil (Aker BP)
A three-platform development now estimated at NOK 195 bn (nominal, Oct 2026): the last topsides go offshore in late 2026, with hook-up, commissioning and subsea installation running into 2027.
Deepwater FPSO · Norway (Europe) · every fact below is as reported by the linked sources, checked by hand on 2026-10-08.
- Size
- ~700 million boe; 57 wells on three platforms; 250 km power cable from shore
- Operator / developer
- Aker BP
- Phase, as reported
- offshore installation and hook-up (Hugin B topside installed early July 2026; Munin topside loaded out at Aibel Haugesund, ready for sail-away Aug 2026; Hugin A topside sail-away scheduled December 2026; power from shore commissioned June 2026)
- Checked on
- 2026-10-08
Phase track steps named in the reported phase are marked
- FID
- Engineering
- Fabrication
- Construction
- Installation
- Commissioning
Who builds it as stated by the sources
- Aker BP — operator (Hugin licence 76.72%); partners Equinor and Orlen Upstream Norway
- Aker Solutions — EPC and offshore hook-up for the Hugin A production platform and jacket and the Hugin B unmanned wellhead platform and jacket (contract ~NOK 22 bn, Dec 2022); plus subsea production systems (~NOK 7 bn)
- Subsea 7 — SURF package (per Offshore Technology project profile)
- Allseas — topsides installation (per Offshore Technology project profile)
- NKT — subsea power cables (per Offshore Technology project profile)
- Aibel — EPC of the Munin unmanned production platform topsides (Haugesund)
Reported risk as reported, as of 2026-10-08
Cost growth: Norway's 2027 state budget (7 Oct 2026) puts Yggdrasil at NOK 195 bn nominal, up 9.8% in a year and from NOK 120.8 bn at PDO; Aker BP raised investment guidance in July 2026 to hold the 2027 start-up.
Key dates as stated by the sources
- FID
- December 2022
- Pdo approval
- June 2023
- Hugin a first steel cut
- September 2023
- Hugin b topside sailaway
- 2026-07-06
- Subsea final deliveries
- 2028 (per Aker Solutions 2022 release)
- Startup target
- 2027 (Aker BP aims for summer 2027)
- Hugin a topside sailaway
- December 2026 (scheduled)
Disciplines likely needed our inference
- offshore hook-up and commissioning engineers
- subsea/SURF installation engineers
- E&I and control systems engineers
- structural/marine operations engineers
- HSE and completion management
Our inference from project kind and phase — not stated by the sources below.
Sources checked on 2026-10-08
- Aker BP sends Hugin B topside to Yggdrasil in the Norwegian North SeaPortNews · published 2026-07-06 · retrieved 2026-09-22
- Aker Solutions Secures Multiple Contracts with Aker BP – Record High Order IntakeAker Solutions (company newsroom) · published 2022-12-16 · retrieved 2026-09-22
- Yggdrasil Field Development, North Sea, NorwayOffshore Technology · retrieved 2026-09-22
- Aker BP increases project cost estimates to protect 2027 startupsOil & Gas Journal · published 2026-07-15 · retrieved 2026-10-08
- Aker BP narrows 2026 production guidance as major Norway projects advanceWorld Oil · published 2026-07-15 · retrieved 2026-10-08
- Mammoet completes critical topsides operations for Aker BP's Yggdrasil projectWorld Oil · published 2026-08-13 · retrieved 2026-10-08
- Costs of Aker BP's flagship offshore projects continue to rise (Reuters)Baird Maritime · published 2026-10-07 · retrieved 2026-10-08
Position on our globe: 59.90°N 2.20°E. Location approximate: Central North Sea, Norwegian shelf, ~160 km west of Kollsnes near Bergen; water depth 110–120 m.