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Principle Power

Principle Power, Inc.

Emeryville, CA, United States

Wind
Founded 200751-200 employees
Profile last updated: June 2, 2026

About

Founded in 2007, Principle Power is a renewable energy company headquartered in Emeryville, United States with approximately 51-200 employees specializing in Wind.

Principle Power is a global energy technology and services company providing floating offshore wind technology and engineering services. Its patented WindFloat semi-submersible floating foundation portfolio, including the WindFloat T and WindFloat F, enables offshore wind projects in deep waters and varied seabed conditions. The company offers full lifecycle services from development to decommissioning, operating under ISO 9001, ISO 14001 and ISO 45001 certified management systems. Founded in 2007 and headquartered in California, it has offices in France, Portugal, the United Kingdom, Japan and Asia.

Headquarters

Emeryville, United States

Founded

2007

Employees

51-200

Focus areas

floating offshore windWindFloatsemi-submersibleoffshore windengineering servicesdeep water

Products & services

Business models

B2B

Value chain

R&DEngineeringDevelopmentConsultingAdvisoryProcurementConstructionO&M

Service areas (1)

  • Floating offshore wind technology and engineering services

    Full lifecycle engineering services for floating offshore wind projects, from development to decommissioning, including design, FEED, procurement support and O&M.

Locations

Headquarters

Powell St. 2200, 94608, Emeryville, CA, United States

Operating locations (4)

  • Aix en Provence, France
  • Lisboa, Portugal
  • Tokyo, Japan
  • London, United Kingdom

Service regions

PortugalFranceUnited KingdomJapanUnited States

Projects

5

Les Éoliennes Flottantes du Golfe du Lion

PlannedFloating offshore wind farm

Floating offshore wind project 18 km offshore Leucate on the French Mediterranean coast, scheduled to reach financial close in 2026.

30 MW capacityLeucate, France

Kincardine Offshore Wind Farm

OperationalFloating offshore wind farm

Floating offshore wind project 15 km offshore Aberdeen, Scotland.

Aberdeen, United Kingdom

Aguçadoura WindFloat 1 prototype

OperationalFloating wind prototype

2 MW WindFloat 1 floating wind prototype that began operations in 2011, the first to use a semi-submersible architecture.

2 MW capacityAguçadoura, PortugalCompleted: 2011-01-01

Erebus Floating Wind Farm

Floating offshore wind farm

Floating offshore wind project listed among company projects.

Korea Floating Wind

Floating offshore wind farm

Floating offshore wind project 80 km offshore Ulsan City, South Korea.

Ulsan, South Korea

Credentials & affiliations

Certifications

ISO 9001:2015

Issued by: Certification body not stated

ISO 14001:2015

Issued by: Certification body not stated

ISO 45001:2018

Issued by: Certification body not stated

Awards

Environmental Leadership Award

The Maritime Alliance2018

Global Cleantech 100 Company

Cleantech Group2021

Global Cleantech 100 Company

Cleantech Group2014

TOP 100 Energy Transition Innovator

Reuters Events2022

Environmental Innovation

NAMEPA2022

Marine Environment Protection Award for Environmental Innovation

NAMEPA

Invest in Provence Award

Provence Promotion, Economic Development Agency2016

European Wind Investment Awards

European Wind Investment Awards2021

Offshore Energy Young Engineer Award

2016

Industry memberships

Ocean Renewable Energy Action CoalitionInternational Renewable Energy Agency

Partnerships

EIT InnoEnergy, Aker Solutions, Marine Innovation & Technology, Ecocean

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