01
Operational performance
Lifting day-to-day execution, throughput and uptime through structured operating models.
Sustaino AS — Energy Advisory
Operational Excellence for the Energy Transition
Sustaino AS provides specialized advisory services and strategic support across the energy sector, helping companies improve operational performance, asset integrity, cost efficiency and sustainability outcomes.
Oil & Gas Offshore Wind Power to X
—— Sustaino AS Energy / Operations / Integrity
Positioning
Sustaino helps energy companies navigate complex technical challenges with practical, value-driven solutions grounded in operational reality. The company supports both mature energy assets and emerging low-carbon projects.
Focus
Where Sustaino creates value
02
Asset integrity and reliability
Maintaining technical condition and reliability across the full lifecycle of complex assets.
03
Cost efficiency
Disciplined OPEX planning, cost control and performance improvement without compromising safety.
04
Sustainable transition
Bridging mature energy operations with emerging low-carbon and renewable projects.
Services
Specialized advisory across the asset lifecycle
Sustaino supports clients across the full asset lifecycle, combining strategic insight with execution excellence.
01
Operational performance
- Technical consulting and project support
- OPEX budgeting, cost control, and performance improvement
02
Maintenance and reliability
- Development of optimized maintenance strategies based on asset criticality
- Implementation of Reliability Centered Maintenance (RCM) and Condition Based Maintenance (CBM)
03
Asset integrity and lifecycle
- Asset integrity management and lifecycle optimization
04
Organization, HSE and preparedness
- Workforce planning and staffing optimization for safe and efficient operations
- Emergency preparedness planning, including risk assessments and response strategies
- Regulatory compliance support and HSE advisory
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Digitalization and decision support
- Digitalization, operational data utilization, and performance analytics
- Stakeholder engagement and decision support in complex projects
Energy Transition Experience
Operational experience from the energy transition
Offshore Wind
Hywind Tampen
World's first floating offshore wind farm powering oil & gas operations.
Hydrogen / Ammonia
Fuella
Green hydrogen and ammonia solutions for maritime decarbonization.
The founder played a pivotal role in Hywind Tampen, the world's first offshore floating wind farm supplying renewable power to oil and gas fields. As Operational Manager, the founder built the operations organization from the ground up and led start-up and commissioning activities.
Today, Hywind Tampen delivers world-leading operational performance, based on the organizational foundations, operating principles, and maintenance strategies established during this phase.
The founder previously served as Head of Operations and Maintenance at Fuella, contributing to the development of green hydrogen and ammonia solutions aimed at reducing emissions in the maritime sector.
Founder
Founder · CEO
Ole Arild Larsen
22+ YEARS · EQUINOR
Founded on more than 22 years of operational leadership
Sustaino AS is founded and led by Ole Arild Larsen, with more than 22 years of leadership experience at Equinor across operations, maintenance and large-scale energy projects within both oil & gas and renewables.
Career highlights
- 01 Project Manager
- 02 Offshore Operations and Maintenance Manager
- 03 Platform Manager
- 04 Operational Manager
- 05 Head of Maintenance for large rotating equipment across Equinor's full asset portfolio
The founder is passionate about building strong organizations, establishing robust operating models, and delivering safe, reliable and cost-efficient operations in complex technical environments.
Outcomes
Practical value, grounded in operational reality
- /01 Achieve operational excellence
- /02 Optimize maintenance strategies and cost structures
- /03 Ensure long-term asset integrity and reliability
- /04 Reduce operational risk
- /05 Enable the energy transition through practical, executable solutions
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