OPEX modelling for marine renewable energy technologies and projects

Online, 10:00-12:00 (BST) / 11:00:13:00 (CEST)

6 October 2021

OPEX modelling for marine renewable energy technologies and projects

Bringing novel offshore renewable energy technologies to market requires a strong connection between technology and commercial development.

While within a development team a shared strategy is needed to manage these interfaces the emerging industry as a whole can benefit from common practices and methods. One of the most obvious of these areas is in techno-economic analysis.

To ensure that the technology meets the expectations and  requirements in its target markets, uncertainties of the used techno-economic models should be reduced alongside the development of a new device.

In offshore projects, operational costs play a major role, not only due to their high percentage of overall project costs, but also because of the often remote location of installations, which leads to long mobilisation and travel times to perform unexpected maintenance activities.

In this master class the different approaches to modelling these costs are highlighted from both academic as well as industry perspectives, to demonstrate different approaches, models and philosophies to estimate OPEX for offshore technologies. This session has the target of comparing the advantages and down-sides of different approaches, especially with an emphasis on different stages of technical development.

This masterclass will focus on:

  • Introducing different approaches to model operational cost
  • Quantifying differences between different modelling approaches
  • Discussing suitability of different approaches for different development stages
  • Introducing a combined floating wind and wave energy O&M model
  • Integrating operational cost in techno-economic models and uncertainty analysis



All times in CEST

All sessions include a short Q&A session

11:00 – 11:15 

Introduction to webinar and the OPIN project

Simon Stark - Dutch Marine Energy Centre

11:15 – 11:40 

Benefits of detailed O&M models to quantify investment KPIs Anna Garcia-Teruel – The University of Edinburgh

11:40 – 12:00

A developers perspective on O&M models for devices and projects

Nis Ebsen – Floating Power Plant

12:00 – 12:25

A combined floating wind and wave energy O&M model

Anthony Gray – Offshore Renewable Energy Catapult

12:25 – 12:40

Relevance of OPEX estimates in project modelling and uncertainty analysis

Annicka Wann – Exceedence Ltd.

12:40 – 13:00

Final Q&A



Masterclass attendance is free, under the following conditions:

  • Please fill out the registration form available below
  • Attendees should belong to Small and Medium Enterprises (SMEs)
  • Attendees should be OPIN members. If your organisation is not listed here, please fill out the following Membership Form. OPIN registration is quick, free and gives access to an international network of more than 400 members and activities dedicated to offshore renewable energy.
  • max 2 pers. from the same organisation. The organisation team reserves the right to limit to 1 person per organisation depending on the number of registrations.

The total number of attendees will be limited to 20 people.









Please register here

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