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First projects selected to support green innovation and help decarbonise North Sea

24 March 2023

Crown Estate Scotland has announced the results of the world’s first leasing round designed to enable offshore wind energy to directly supply offshore oil and gas platforms. INTOG (Innovation and Targeted Oil & Gas) leasing aims to attract investment in innovative offshore wind projects in Scottish waters, as well as help decarbonise North Sea operations.

Image: Crown Estate Scotland
Image: Crown Estate Scotland

The INTOG process allowed developers to apply for seabed rights to develop offshore wind projects that either reduce emissions from the North Sea oil and gas sector – by supplying renewable electricity directly to oil and gas infrastructure (TOG) – or consist of small-scale (IN) innovative projects of 100MW or less.


INTOG, which has been designed in response to demand from government and industry to help achieve the targets of the North Sea Transition Sector Deal through decarbonising North Sea oil and gas operations, will also further stimulate innovation in Scotland’s offshore wind sector, create additional supply chain opportunity, assist companies to enter the renewable energy market, and support net-zero ambitions, Crown Estate Scotland said in a statement.


The successful applicants have now been offered initial agreements – called Exclusivity Agreements – that, if they accept the offers and proceed to sign them, enable them to start offshore wind development work while the Marine Scotland’s planning process for the INTOG Sectoral Marine Plan (INTOG SMP) is completed.


If a successful proposed project is in the final INTOG SMP, an option agreement will be offered. Projects will then go through planning, consenting, and financing stages. Responsibility for these next steps does not sit with Crown Estate Scotland, and projects will only progress to a full seabed lease once all these various planning stages have been completed.


Highlights include:


- 13 projects out of a total of 19 applications – five for IN and eight for TOG – have been offered Exclusivity Agreements.


- Once the Sectoral Marine Plan has been finalised and option agreements signed (expected 2024), around £262m in applicant fees will be secured. Once projects are operating, further revenues will be secured. All net revenues from Crown Estate Scotland go to Scottish Government for public spending.


- The area of seabed covered by the IN projects is just over 139km2 and by the TOG projects 1534km 2 (a maximum of 1900km2 was made available for TOG projects and 167km2 for IN through the Scottish Government’s Initial Plan Framework)


- Crown Estate Scotland will offer a seabed lease of 50 years for TOG projects and 25 years for IN projects.


- Exclusivity Agreements will cover projects with a proposed capacity of up to 499MW for IN and 5GW for TOG.


Colin Palmer, Director of Marine at Crown Estate Scotland, said: “Today’s results for this very distinctive and targeted leasing round are extremely encouraging. INTOG provides a range of practical ways to support innovation, reduce North Sea carbon emissions, and encourage technical and commercial innovation in the offshore renewables market.


“In addition to delivering economic and environmental benefits, INTOG will generate funds for the Scottish Government, from initial fees when option agreements are signed, to ongoing rent payments when the projects are constructed and move to operation. There are still significant challenges that need to be addressed to ensure INTOG’s many opportunities are realised fully, but today marks a real step forward.”


Michael Matheson, Net Zero & Energy Secretary, said: “This milestone in the INTOG leasing round is the next step in realising another world leading opportunity for Scotland’s energy transition: helping both decarbonise our existing oil and gas operations while helping our offshore wind sector to expand, innovate and deliver on our ambition to be a renewables powerhouse.


“The announcement from Crown Estate Scotland not only indicates that the INTOG initiative will provide a significant contribution to the public purse but ensure the continuing growth and development of Scotland’s offshore expertise and wider supply chain, supporting a true just transition for our energy sector.”


INTOG contract awards were determined on a largely open-auction basis and were judged on a mixture of price and quality.


Option agreements are expected to be offered in 2024. To secure an option agreement, developers must provide a Supply Chain Development Statement (SCDS). Information from these Statements will then be published.


The details of the 13 applicants who have been offered Exclusivity Agreements can be found below. Further information including a map of INTOG seabed areas can be found here.


Map reference
Lead applicant
Option Fees
IN or TOG
Total capacity (MW)

Bluefloat Energy/Renantis Partnership 
£5,401,360
IN
99.45

Bluefloat Energy/Renantis Partnership 
£7,107,900
IN
99.45

Simply Blue Energy
£9,972,000
IN
100

BP Alternative Energy Investments 
£1,670,917
IN
50

ESB Asset Development UK 
£3,137,000
IN
100

Flotation Energy 
£54,893,102
TOG
560

Flotation Energy 
£40,987,979
TOG
1350

Cerulean Winds 
£67,200,066
TOG
1008

Cerulean Winds 
£35,200,098
TOG
1008
10 
Cerulean Winds 
£35,200,098
TOG
1008
11 
TotalEnergies 
£200,000
TOG
3
12 
Harbour Energy 
£405,000
TOG
15
13 
Harbour Energy 
£405,000
TOG
15
Total 
(rounded) 
 
£261,780,521 
 
 
 


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