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News & in-depth analysis of offshore wind power and renewable energy markets, power purchase agreements, transmission networks, grids, energy storage, substations, supply interruption and transmission failures.

Latest News

North Sea Power Hub 'feasible', developers claim

North Sea Power Hub 'feasible', developers claim

Connecting North Sea wind farms with artificial islands is both technically and economically feasible, according to a consortium developing a proposed energy island system.

Bladt wins Vineyard substation order

Bladt wins Vineyard substation order

Danish fabrication firm Bladt Industries has been awarded the deal to supply the US's first commercial-scale offshore wind project with a substation.

Maine governor endorses PPA for Aqua Ventus demonstrator

Maine governor endorses PPA for Aqua Ventus demonstrator

Maine's governor has demanded the state's Public Utilities Commission (PUC) approve the long-term power purchase agreement (PPA) for output from a two-turbine, 12MW demonstration offshore wind farm.

PPA signed for world's first floating wind farm

PPA signed for world's first floating wind farm

Danish energy trading company Danske Commodities has signed a power purchasing agreement (PPA) for the world's first utiity-scale floating offshore wind farm.

Neighbourhood watch: Linked sites provide back-up power

Neighbourhood watch: Linked sites provide back-up power

A cable connecting two offshore wind projects in Denmark has been used for the first time to provide an emergency power supply in a show of neighbourly support.

Ireland plans 12GW renewables boost

Ireland plans 12GW renewables boost

Ireland has published a plan to increase its reliance on renewables from 30% today to 70% by 2030 by adding 12GW of additional clean energy capacity.

US multi-project offshore link comments sought

US multi-project offshore link comments sought

The US Bureau of Ocean Energy Management (BOEM) has called for expressions of interest in developing an offshore transmission system off the coasts of New York and New Jersey.

In Depth

Offshore wind more valuable than onshore in some areas

UNITED STATES: In densely populated regions such as the north-east, the proximity to major cities adds value to offshore wind projects, according to a new report.

Simplifying and lightening offshore turbines with compressed air energy storage

WORLDWIDE: Well-proven equipment and machinery can be deployed for the fast development of CAES-equipped wind turbines.

STX offers modular offshore substations

FRANCE: Maritime construction group STX France has launched a new modular design for offshore substations it said could cut energy costs by reducing delivery times, capital expenditure and operational costs.

Analysis: Siemens' radical substation plan

GERMANY: Siemens announced new significant potential for cost saving in grid technology for offshore wind at the EWEA Offshore conference and exhibition in Copenhagen last week.

Cabling standards hold key to cutting costs

The offshore wind sector is under significant pressure to reduce costs. One of the sectors where large savings could be made is the offshore electricity transmission network. We assess the contribution the German offshore network plan will make