Proving the Business Case for the Internet of Things

Swedish island becomes test bed for rural smart grid services

Steve Rogerson
May 12, 2015
A rural smart grid project is to be carried out on the Swedish island of Gotland in the Baltic Sea. The project will serve as a model for upgrading other rural grids to reduce environmental impact by integrating a high proportion of intermittent wind power in the distribution network. It also aims to deploy new technology to improve power quality.
Within the implementation phase, Swiss company ABB is building a 10kV smart substation in the village of Källunge, which uses the latest switchgear technology based on ABB's Unigear Digital concept. To process data from this substation and the rural grid, ABB is customising and delivering an advanced distribution management system (ADMS) and scada system.
The company is also installing switches equipped with safety and feedback functionality and equipping disconnectors with remote surveillance and control capabilities. The ADMS will locate and isolate fault zones from the rest of the grid and reroute electricity to reduce impact on consumers.
A further aim of the project is to give consumers the tools to participate actively in the energy market. End-user software is already in place, supplying participating consumers with applications that enable them to adjust their energy consumption in response to wind forecasts and price fluctuations.
“We are pleased to contribute our innovative technologies to help develop more flexible and sustainable energy systems and more intelligent and efficient electricity networks,” said Claudio Facchin, president of ABB’s power systems division.
The pilot is being run by Smart Grid Gotland, a joint-venture development project with Vattenfall, ABB, Gotlands Energi, Svenska Kraftnät, Schneider Electric, the Swedish Energy Agency and the Royal Institute of Technology.