Case Study: EDSA

How Awesense helped the Electricity Distribution and Supply Authority (EDSA) develop analytics for summary reports on transformer loading and power flows.

BC Hydro
Scope Snapshot
Goal

Evaluate transformer loading conditions and phase load balance of EDSA’s distribution grid

The Data
  • Grid Topology & Association
  • Transformer Nameplate Information
  • Awesense Raptors
Awesense Tools Used
  • Energy Data Model (EDM)
  • EDM data ingestion APIs
  • EDM data retrieval APIs
  • True Grid Intelligence (TGI) web app
  • Awesense Raptor line sensors
  • TGI mobile app

The Challenge

The Electricity Distribution and Supply Authority (EDSA), a distribution utility in the western area of Sierra Leone, lacked situational awareness of assets in their electric grid. This prevented them from identifying technical losses, power flows, and load bottlenecks in their grid that resulted in inefficiencies and lost costs.

The Solution & Results

The company worked with Awesense to install Raptor sensors, our grid enhancing device that connects directly to distribution lines to collect several power measurements at once.

Leveraging data streaming from the Raptor sensors, Awesense deployed analytics tools to help the team determine the load, efficiency and power loss of transformers, thereby understanding their risk of failure on the grid. The analytics tools greatly enhanced EDSA’s asset management processes and summary reports, enabling timely transformer replacement decisions. This led to increased grid reliability and fewer outages caused by overloaded transformers. It not only improved reliability indicators but it also increased cost savings in investments substantially.

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