Siemens behind microgrid for Native American reservation

Siemens Energy and Schatz Energy Research Centre from California’s Humbold University have teamed up to develop a microgrid for the Blue Lake Rancheria Native American reservation in California.

The microgrid will supply electrical power to the reservation’s key buildings and institutions across 0.4 square kilometres.
Blue Lake Rancheria Native American
The tribal government building, businesses, a hotel and critical Red Cross safety shelter-in-place facilities, among others, will be supplied. In coordination with the local utility Pacific Gas & Electric, the microgrid – a regional and island network capable intelligent power distribution grid – will enable the reservation to cover its future energy demand independently and ecologically without a significant risk of blackouts or power interruptions.

The microgrid is planned to be installed and operational by fall 2016.

The assets to be integrated into the microgrid system include a photovoltaic plant with a power output of 0.5 megawatts, a biomass fuel cell system and diesel generators for generating electrical power as well as a battery storage system with a working capacity of 950 kilowatt hours (kWh).

The microgrid’s photovoltaic plant will be the largest in California’s Humboldt County. It is expected to help save 150 metric tonnes of CO2 each year. The microgrid energy management solution based on the Siemens network control system Spectrum Power supports unmanned operation and runs on a SCADA (Supervisory Control and Data Acquisition) platform.

The network control system will handle control and energy management functions of the local power supply grid. Supplemented by integrated weather and load forecasting tools of the grid control system, the reservation will be able to accurately predict power consumption in order to control the distributed power generation systems and storage units dynamically and energy efficiently.

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