April 1, 2015: CEC Awards Bosch-Led Team $2.8 Million to Demonstrate DC Microgrid
Bosch DC Microgrid Said to Enable a Simpler Way to Achieve Net Zero Energy
FARMINGTON HILLS, Mich. — The California Energy Commission (CEC) has announced a proposed award to Robert Bosch LLC for $2,817,566 to demonstrate a high-penetration, renewable-based microgrid. With this award, Bosch will demonstrate the effectiveness of its Direct-Current Building-Scale Microgrid Platform (Bosch DC microgrid) in an American Honda Motor Co. Inc. parts distribution center. The project is designed to illustrate the viability and benefits of a commercial-scale DC building grid compared with conventional AC-based grid-connected solar photovoltaic (PV) systems or microgrids.
Bosch said its DC microgrid project will provide a low-cost, highly energy-efficient solution in which the DC microgrid connects rooftop solar PV arrays to energy-efficient DC lighting, DC ventilation, and DC energy storage systems on a 380-volt DC bus to form a DC building grid. The approach allows commercial buildings to become net zero energy in a cost-effective manner.
“We are confident the Bosch DC microgrid system will contribute to California’s carbon reduction and energy efficiency goals by increasing the reliability and utilization of distributed renewable energy and improving the energy efficiency of state-of-the-art technologies — such as LED lighting paired with advanced lighting controls, motors with variable frequency drives, and energy storage systems — by operating them on DC power,” said Oliver Steinig, vice president of business development for Robert Bosch LLC. “This will reduce installation costs and lower operating costs, while increasing reliability and quality of the power provided to building loads.”
Bosch will use this project to demonstrate the feasibility and benefits of a commercial-scale DC building grid that integrates multiple advanced technologies to provide reliable power to the loads on the DC grid, resilience during grid outages, increased energy efficiencies, and renewable energy utilization. Once the project is installed and commissioned, performance data will be collected to validate the cost savings, energy efficiency gains, and the capabilities of the advanced microgrid energy management system.
The project will directly enhance the technical understanding of how to integrate and optimize distributed renewable energy generation into the California distribution infrastructure, pave the way for introduction and large-scale adoption of cost-effective and energy-efficient DC power distribution architectures, and establish a complete supply chain for system integration through various partnerships.
To provide design, engineering, and performance validation expertise for the Bosch DC microgrid, Bosch has partnered with Navigant Consulting and the California Lighting Technology Center (CLTC), UC Davis. Additionally, Bosch will partner with a number of California-based companies, including Maxwell Technologies and Imergy Power Systems, for the complete technology supply chain.
Together, Bosch and its partners provided $1,790,095 in in-kind and matching funds to assist in the development, planning, and execution of the project.
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Bosch plans to begin the project once the contract with the California Energy Commission is signed and conclude the project by February 2018.
For more information, visit www.boschusa.com.
Publication date: 3/30/2015
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