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Maui Smart Grid Project (RDSI)
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Lead Organization:
Hawaiian Electric Company
HQ Location:
Maui, Hawaii
Project Contact Information:
 Mario Sciulli

Mario Sciulli
Project Manager
National Energy Technology Laboratory
626 Cochrans Mill Road
Pittsburgh, PA 15236-0940

Leon Roose
Principal Investigator
Hawaii Natural Energy Institute
School of Ocean and Earth Science and Technology
University of Hawaii at Manoa
1680 East West Road, POST 109
Honolulu, HI 96822

Project URL:
Project Summary:

The objective of this project was described as to develop and demonstrate a distribution automation solution that integrates dispatch of distribution assets (distributed generation, energy storage, demand response, renewable energy, and distribution automation) and bulk power assets (central generation, energy storage, renewable energy) to achieve system-level benefits. Ideally, the application of these new technologies would increase system reliability and improve power quality along with reducing costs to both the utility and its customers. The project had been broken up into two phases. In Phase One, energy management architecture is to be developed and validated to meet all
needs, focusing on energy management at the distribution level. In Phase Two, the capabilities are to be demonstrated at a Maui Electric Company, Ltd. (MECO) substation at Wailea on Maui. A major goal of the program was to incorporate advanced technology into the Maui grid that will allow for a reduction of peak energy consumption of at least 15% of the automated feeder upon completion. The 200 MW island system is expected to include roughly 72 MW of wind generation and over 15 MW of solar PV. As of June 5,
2013 12 MW of storage have been installed on the island.

- Enable Distribution System Assets to Support the Transmission & Generation Systems
- Using Microgrid-Based Distribution Resources in the Context of SmartGrid
- Integrate Legacy Systems with the Developed, Advanced Applications
- Increase System Reliability and Improve Quality Along with Reducing Costs to Both the Utility and its Customers

The project would also features Advanced Metering Infrastructure as a home portal, building automation, and tie-line dispatch control that allows dynamic control of power exchange between distribution system and transmission grid [1].

Project partners are [1]:
– Hawaii Natural Energy Institute, University of Hawaii
– Maui Electric Company
– GE Global Research
– Sentech, Inc.
– Hawaiian Electric Company
– GE Energy

Project Funding and Cost Share :
– $7M Federal Funds
– $8M Industry Funds/non-Federal

Technologies being deployed include [1]:
• Integrated Volt/VAr Control - Minimize Losses and Control Voltage Profile: GE ENMAC DMS, MECO cap banks, PV inverters
• Demand Management - Optimize consumption and enable direct load control: GE Smart Meters, GE Home Energy Manager/Smart Appliances, HECO Load Control “Energy Scout” equipment, GE ENMAC DMS
• Distributed Energy Resources (DER) Management - Provide MECO greater visibility in dist-level resources: GE Smart Meters, PV inverters, Wind forecast module

Key Milestones
- Site Selection for Demonstration (January 2012)
- Testing and Results Reporting (August 2013)
- Demonstration Equipment Installation (June 2013)
- Demonstration Site Testing Reporting (Through July 2014)

Targeted Benefits:

- Reduction of a Distribution System’s Peak Energy Consumption from the Transmission Grid
- Improved Voltage Regulation and Power Quality Within Selected Distribution Feeders
- Significant Increases in Distributed Solar Technologies Being Installed at Residential and Commercial Locations
- Reduction of Transmission Congestion

Additional Information:

1. Hawaii Public-Private Partnerships. Online [Available]: http://www.kedb.com/wp-content/uploads/2014/02/bruce-norman-ppt.pdf
2. Maui Smart Grid Project. URL: http://der.lbl.gov/sites/der.lbl.gov/files/griffin.pdf
3. Maui Smart Grid Project, HECO. URL: http://www.hawaiianelectric.com/portal/site/heco/menuitem.508576f78baa14...
4. Smart Grid Development, Maui Electric. URL: http://www.mauielectric.com/meco/Clean-Energy/Latest-Clean-Energy-News/S...


[1] Steve Bossart, "Renewable and Distributed Systems Integration Demonstration Projects", EPRI Smart Grid Demonstration Advisory Meeting, October 12-14, 2009. URL: http://www.smartgrid.epri.com/doc/15%20DOE%20RDSI%20Project%20Update.pdf

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