Page 50: of Marine News Magazine (March 2019)

49 51

HYBRID PROPULSION cent Harbor Harvest Hybrid project taking place on Long to propel the vessel at 16 knots. The XPAND battery system

Island Sound is another example of this generational shift. uses XALT’s pouch format lithium-Ion cells and assisted

The recognition by the Marad Administration, Department Harbor Harvest in meeting a 100% U.S manufacturer/U.S. of Transportation as a designated Marine Highway project built requirement for Marine Highway grant applications. indicates the importance of delivering new marine transpor- Their XMP71P-based system is deployed worldwide on tation without environmental impact. Partnered with the many commercial transit buses and trucks and recently re- newly formed Connecticut Port Authority, Harbor Harvest ceived Type Approval from DNVGL. Shore based charging will deliver local New England and New York family farm will be available at terminal locations with new charging products in April of 2019 across Long Island Sound by re- connections supplied by Lutron Electronics of New York.

frigerated Hybrid Catamarans without emissions. The U.S. marine Hybrid development path is following

The Hybrid vessels, built at Derecktor Shipyards in Mama- the Hybrid & EV marine applications that have quickly be- roneck New York, are part of a continuing series of Hybrids come a standard in Norway. Ferry new construction using developed at the shipyard. The frst two developed as research both full electric applications and Hybrid systems grows vessels working in Long Island Sound and Rockaway inlet. each day in number and in total kWh power. We have seen

The third in the series is the frst U.S. built Hybrid cargo over 16 U.S. information requests for new ferry services and vessel, a catamaran with refrigerated cargo space and the ca- vessels within the New York area alone in recent months. pability to lift over 12,000 pounds or roughly 28 pallet loads. Hybrid is not only here, it is growing, and with that growth

Marad’s interest peaked when the existing Marine High- it will soon reach far beyond coastal applications.

way legislation designating projects that moved truck,

Robert Kunkel is President of Alternative trailer or ISO container was modifed in 2016 to include

Marine Technologies. He previously served pallet, box and loose equipment. Harbor Harvest sub- as the Federal Chairman of the Short Sea mitted their designation application with that legislation

Shipping Cooperative Program under the change and was approved in July 2018.

Maritime Administration and Department

The vessel employs two BAE Hybridrive systems, one in of Transportation from 2003 until 2008. A past Vice Presi- dent of the Connecticut Maritime Association, he is a contrib- each pontoon driving an AC motor for propulsion. Two uting writer for Maritime Professional Logistics Magazine

Cummins series QSB 6.7 engines with BAE Hybrigen and MarineNews. A graduate of the Massachusetts Maritime variable speed generators are used to charge XALT Energy

Academy, Kunkel sailed as a licensed engineer and eventually

XPAND water-cooled battery systems the actual energy continued his career in ship construction at myriad venues.

source driving the vessel. Each battery pack delivers 45kWh

March 2019

MN 50