Ketut Dartawan is Cofounder and Managing Principal of Pterra Consulting. He has 25 years of experience in electric power system, where he is engaged in research projects and a wide range of system studies in transmission, distribution, and interconnection of distributed energy resources (DER).

He has helped clients to connect more than 1,000 MW of renewable energy and over 5,000 MW of nuclear, combined cycle power plants, and other traditionally fueled generating stations. Mr. Dartawan has managed and conducted over 100 electric system studies in the United States and other countries.  In addition to the engineering skill he has applied to these studies, he has further utilized over a dozen power system analysis software to perform time series power flow simulation, short circuit calculation, power quality assessment, dynamic simulation, and transient simulation studies.

Mr. Dartawan has extensive experience with substation equipment and has worked with equipment vendors during the design, commissioning and startup of 230 kV transmission lines and associated substations.

Mr. Dartawan has spoken at numerous conferences, authored articles and participated in working groups on the subject of DER integration and electric transmission system.

He is presently a consultant for New York State Department of Public Service where he has been leading an effort for DER power quality assessment and a facilitator for the implementation and adaption of IEEE-1453 in New York. He has been with Pterra Consulting since 2004, before which he was with Power Technologies, Inc. in Schenectady, New York.