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Ketut Dartawan

Ketut Dartawan

Pterra Founder

Ketut Dartawan is President, Cofounder, and Managing Principal of Pterra Consulting with 30 years of expertise in electric power systems. Specializes in research projects and system studies encompassing transmission, distribution, and interconnection of distributed energy resources (DER).

Successfully facilitated interconnection studies for over 3,000 DER projects, as well as large-scale wind and solar projects, along with managing the integration of 5,000 MW of nuclear and combined-cycle power plants. Conducted electric system studies globally, utilizing diverse power system analysis software for simulations including time series power flow, power system stability, switching transient study (TOV, TrOV, TRV), protective relay coordination, short circuit calculation, and power quality assessment.

Extensive experience in substation equipment, collaborating with vendors in the design, commissioning, and startup of 230 kV transmission lines and substations. Actively involved in conferences, article publications, and working groups focusing on DER integration and electric transmission systems.

A senior member of IEEE and consultant for the New York State Interconnection Technical Working Group, where he offers technical solutions for the DER Integration Process. He co-founded Pterra Consulting in 2004 after a tenure at Power Technologies, Inc. in Schenectady, New York (aka Siemens PTI).