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A member of ERG was responsible for the performance of extensive large area load flow, transient stability and inter-pool transfer studies concerning the MANDAN Project, a proposed 700 mile long, ±450 kV bipolar, three terminal, EHVDC transmission line between Manitoba, Canada and Hoskins, Nebraska. In addition, transient network analyzer studies were performed. This proposed $900 million project presented critical regional reliability issues as result of its planned design to nominally transfer 2000 MW on a seasonal diversity basis between the Manitoba Hydroelectric Board and Nebraska Public Power District. A member of ERG coordinated the study efforts with RTE-ASEA of Sweden, the planned manufacturer of the Project’s thyristor valves and invertor/convertor equipment.
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ERG was retained by OCI, Inc. a large western U.S. mining concern, to provide litigation support and expert testimony in cases brought before the Wyoming Public Service Commission and the Federal District Court for Wyoming concerning issues related to the financial losses suffered by its Wyoming Trona mine resulting from the supplying investor-owned utility’s electric transmission operation and maintenance practices, which resulted in power quality and reliability issues.
ERG was retained by North American Stainless, Inc., a specialty steel producer, to investigate the existence and impact, if any, of significant power quality issues being alleged by the electric utility serving the mill. These issues resulted from the catastrophic failure of the mill’s static var system (SVC). ERG analyzed the extent to which the mill was producing harmonic voltages and currents with reduced SVC operation, in comparison to allowable limits under applicable U.S. and international standards. In addition, ERG analyzed the potential for problems which could occur at the utility’s nearby generating station, as a result of harmonic distortion reflected into the transmission system. ERG sponsored expert testimony in a complaint proceeding before the Kentucky Public Utilities Commission regarding a proposed special tariff which was recently filed by the utility for service to the mill.
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ERG provided consulting assistance to Intrawest Corporation, Vancouver, Canada regarding issues concerning the relocation of several miles of a 115 Kv transmission line in New Jersey owned and operated by Public Service Electric & Gas Co. Intrawest had requested that the line be relocated to minimize visual impacts associated with the development of the Pine Mountain Ski Resort. ERG analyzed the proposed costs of the planned relocation and identified approximately $3 million in savings for Intrawest. ERG provided assistance to Intrawest’s legal counsel in proceeding with requesting a private letter ruling from the Internal Revenue Service concerning tax issues associated with proposed transaction.
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