South Substation Emergency Transformer Replacement
Location Denver, CO Project Description Due to a transformer failing, an emergency installation of a spare transformer was needed to be done within an accelerated timeline. Outcome Working closely with the construction crews and the utility, PRE provided all the design specifications necessary, and on-site field support to help get the spare transformer installed and […]
Rosedale Substation Upgrades
Location Greeley, CO Project Description This was a two stage project in which large scale upgrades where necessary for the substation, including rebuilding the existing substation, terminating new transmission lines, and adding a new transformer and switchgear. Outcome This was a two stage project with PRE as the main engineering consultant. In 2014 -2017 the […]
Greeley Substation Upgrades
Location Greeley, CO Project Description In order to support system upgrades, a rebuild of a large existing substation, which included three transmission lines, two distribution banks, two transformers, one 44kV transmission line, and two 115kV capacitor banks was necessary. Outcome As the lead engineering consultant, PRE designed and supported the rebuild. In addition, the existing […]
Leetsdale Substation DFR Installation
Location Denver, CO Project Description The client needed to install two DFRs for their 115kV and 230kV transmission assets. Outcome PRE provided the design, preliminary settings, and procurement support to help move this project forward at an accelerated pace as directed by the client, and the DFRs were fully in service within a year from […]
Imboden Substation Interconnection Upgrade
Location Bennett, CO Project Description For the interconnection of a 1.5MW Solar installation, the utility not only needed the usual upgrades for the interconnection, but also the development of a new 3V0 detection protection scheme. Outcome As the lead engineering consultant supporting the interconnection of a 1.5MW Solar installation on to the utility’s system, PRE […]
Article: Winter Storm Forces Blackouts Across Texas
An informative article on the recent winter storm and rolling blackouts in Texas Winter Storm Forces Blackouts Across Texas By Jeff St. John (Greentech) Unprecedented winter storms have hit Texas so hard and forced so many power plants offline that rolling grid outages that began Sunday night have grown into hours-long blackouts leaving about 2.5 […]