NEI was hired by the City of Colorado Springs to aid them in preparing the Wastewater Treatment Plant for Y2K.

A 1500 kW generator owned by the City Electric Utility was relocated to the Las Vegas Plant. NEI aided in the planning for feeding the plant from this generator. The Generator was connected to the plants medium voltage distribution system through a 1500 kVA transformer.

NEI did the generator control modification design, reprogrammed the Siemens S5 PLC, which was used for generator control, and designed the connection to the RTU for the City Electric Utility. The new generator configuration permits two operating modes.

The standby mode is used if utility power goes off. In this mode the plant electrical system is separated from the utility grid and the generator can provide most of the plants electrical needs.

The second mode is a peak shaving mode. The generator is configured to allow the Electric Utility to remote start the generator through the SCADA system. The automatic controls on the generator control the generator loading and the utility can use it for peak shaving.

NEI has also provided the electrical design for adding standby generators to the city water system pump stations and electrical planning for the city main water plant.

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