scottschwieger

The 501F Users group is well known for its collaborative brand of user roundtable discussions and robust forum. What follows are recaps of user presentations from their 2020 meeting. More details on these and access to both the 2020 and 2021 conference presentations and resources are available at the 501F Users Group website and forum.

Shepard Energy Centre Owned by Enmax and Capital Power Operated by NAES Corp 860-MW, gas-fired, 2 × 1 combined cycle powered by M501G1 gas turbines and located in Calgary, Alta, Canada Plant manager: Terence Dumonceau Challenge. To protect against ice formation on inlet guide vanes (IGVs) and Row 1 compressor blades during cold-weather operation, the plant

Middletown Energy Center Owned by NTE LLC  Operated by NAES Corp  475-MW, gas-fired, 1 × 1 M501GAC-powered combined cycle located in Middletown, Ohio Plant manager: Dino Padilha   Challenge. Middletown Energy Center faced no operational challenges during its first six months in the PJM market, achieving high reliability during that period. However, it faced freeze-protection

New Harquahala Generating Co Owned by Talen Energy  Operated by NAES Corp  1080-MW, gas-fired, three-unit, 1 × 1 combined cycle located in Tonopah, Ariz Plant manager: Jeff Brady Challenge. The confined spaces at New Harquahala Generating Station were identified and numbered a few years ago. It appeared that during the initial project, the numbering and identification

Correcting ammonia permissive reduces emissions on startup Challenge. Several years ago, Athens Generating received a new air permit that placed strict limits on stack emissions during startups. The plant faced significant challenges maintaining the prescribed NOx limits for cold and warm starts. Control logic at the plant dictated that the control valve for the SCR