7F Users Group

AES Huntington Beach Energy AES Alamitos Energy Owned by AES Southland Operated by AES Corp Each plant, rated a nominal 674 MW, is a 2 × 1 combined cycle powered by GE 7F.05 gas turbines and Siemens SST6-5000 steam turbine, located in Huntington Beach, Calif Plant manager: Weikko Wirta Challenge. Achieve world-class starting reliability. Solution. […]

Faribault Energy Park Owned by Minnesota Municipal Power Agency Operated by NAES Corp 265 MW, 1 × 1 7F-powered combined cycle equipped with a GE A10 steam turbine, located in Faribault, Minn Plant manager: Shawn Flake Challenge. Combined-cycle powerplants have changed their operating profiles to accommodate grid demands for flexible generation. Example: MISO territory has

Plant Wansley CC Owned by Southern Company Operated by Southern Power 1073 MW, two 2 × 1 7F.04-powered combined cycles equipped with GE D11 steam turbines, located near Carrollton, Ga Plant manager: Mike Moro Challenge. During an outage, when the generator does not contain hydrogen, the control system didn’t have an obvious way of indicating

Seasoned owner/operator personnel tackle the biggest industry issues  The depth and breadth of experience represented by 11 owner/operator presentations at the 2023 7F Users Group Conference can be summed up like this: Chronologically, they represent machines dating back to the original F-class gas turbines (GT) off of the test stands in 1988. Numerically, these users

After reading the high-level summaries of the vendor presentations from the 2023 7FUG presented here, go to www.powerusers.org and look at the slides, available for viewing to user members of Power Users (user non-members will have to apply and be approved by the leadership). If you are responsible for 7Fs in your fleet, the editors

By Rishi Velkar and Todd Robison, NV Energy Combined-cycle plants built during the construction boom of the late 1990s/early 2000s are now about 70% through their 30-yr design lives. Although not originally designed to cycle, ever-increasing amounts of solar energy readily available on the grid, especially in the Southwest, make it economically prudent for these

As we prepare for the upcoming 7F Users Group annual conference in Atlanta, May 15-19, let’s take a look back at some of the most pertinent vendor presentations from last year, many of which will be updated and presented this year. Good to have some background details and foundational information of the non-OEM solutions for

With the 33rd annual meeting of the 7F Users Group less than a week away in Atlanta, we take a look back to its first meeting many moons ago to provide some historical perspective on the humble beginnings of what has become the world’s largest fleet of heavy industrial gas turbines (likely to hold that

Rumford Power LLC Owned and operated by Cogentrix Energy Power Management 270 MW, gas-fired 1 × 1 7FA.03-powered combined cycle equipped with a Nooter Eriksen HRSG and a GE A10 steam turbine, located in Rumford, Me Plant manager: Justin Castagna Reduce O&M cost by cutting energy consumption when offline Challenge. The operational profile for Rumford