Carlyle Group increases efficiency with GE’s ASP technology
After encountering operational issues due to rotor vibration, The Rhode Island State Energy Center enlisted GE to upgrade their D-11 steam turbine with Advanced Steam Path technology.
Overview
The Carlyle Group’s 583MW combined cycle plant received the Advanced Steam Path upgrade and became one of the first units of its kind to be remotely monitored by GE’s Monitoring & Diagnostics Center.
The challenge
At its 583 megawatts (MW) combined cycle plant in Johnson, Rhode Island, the Rhode Island State Energy Center faced operational issues when it encountered rotor vibration and other aging steam turbine concerns.
The solution
GE provided an Advanced Steam Path (ASP) upgrade for the site’s D-11 steam turbine. This solution could be installed within a routine outage, allowing the plant to return to operation without any additional downtime. As part of the project the plant became one of the first units of its kind remotely monitored by GE’s Monitoring & Diagnostics (M&D) Center, allowing the site to foresee any arising issues.
Outcomes
ASP upgrade leads to increase in output and revenue
$4 million
average yearly revenue increase
26 MW
increased output
GE’s advanced technology increased the plant’s overall output capacity by about 26 megawatts (MW)—which will allow the site to increase average revenue by more than $4 million per year over the next five years.
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