GE ESP steam turbine

General Electric has won orders for upgrading two power plants in the US, along with two more orders for turbine delivery and maintenance at two Mexican energy projects.

The firm will be responsible for Enhanced Steam Path (ESP) upgrade on the GE D-11 Steam Turbine at Entergy Rhode Island State Energy (RISE) owned power plant in Johnson, Rhode Island, under the first order.

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The planned upgrade is ongoing and expected to improve the 583MW natural gas-fired, combined-cycle energy facility’s output by 26MW.

It will have the potential to increase the average electrical revenue for the power plant by more than $4m annually over the following five years.

Entergy RISE vice-president Andrew Rosenlieb said: "GE’s Enhanced Steam Path upgrade will allow us to solve our vibration issues in a cost-effective way, while improving performance and adding additional capacity and energy capability to a plant in a capacity constrained region of ISO-NE."

GE will also be upgrading its D-11 Steam Turbine at the Elk Hills facility in Tupman, California in March 2016.

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Also planned as an ESP upgrade, the project will expand the plant’s capacity by around 3MW and increase its efficiency by 1%.

Elk Hills power plant team leader Bob Bond said: "GE’s solution focused on adding value through a significant reduction in our outage cycle, which was achieved through the ESP. Unit reliability and availability are critical to this project as well as the additional megawatts and increased efficiency."

Orders for the Mexican power plants have been awarded by Iberdrola Generation Mexico.

"These plants will help the country produce the efficient and reliable energy it needs at home and to better compete in the global marketplace."

Under the order, GE will be delivering two of its 6F.01 gas turbines and long-term services for two cogeneration projects in the country.

While one of the plants is located in Altamira, within the state of Tamaulipas, the other is in San Juan Del Rio, within the state of Querétaro.

Both plants will operate on co-generation technology, have a combined capacity of approximately 100MW, and are expected to start commercial operations in 2017.

GE Power gas power systems Mexico, Central America and the Caribbean executive sales manager Marco Vera said: "These plants will help the country produce the efficient and reliable energy it needs at home and to better compete in the global marketplace."

Image: GE to conduct two Enhanced Steam Path (ESP) upgrades at two facilities in Rhode Island and California. Photo: courtesy of General Electric.