Powering the world

Antelope Station, Texas



“Wärtsilä engines start very quickly and are efficient units”
- Mark W. Schwirtz, President & General Manager, GSEC



Fluctuationg output from wind generation

Fluctuating load due to irrigation proccesses

Scare water resources

Hefty temperature variations:
-10- 105ºF (-23- 41ºC)

Very tight project schedule


Internal combustion engines with excellent ramp rates

Multi-unit plant

Closer-circuit radiator cooling

Two different cooling water configurations

Seasoned project team working in close cooperation with the costumer


Excellent operational flexibility & increased revenue from selling balance capacity

Very high efficiency over the whole load range & no start/stop penalties

Negligible water consumption

Nominal plant output and efficiency reached both in winter and summer

Delivery ahead of schedule in order to meet changed customer needs

The Golden Spread Electric Cooperative (GSEC) is a consumer-owned utility that provides power to 16 member distribution cooperatives serving 208,000 end consumers in the Southwest Power Pool (SPP) in the United States. One of the markets catered for by this electric energy network is Texas, a windy and arid area characterised by significant quantities of wind power generation. 

  • Read the whole story

Main data

   Customer   GSEC (Utility)
   Type   Wärtsilä 34 gas grid stability
   Operating mode   Peak load/stand-by & emergency
   Gensets   18 x Wärtsilä 20V34SG 
   Total output   170 MW
   Fuel   Natural gas
   Scope   EEQ (engineering & equipment)
   Delivered   2011

Related downloads

Read the Antelope Station success story in this brochure

Check out this video to see how our customers benefit from our delivered solutions

Find in-depth info about our gas and multi-fuel power plant solutions in this brochure

Contact info

If you want to know more about the Antelope Station project, please contact

Dan Shelledy
Senior Business Development Manager
US, Canada & Caribbean
Wärtsilä Energy Solutions
+1 2812336216

© 2019 Wärtsilä