Benndale, Mississippi, USA
Cooperative Energy + Wärtsilä

Reference case

Sustainable power generation with the optimal balancing solution

Enabling an increase in variable generation with more flexible capacity that can rapidly start up when needed.

Intermittent renewable energy generation in the United States has seen a staggering 700% increase between 2008 and 2019, with solar and wind generation accounting for around 350 million MWh of power generation in 2019. The subsequent increase in variable generation means that flexibility is increasingly important in the energy system.

Cooperative Energy, a not-for-profit electricity cooperative covering 432,000 homes and businesses in the US state of Mississippi, was looking to upgrade one of its plants in order to help it supply affordable, flexible and reliable power. Wärtsilä’s comprehensive solution comprises a plant powered by two gas-fired Wärtsilä 31SG engine generating sets and covered by a 10-year service agreement.

WhoCooperative energy
What22,7 MW peaking gas power plant
WhereMississippi, USA


This is what we achieved


Flexible power generation to integrate high levels of energy from renewable sources.


Homes and businesses powered in Mississippi.

10 years

Optimised maintenance agreement.

I wanted to be satisfied with the technology and the people behind it, so we visited Wärtsilä’s factory and testing facilities and met the engineers. This is not just about a product, but the people. I needed to be comfortable with everyone involved in design, installation and maintenance. I was very impressed.

Jim Compton, President Emeritus of Cooperative Energy

How we did it

Challenge icon


  • Efficient power generation in a market with increasing levels of renewables
  • Mitigate financial and timing risks in construction
  • Resilient and reliable generation in a hurricane-prone region
  • Maintain the plant and its performance over the lifecycle
Solution icon


  • Full EPC delivery
  • Wärtsilä plant integrated with customer’s system
  • A flexible Wärtsilä 31SG gas power plant with the ability to respond rapidly to continuously changing load patterns of systems with renewables
  • 10-year Wärtsilä Optimised maintenance service agreement
Benefit icon


  • Efficient and flexible power supply with a reduced environmental footprint
  • One EPC supplier with full responsibility for both timelines and costs
  • Fast starting; ability to supply power to key facilities such as hospitals during a natural disaster
  • Ensure optimised plant performance and efficiency over the lifecycle

The main details

Customer Cooperative energy
Type Wärtsilä 31SG peaking gas plant
Where Mississippi, USA
Total output 22,7 MW
Fuel Natural gas
Scope EPC with 10-year maintenance services ageement



Would you like to know more?

Contact us

Contact us

Fill in a contact form and our experts aim to be in contact within 1-2 business days. Contact us »


Read our brochure

Read our product brochure to get all the details.


Find your local office

Find a Wärtsilä office near you.

Related solutions and services

Related materials

Trusted partner to the best companies in the world

Related press releases

Wärtsilä Energy. Let's connect.