Diamond WTG president and CEO Harm Toren said: "We are honored to have been selected by MidAmerican Energy Company as their preferred Independent Service Provider (ISP) to ensure this energy complex operates at maximum efficiency.

"It is also a reflection of our commitment to set the industry’s standard of excellence in providing 24/7 support to a generation of renewable energy facilities crucial to America’s future."

Toren continued: "During 2016, we expect to continue to expand our portfolio of ISP customers as we demonstrate a multidisciplined approach to addressing the needs of owners that share our vision in how wind turbine technology can power our nation while contributing to environmental protection."

As part of the Mitsubishi family, Diamond brings to customers a unique combination of industry experience, engineering, research and development, proven project management, and execution capabilities.

MidAmerican energy company renewable energy vice president Mike Gehringer said: "As an industry leader in owning and operating wind generation, we look forward to working with Diamond to optimize the performance of our fleet at our Century and Intrepid wind farms."