Rolls-Royce to showcase new B36:45 Gas Engine Series for Power Generation at PowerGen International

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Rolls-Royce to showcase new B36:45 Gas Engine Series for Power Generation at PowerGen International

29 November 2018

  • Introduction of new B36:45 Rolls-Royce gas engines to the American market with up to 50 per cent efficiency
  • Engines set a new standard with exceptionally low fuel consumption and emissions levels
  • Perfect fit for hybrid systems with renewable energy sources 

Rolls-Royce will be presenting power plant solutions based on medium speed engines on stand #2211  at the PowerGen International in Orlando from 4 to 6 December 2018.

Since Rolls-Royce delivered its first medium speed gas engine in 1991, the Bergen engines have logged millions of operating hours in a broad range of applications in both land and marine environments. The current portfolio consists of the small and flexible C26:33 (1,4-2,4 MW), the well proven B35:40 (3,9-9,6 MW), and the new and modern B36:45 (3,5-12 MW) gas engines.

“Our new and modern B36:45 gas engines build on the success of the B35:40-series and offers a variety of new benefits to our customers. Power output has been increased with 20 percent up to roughly 12 MW, it has low life cycle costs, and offers up to 50 per cent efficiency. Hence, the engines also have exceptionally low fuel consumption and emission levels. We believe the new series is truly engineered for the future, and it’s a pleasure that we’re now introducing it to the American market,” said Markku Aspholm, Director Americas, in Bergen Engines AS, which is a part of Rolls-Royce Power Systems.


All the Rolls-Royce medium speed engines come in numerous configurations and are applicable for different operational modes. This includes baseload, grid balancing and peaking, and thus perfect to support variable renewable energy sources in hybrid systems. Multiple units arranged in modular power plants in the range 20MW-1GW provide the required flexibility whilst ensuring economical operation at any power plant output level.

Designed to run with air excess ratio around 2.0 and above, the engines have excellent capability to meet quick and frequent load changes, which is essential for island-mode operation, such as isolated operation of microgrids. Start times of 3 minutes from start command to rated power output have been committed to, using the B35:40V20AG2 genset.

By utilising the engine’s waste heat, in combined cycle or CHP, total efficiency can reach over 95%. This is currently used extensively in district heating applications or trigeneration applications, where heat is used locally and the electrical power is either consumed locally in a micro grid or exported to the national grid.

A medium speed power plant can be built anywhere, and is tailored to meet the specific requirements in every case due to its versatile building blocks. Rolls-Royce offers modular and flexible power plant arrangements that have been developed over many years based on experience from a vast range of operating conditions from very low to very high ambient temperatures (-50C to +50C), and from very dry to tropical conditions.

Rolls-Royce’s power plant solutions enables the energy transition towards a greener future, with economical and reliable balance and backup  power to the grid, or as the back-bone of microgrids.

Press photos are available for download from www.rrpowersystems.com/press

Read more about Rolls-Royce power generation based on medium-speed engines at www.rolls-royce.com/bergen

About Rolls-Royce Holdings plc

  1. Rolls-Royce pioneers cutting-edge technologies that deliver the cleanest, safest and most competitive solutions to our planet’s vital power needs.
  2. Rolls-Royce Power Systems is headquartered in Friedrichshafen in southern Germany and employs around 10,000 people. The product portfolio includes MTU-brand high-speed engines and propulsion systems for ships, power generation, heavy land, rail and defence vehicles and for the oil and gas industry. Under the MTU Onsite Energy brand, the company markets diesel gensets for emergency, base load and peak load applications as well as cogeneration plants using gas engines for the combined generation of heat and power. Bergen medium-speed engines power ships and power generation applications.
  3. Rolls-Royce has customers in more than 150 countries, comprising more than 400 airlines and leasing customers, 160 armed forces, 4,000 marine customers including 70 navies, and more than 5,000 power and nuclear customers.
  4. Annual underlying revenue was £15 billion in 2017, around half of which came from the provision of aftermarket services. The firm and announced order book stood at £78.5 billion at the end of December 2017.
  5. In 2017, Rolls-Royce invested £1.4 billion on research and development. We also support a global network of 31 University Technology Centres, which position Rolls-Royce engineers at the forefront of scientific research.
  6. Rolls-Royce employs almost 55,000 people in 50 countries. Approximately 19,400 of these are engineers. The Group has a strong commitment to apprentice and graduate recruitment and to further developing employee skills. In 2017 we recruited 313 graduates and 339 apprentices through our worldwide training programmes.

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