Wärtsilä 34SG Balancer

The Wärtsilä 34SG Balancer is a four-stroke, spark-ignited, lean-burn gas engine generating set.

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Wärtsilä 34SG Balancer - gas engine generating set

The Wärtsilä 34SG Balancer is optimised for balancing renewable power generation and provides flexible yet affordable peak demand generation and firming for energy systems with a high and growing share of renewables. It also offers unique fast-starting capability, which enables rapid response to fluctuations inherent to renewable generation. Wärtsilä engine power plants can be delivered both as EPC and Equipment Delivery contracts.

Key benefits

  • High power density for balancing and peaking applications
  • No start cost, limitations nor degradation in number of starts
  • Minimal water consumption
Flexible
  • Fast starting and loading capabilities: connects to grid in 30 seconds and reaches full load in 2 minutes
  • Runs on natural gas, biogas, synthetic methanol and is capable of hydrogen blending
Flexible

Customer stories

Our proudest numbers

2 min

to full load

47.6%

Electrical efficiency

 

10.8MW

Electrical power

 

The details

Technical data

Power generation set
Cylinder configurations20 V
Cylinder bore340 mm
Piston stroke400 mm
Engine speed750 rpm (50 Hz), 720 rpm (60 Hz)
Performance
Rated electrical power (kW)10 777 (50 Hz) 10 368 (60 Hz)
Electrical efficiency (%)47.6 (50 Hz) 47.5 (60 Hz)
Heat rate kJ/kWh7 560 (50 Hz) 7 586 (60 Hz)
Loading and unloading
 Connected to gridFull load
Regular start time (min)< 2< 5
Fast start time (min:sec)00:30< 2:00
Stop time (min)1
Ramp rate (hot, load/min)> 100%

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Build your own power plant

1MWh

1MW

100MW

200MW

300MW

400MW

> 500MW

Liquid fuels

Natural gas

Liquid fuels and gas

Flexible baseload (>6000 running hours annually)

Intermediate load (2000 - 6000 running hours annually)

Peaking and grid stability (<2000 running hours annually)

Emergency

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