© Wärtsilä Document ID DBAE867208 Revision -.14CONFIDENTIAL

NEW WÄRTSILÄ GAS AND DUAL FUEL ENGINESGas, Energy Storage & Hybrids SymposiumMiami USA / April 2018

Jani MäkinenSenior Development ManagerWärtsilä Energy Solutions

1

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WÄRTSILÄ ENERGY SOLUTIONS

40 years in power generation business

4892 projects

Total delivered capacity 67 GW

In 177 countries

ENGINE POWER PLANTS

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MEGA TRENDS – CASE CALIFORNIA

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MEGA TRENDS – CASE CALIFORNIA

FRIDAY APRIL 20 2018

~ 11GW

Source: caiso.com

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MEGA TRENDS

Increasing role of gas

Rapidly increasing

renewables

Emerging storage

technology

Declining inflexible baseload generation

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THE NEW WÄRTSILÄ 31

”The most efficient 4-stroke engine in the World”

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THE NEW WÄRTSILÄ 31

Fuel flexibility, 3-in-one

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DEVELOPMENT TIMELINE

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EFFICIENCY BREAK DOWN

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EFFICIENCY BREAK DOWN

Compared to Wärtsilä 34SG...

Efficiency increased by 5%

Break mean effective pressure increased by 36%

Output increased by 20%

Charge air pressure increased by 73%

→ This is not easy!

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PERFORMANCE ENABLERS – TWO STAGE TURBOCHARGING

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PERFORMANCE ENABLERS – ROBUST CONSTRUCTION

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PERFORMANCE ENABLERS – HYDRAULIC VALVE TRAIN

• Semi-hydraulic valve actuation• Variable inlet valve timing (VIC)• Variable output valve timing (VEC)• No need for valve timing

adjustment

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PERFORMANCE ENABLERS – COMMON RAIL TECHNOLOGY

• Injection valve with integrated accumulator and multiple injection capability

• Double wall fuel system with leakage detection

• 2-in-one: no separate pilot fuel system for W31DF

• Reduced particles and smokeless operation at any load

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PERFORMANCE ENABLERS – NEW GENERATION AUTOMATION

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PERFORMANCE – WÄRTSILÄ 20V31SG

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PERFORMANCE – WÄRTSILÄ 20V31SG

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PERFORMANCE – OPERATION FLEXIBILITY

• From start command to synchronized in 30 seconds

• Simultaneous synchronization of multiple units

• From start command to full load in 120 seconds

• Minimum continuous load of 10%

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DISTRIBUTED POWER GENERATION

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TOTAL CARBON FOOTPRINT / SYSTEM APPROACH

340

360

380

400

420

440

460

480

500

2010 2011 2012 2013 2014 2015 2016

kg/M

Wh

Specific carbon emissions in Natural Gas operation, California ISO

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THE TRIANGLE

Operational flexibility

Energy efficiency

Energy security

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Wärtsilä 31SG – Simple Cycle Superiority

The World’s most efficient 4-stroke engine