Page 43: of Offshore Engineer Magazine (Nov/Dec 2022)

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Propulsion Players transferring LNG to a vaporizer “injecting” natural gas.

Propulsion powerhouse Wärtsilä is also a major provider Condensing turbines or steam turbines offer the ability of grid power in the United States. to produce electricity from a variety of energy feedstocks,

Wärtsilä delivered the FPP Dominican II to the same Ca- where turbines are either “backpressure” or “saturated” ribbean nation. The Finland-based company has also deliv- types in modules meant to work with some of the types ered diesel FPPs, and now gas or dual-fuel power plants are of innovations we’ve obliquely referred to. The MAN sought, as they allow for the switching of fuels as markets steam turbines target combined heat and power; biomass and supplies swing. Combined cycle heat and power steam production and burning; steam from concentrated solar turbines and desalination are offered as options. “When re- power; geothermal energy (the Icelandic government is an quired, various NOx and SOX reduction options are avail- Ocean GeoLoop partner); waste-to-energy and regenera- able,” a commercial note says. “When natural gas becomes tion in energy storage. The MAN steam turbine power- available, plant can be converted”. How’s that for ?exible fuel! generation portfolio — turbines like the new, “urban and

Like the other barge and cylindrical “drum” FGPPs, industrial” MGT6000 — covers the range up to 180 MW,

Wärtsilä points to “short construction time” for barges that or the equivalent of a medium-sized hydropower dam. range in length from 64.8 m to 90 m. All are 27.4 m across.

Air intake ?lters below exhaust outlets, roof-mounted Hydrogen PP ventilation and radiators make models like the Wartsila 32 In the most technologically advanced states, especially

Power Barge ideal for the tropics. Between 1990 and 2011, in Northern Europe, “green, blue and pink” hydrogen are

FGPPs in Bangladesh and Papua New Guinea joined two touted as the future, and gas plant that can burn gas now in the Dominican Republic on the Wartsila hot weather, and hydrogen later is seen as the right backstop.

salt water client list. “With our H2-ready concept, we can con?rm we are in the planning phase for new power plants suitable for future

MAN Energy Solutions use with hydrogen,” Zissis says. “As a turbine manufacturer,

MAN Energy Solutions also offer ?exible dual-fuel or we ensure the burners and combustion chambers are de- gas engines (as well as trusted diesel models). MAN bases signed for H2, as this has different combustion properties its LNG-to-power ?oater concept on the ?exibility prem- than natural gas. In addition, other auxiliary systems, such as ise, as well as ef?cient gas turbines that deliver 10 MW piping and explosion protection, must be designed … The to 300 MW. It’s about “low-cost energy production” and independent certi?cation body TÜV SÜD issues certi?cates “independence from gas suppliers”, both super-topical in for H2 readiness in a power plant’s design phase,” he says.

November 2022. So, there’s a FGPP’s readiness to take on hydrogen as a

MAN gas turbines of from 6 MW to 13 MW offer fuel. There’s also a hydrogen supply chain, including bun- gas-?red power generation fed from centrifugal pumps kering for and by vessels that’ll service ?oating hydrogen

Integrated plant: inbound LNG, an LNG terminal and a FGPP.

Illustration: Siemens Energy november/december 2022 OFFSHORE ENGINEER 43