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Page 38: of Maritime Reporter Magazine (November 2022)
The Workboat Edition
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FEATURE FLOATING POWER BARGES
Siemens Energy
While the Norwegians look offshore with concepts that also serve shoreside industry and potentially “regions”, Sie- mens Energy’s ? agship FGPP, Sea? oat, keeps evolving and “is relevant for all locations with access to the sea or large river systems”. “SeaFloat can replace conventional power barges which often run on diesel or heavy oil,” says Siemens Energy Sea-
Float sales lead, power plants, Stavros Zissis. The most recent
SeaFloat, the del Mar III, was put together in Singapore by shipyard and gas plant fabrication crews. Modular Siemens plant was hoisted onto a fabricated barge which was no match for the season Sinaporeans accustomed to mammoth semisub- mersible builds. The voyage of Estrella del Mar III showed it piggybacking onto a heavy lift vessel and passing on its barge through narrow canals.
Floating power: the arrival in downtown
Santo Domingo of a Siemens Energy
Sea? oat, complete with energy storage.
Sea? oat “You cannot simply put a gas turbine constructed for land-
Siemens Energy based applications on a ? oating vessel,” Zissis says, adding that
SeaFloat GPPs are “marinized” tech “optimized” and specially made “to withstand motions, accelerations, and hull de? ections”.
“The gas turbine and steam turbine packages are installed on three-point mounted frames, forming single-lift structures that facilitate and expedite the installation and erection efforts at the shipyard. It’s like putting together big LEGO bricks,” he says. SeaFloats, he adds, are “wet- or dry-towed” from the shipyard. The barge’s layout and size are dependent on wheth- er the unit is fully integrated with LNG storage, regasi? cation and power plant — the Siemens FSRP concept — or related to power output.
The 150-megawatt (MW) combined-cycle Estrella del Mar
III began powering the Dominican Republic with its two SGT
Building blocks: a graphical rendition 800 gas turbines in 2022, two years after being ordered. It has of a Sea? oat showing modular “5 to 10 megawatts” of power from energy storage onboard process-plant placement. for “primary frequency response”. SeaFloats mainly come in
Illustration: Siemens Energy
Shipyard-capable: The Sea? oat hull as it At-anchor: a mooring dolphin appeared in 2021 when completed in Singapore. used to secure a FPP.
Siemens Energy Greens Bayou Pipe Mill 38 Maritime Reporter & Engineering News • November 2022
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