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    1. Vessels

    Wärtsilä upgrading four Harvey Gulf PSVs

    Oct. 19, 2020
    Harvey Gulf has hired Wärtsilä to install its energy storage system on four Harvey Energy class LNG-fueled platform supply vessels.
    (Courtesy Harvey Gulf)
    The platform supply vessel Harvey Power will have tri-fuel capability.
    The platform supply vessel Harvey Power will have tri-fuel capability.

    Offshore staff

    HELSINKI, Finland – Harvey Gulf has hired Wärtsilä to install its energy storage system (ESS) on four Harvey Energy class LNG-fueled platform supply vessels (PSVs).

    The Harvey Power, Harvey Liberty, Harvey Freedom, and Harvey America will each be fitted with a Wärtsilä ESS comprising a closed bus-tie 1360Kw drive with 746 kWh 1100 VDC batteries. The retrofitting project is expected to start in 2021 and be completed in early 2022.

    (Courtesy Wärtsilä Corp.)
    The Wärtsilä energy storage system will enable the PSVs to operate on battery power only when stationary at sea or in port.
    The Wärtsilä energy storage system will enable the PSVs to operate on battery power only when stationary at sea or in port.

    A fifth vessel in this class has already been fitted with a Wärtsilä ESS.

    When the upgrade project is completed, all five vessels will be capable of full tri-fuel operation. The PSVs will be capable of closed bus dynamic positioning operation running only one engine augmented by the Wärtsilä ESS. When stationary in the field or in port, they will be able to operate on battery power only, thereby reducing both fuel consumption and exhaust emissions.

    10/19/2020