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Open AccessArticle

Planning Annual LNG Deliveries with Transshipment

by Mingyu Li *,† and Peter Schütz
Department of Industrial Economics and Technology Management, Norwegian University of Science and Technology, 7491 Trondheim, Norway
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Energies 2020, 13(6), 1490; https://doi.org/10.3390/en13061490
Received: 21 February 2020 / Revised: 13 March 2020 / Accepted: 17 March 2020 / Published: 21 March 2020
(This article belongs to the Special Issue Computational Analysis of Natural Gas Supply Chains)
The introduction of transshipment ports in the liquefied natural gas (LNG) supply chain in recent years offers additional flexibility, but also challenges to the planning of the annual delivery program. We present a new variant of the LNG-annual delivery program (ADP) planning problem by considering transshipment as well as time-dependent sailing times. We present a continuous time formulation for the LNG-ADP problem and propose a rolling horizon heuristic to solve the problem. Both the model and heuristic were used to solve a case inspired by the Yamal LNG project. The computational results show that the heuristic provides good solutions within a relatively short amount of time, especially compared to the exact solution methods. However, there is a trade-off between computational time and solution quality when designing the rolling horizon heuristic. The results also show the impact storage capacity at the transshipment port has on the total cost. View Full-Text
Keywords: LNG; annual delivery program; maritime inventory routing; rolling horizon heuristic LNG; annual delivery program; maritime inventory routing; rolling horizon heuristic
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Li, M.; Schütz, P. Planning Annual LNG Deliveries with Transshipment. Energies 2020, 13, 1490.

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