Harmonic Turbine Tidal Hotel by Margot Krasojević Architects

The planet’s energy resources are shrinking fast and architecture is one way of, well, turning back the tide – this forward-looking design by Margot Krasojević Architects is just one visionary example

Harmonic Turbine Tidal Hotel coastal and oceanic landforms, horizon, ocean, sea, sky, water, wave, wind wave, gray
Harmonic Turbine Tidal Hotel

From the architect:

The hotel harnesses tidal energy to generate electricity. The idea was to redefine the hotel typology by embracing renewable energy to create a sustainable environment. This is the last of three tidal projects using the project brief to further underline the importance of inter-disciplinary dialogue between architecture, engineering, renewable energy and industrial design.

The hotel is located on Yalong Bay, on the island of Hainan in the South China seas. Along the bay’s coastline there are sheltered areas but also sections which are a high-energy site exposed to winds and high waves, this is where the harmonic turbine hotel sits, partly anchored into the coastline’s rock with its elements free to gently move with the tide. Revolving water turbines are partially buried in the sand and respond to tidal waves creating a sustainable infrastructure as part of the hotel’s design.

Harmonic Turbine Tidal Hotel coastal and oceanic landforms, horizon, ocean, sea, sky, water, wave, wind wave, gray
Harmonic Turbine Tidal Hotel

The Harmonic Turbine hotel’s primary goal is to combine hotel design and program with renewable energy, by using industrial and mechanical turbine engineering. The design will allow it to produce its own power in order to keep it running all year round and even be able to return surplus energy back into the grid, contributing to the environment by producing usable energy for the surrounding area.

The pipe water turbines are part of the hotel landscaping, they are semi-buried into the sand but exposed to the South China sea which washes over the turbines in order to produce and store energy back into the hotel and the national grid, which will create a step-up energy production hotel. It’s not only contributing to the environment, but it also works as a capacitor as the entire scheme slightly moves in the tide. Pipe water turbines follow a spiral of paths into and around the hotel. The layout of these tidal turbines resembles natural tidal sand ripples and creates enclosures like the rock pool bays for guests.

Harmonic Turbine Tidal Hotel reflection, sea, sky, water, brown, gray
Harmonic Turbine Tidal Hotel

The idea behind the hotel came from rock pools and tidal power, to design a hotel which dips into the sea just enough to catch the tide whilst being able to sway in the current. The entire experience is that of a surfing, beach hotel with sections of the hotel submerged during high tide.

The hotel consists of two interlocking steel frame aluminium-clad elements. Similar to the hull of a boat these elements are lightweight enough to gently sway with the tide but strong enough not to break.

Harmonic Turbine Tidal Hotel fauna, fish, fishing bait, fishing lure, herring, organism, sardine
Harmonic Turbine Tidal Hotel

The harmonic turbine hotel foyer leads from the entrance hatch into the submerged viewing chamber which is connected to the 30 en-suite spa bedrooms, each bedroom has a privacy glass-clad panel which makes the guests feel as though they are in a partly submerged submarine, waves crash against the room windows with the tide whilst water turbine rock pools define private guest pools.

The hotel is pinned into the sand using partly exposed open foundations which spiral into the substructure turning slightly with the tide. This movement helps harness renewable energy more efficiently.

Credit list

China Film House
Yalong Bay, Island of Hainan in the South China Seas, China
Architect and project manager
Margot Krasojević
Project completion date

Story by: Trends/architects

Photography by: Margot Krasojević

31 Oct, 2018

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