Google Using Sea Water to Cool Finland Project September 15th, 2010 : Rich Miller Google will use cool sea water in the cooling system for its new data center in Hamina, Finland, which is under construction and scheduled to go live early next year. The initiative continues Google's focus on data center efficiency and sustainability. Using cool water allows Google to operate without energy-hungry chillers, and also limits the facility's impact on local water utilities. The company's plans were discussed in an article in Computer Sweden (translation in English), which got a tour of the construction site in Hamina. There are no servers in sight yet, but the story reports that Google has refurbished the water pumps used at the former newsprint plant, and will use large pipes to draw cool water from the nearby Baltic Sea. Adapting Cold-Water Cooling A number of projects use cold water from large fresh water lakes for cooling. Cornell University in Ithaca, NY, has a Lake Source Cooling system that uses water from Lake Cayuga, and the city of Toronto also has a deep lake water cooling system, which benefits several of the city's data centers. The developers of the Mauritius Eco-Park have announced plans to develop a system to use sea water air conditioning (SWAC) to support data center tenants, tapping deep water currents that flow near the island nation. Cold water cooling systems that tap nearby bodies of water tend to have a high up-front cost in the pipe work, but offer huge ...
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