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Swedish Data Center Saves $1M a Year Using Seawater For Cooling

samzenpus posted about a year and a half ago | from the deep-bluse-sea dept.

Businesses 78

alphadogg writes "A data center in Sweden has cut its energy bills by a million dollars a year using seawater to cool its servers, though jellyfish are an occasional hazard. Interxion, a collocation company in the Netherlands that rents data center space in 11 countries, uses water pumped from the Baltic Sea to cool the IT equipment at its facilities in Stockholm. The energy used to cool IT equipment is one of the costliest areas of running a data center. Companies have traditionally used big, mechanical chillers, but some are turning to outside air and evaporative techniques as lower-cost alternatives."

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Heh, they havn't met the Zebra musels from hell .. (1)

Anonymous Coward | about a year and a half ago | (#43748867)

That'll shut them down eventually.

Re:Heh, they havn't met the Zebra musels from hell (-1, Troll)

CharismaticRectum (2925421) | about a year and a half ago | (#43748907)

My, my, my! Your cute, fetid cock has taken a liking to my rancid, disgusting asshole. Maybe your cock wants to smooch my bowels? I might even have a few brown gifts to fart out of my repugnant asshole should you do the inevitable and decide to lust after my rectum! What say you?

Re:Heh, they havn't met the Zebra musels from hell (1)

trylak (935041) | about a year and a half ago | (#43751643)

What say I? You are an idiot.

Re:Heh, they havn't met the Zebra musels from hell (3, Interesting)

GumphMaster (772693) | about a year and a half ago | (#43748939)

The zebra mussel is a freshwater creature. I'd be surprised if they had large problems with these in their seawater cooling circuit. I guess the salt will get them first.

Re:Heh, they havn't met the Zebra musels from hell (-1, Troll)

FecesAsshole (2925435) | about a year and a half ago | (#43748953)

Even just giving your rectum a cursory glance allows me to tell that it's rancid as fuck. Want to know what I like the most? Rancid assholes. You, my dear walking rectum, have just what I'm looking for! When I stick my fetid cock into your disgusting asshole, I just know that your feces and my cum are going to mix together in ways even the greatest scientists in the world never thought possible! What say you?

Re:Heh, they havn't met the Zebra musels from hell (1)

WWJohnBrowningDo (2792397) | about a year and a half ago | (#43748981)

Re:Heh, they havn't met the Zebra musels from hell (1)

Chrisq (894406) | about a year and a half ago | (#43749365)

From your linked article:

The Zebra mussel has become a part of the Baltic coastal ecosystem in many areas around the Baltic Sea, but the distribution is patchy, partly depending on the availability of suitable habitats and limited to areas of less saline water.

Re:Heh, they havn't met the Zebra musels from hell (1)

Stolpskott (2422670) | about a year and a half ago | (#43749563)

Stockholm's "sea water" is what most people would describe as brackish - the salt content is much lower than larger bodies of water. While I suspect that the Zebra mussels would still find it too salty to thrive, you might find that individuals can adapt and propagate.

Re:Heh, they havn't met the Zebra musels from hell (1)

MightyYar (622222) | about a year and a half ago | (#43751661)

As others have mentioned, this is seawater. But even if it were freshwater, power plants and municipal water supplies draw from rivers and lakes infested with zebra muscles. They are a PITA, but they work around them.

OK (1)

andjeng (2799457) | about a year and a half ago | (#43748915)

how about efficiency?

Re:OK (-1, Troll)

FecesAsshole (2925435) | about a year and a half ago | (#43748957)

Well, you wanted to jam your putrid penis into my rancid asshole; here it is. My asshole is open to you. Why are you hesitating? You adore rancid assholes. Are you hesitating because you're so overjoyed that you can't believe such an amazing opportunity has presented itself to you? All you have to do is shove your fetid cock right in and my warm feces will take care of the rest. What say you?

What say you? (-1, Troll)

CharismaticRectum (2925421) | about a year and a half ago | (#43748923)

Let me start off by saying that I love rancid rectums, and I also love cum farts. Do you see where I'm going with this? You're someone who can give me both of those things with the aid of my fetid cock. My smelly cock will smooch your putrid bowels and let loose a tidal wave of sticky goodies! Then, what all is said and done, you can fart out some feces covered in cum, and my childhood dream will finally be fulfilled! What say you?

strange....just $1 million? (3, Informative)

MoFoQ (584566) | about a year and a half ago | (#43748933)

So...from the article:

Before Interxion started the project, its energy bills were about $2.6 million a year to cool 1 megawatt of IT load. Today, its energy bill is $5.4 million to cool 5.5 megawatts of IT load, meaning the system has saved it about $1 million a year.

So "today" per 1MW of IT load, it would cost $5.4million / 5.5MW or $981818.18 ( 54/55 million $ per MW or 0.981818182 x million $ per MW)
$2.6 million - $0.98 million > $1 million

Now, if he wanted to cool 5.5MW of IT load, it would cost him $14.3 million with the old method vs $5.4 million with the seawater method.
Even if you account for the cost of the third-party...$14.3 million vs $5.4 million is a big difference.

Re:strange....just $1 million? (3, Interesting)

shitzu (931108) | about a year and a half ago | (#43750101)

Strangest thing is - Sweden is a relatively cold country where people pay for heating. And for hot water in the summertime. Can't all this excess (heat)energy be put to good use instead of dumping it to the sea?

Re:strange....just $1 million? (3, Informative)

mtempsch (524313) | about a year and a half ago | (#43750763)

Some [suitably located] data centers, for instance this one [www.idg.se] , in Sweden do pump heat into the "remote heat" (fjärrvärme) grid [wikipedia.org] , which then goes out to individual homes, apartment buildings etc

Re:strange....just $1 million? (3, Interesting)

mikael (484) | about a year and a half ago | (#43750897)

Some rural industrial estates were using their hot air from their cooling systems to grow plants.

One placed I worked in had the external parts of their air conditioning in a ground level sheltered car park. The heat was so incredible, that you could comfortably walk around in this bubble of warm air in a T-shirt or short-sleeve in the middle of Winter. The only was homeless people wandering by and building makeshift tents around one or more of the units in winter, tripping various CPU temperature alarms.

Re:strange....just $1 million? (2, Informative)

petermgreen (876956) | about a year and a half ago | (#43752415)

Not easilly.

Computers typically use air cooling, the exhaust temperature of a computer is not very far above the intake temperature and the intake temperature is typically arround normal room temperature or lower. So the exhaust temperature is likely to be barely above normal room temperature making moving the heat arround difficult.

You could raise the intake temperature to the computers but doing so would have significant disadvantages. Firstly it would reduce the ammount of time you had between cooling equipment failure and the temperature rising beyond the maximum safe level for the equipment. Secondly it may cause equipment that isn't designed to work in those temperatures to fail or at least reduce it's life. It would also make things rather uncomforable for people working in the datacenter.

You could also redesign the computers to use liquid cooling, since liquid cooling is far more efficient than air cooling you could run the loop at a significantly higher temperature than typical datacenter air temperatures while keeping the core temperature the same. The downside is of course you'd need to redesign the cooling systems in all your computers and come up with a system for safely adding and removing computers to/from the liquid cooling system.

Re:strange....just $1 million? (1)

JimtownKelly (634785) | about a year and a half ago | (#43770745)

RTFA. . .especially this paragraph: "The water enters the first facility at 42.8 degrees Fahrenheit (6 degrees Celsius) and exits at 53.6 F (12 C). It's pumped to a second site, which it leaves at 64.4 F (18 C), and a third, which it leaves at 75.2 F (24 C). It's then sent to a heat pump and used to heat local homes and offices."

Re:strange....just $1 million? (1)

wagnerrp (1305589) | about a year and a half ago | (#43752275)

Perhaps they're including the initial installation cost, averaged out of the next few years.

Warm the water directly (1, Insightful)

calzones (890942) | about a year and a half ago | (#43748969)

So instead of warming the atmosphere, they're warming the seawater.

Cuts to the chase neatly that. Let's all of us dump our excess heat into the ocean and see how if works out better in the long haul.

No free lunch.

Re:Warm the water directly (4, Informative)

Jherek Carnelian (831679) | about a year and a half ago | (#43748991)

Let's all of us dump our excess heat into the ocean and see how if works out better in the long haul.

The article said the warm water is sent to heat pumps to warm up houses in the town. They don't say if they are able to bring the temperature back down to the original levels or not, or even if the water is pumped back into the ocean.

Re:Warm the water directly (4, Interesting)

Bearhouse (1034238) | about a year and a half ago | (#43749805)

Most thermal systems, be it in cogeneration/district heating, or even traditional power stations, still end up dumping some residual heat as waste into the environment.
It seems nuts, but it gets to a point where the temperature differential/gradient is simply not enough to justify an industrial process to recover the heat efficiently.
For example, if you were trying to heat your house with water that was only a few degrees above ambient, well, you'd probably not be very happy.

Still, sometimes it works out OK, like the example (in France, from memory), where waste heat from a nuclear reactor is used to heat ponds to grow tropical shrimps, and greenhouses for fruit.

By the time the water finally returns to the river, thermal impact is virtually zero, minimising local ecological disruption.

Re:Warm the water directly (0)

Anonymous Coward | about a year and a half ago | (#43751693)

Most thermal systems, be it in cogeneration/district heating, or even traditional power stations, still end up dumping some residual heat as waste into the environment.

Sorry for picking on you, but I'm a little shocked slashdotters' understanding of thermodynamics. Every system we run, of any kind, anywhere, produces waste heat which it must dump into the environment. That (ironically) includes actively heated systems.

Re:Warm the water directly (0)

Anonymous Coward | about a year and a half ago | (#43754239)

If you've got enough water that's just above ambient, you can still use it as a heating medium for a heat pump. That's not as efficient as using some water that's already 'warm enough' but it'll make the data center happy by providing cooler water to them.

Re:Warm the water directly (4, Informative)

goodmanj (234846) | about a year and a half ago | (#43748999)

Read the article: after leaving the data center, the heat is sent to a heat pump where it's used to heat houses.

Re:Warm the water directly (5, Funny)

OhANameWhatName (2688401) | about a year and a half ago | (#43749077)

Read the article

Quit trolling.

Re:Warm the water directly (1)

adolf (21054) | about a year and a half ago | (#43749099)

Stop making sense.

Re:Warm the water directly (1)

cornjones (33009) | about a year and a half ago | (#43752515)

after leaving the data center, the heat is sent to a heat pump where it's used to heat houses.

which is dumping it back into the environment.

Re:Warm the water directly (1)

goodmanj (234846) | about a year and a half ago | (#43757747)

which is dumping it back into the environment.

..but it's not dumping it back into the *ocean*, which is what the original poster said.

If you're going to be pedantic, I've got you out-gunned.

Re:Warm the water directly (1)

jklovanc (1603149) | about a year and a half ago | (#43749197)

So instead of dispersing the heat in the air directly (plus the heat generated by the chillers) It is used to heat houses. Even if the warmed water was dumped directly into the sea it would make little difference in the temperature of the water.

Re:Warm the water directly (0)

Anonymous Coward | about a year and a half ago | (#43749673)

Human-generated heat doesn't warm the atmosphere. Sunlight does. Humans are involved in the process that allows sunlight to do that, not by contributing heat.

Re:Warm the water directly (0)

Anonymous Coward | about a year and a half ago | (#43749737)

Of course human-generated heat warms the atmosphere. By a negligible amount.
http://en.wikipedia.org/wiki/Waste_heat#Anthropogenic_heat

Re:Warm the water directly (0)

Anonymous Coward | about a year and a half ago | (#43750209)

"By a negligible amount" means it doesn't exist, for any meaningful definition of the word "exist".

Re:Warm the water directly (0)

Anonymous Coward | about a year and a half ago | (#43757769)

God damn beancounter. We're engineers and scientists here. Take your 'material difference' and shove it up your butt.

Re:Warm the water directly (1)

calzones (890942) | about a year and a half ago | (#43754241)

Human generated heat actually warms the environment closer to the ground which exacerbates the need to run air conditioning.

Overall, it's safe to say all mammals are contributing heat to the planet, but humans are doing a much more extreme job of it..

Re:Warm the water directly (1)

GNious (953874) | about a year and a half ago | (#43750319)

Recent articles point to Denmark (ca next to sweden) as having issues that fishermen are getting swordfish and other tropical species in their nets as by-catch, while the normal (local) fishies are moving north - all due to shift in the water temperature.

Re:Warm the water directly (1)

Beorytis (1014777) | about a year and a half ago | (#43751463)

Although no new permits are issued for it, several buildings in downtown Chicago have legacy systems that reject heat from cooling systems into the Chicago river. Some of these buildings were clients at my former employer. At the downstream end of downtown (i.e. the south Wacker/south Riverside Plaza buildings) the water temperature in the river got into the 90s (fahrenheit).

Pirate Bay (1)

hooiberg (1789158) | about a year and a half ago | (#43748973)

All prepared for hosting the Pirate Bay! YARRRRR!

Reading between the lines of TFA (1)

c0lo (1497653) | about a year and a half ago | (#43749019)

It doesn't pump seawater directly through its cooling systems. Instead, the seawater goes to a heat exchanger where it's used to cool fresh water. It has to clean the exchanger fairly regularly, but Coors said it's a simple maintenance job.

The kind of job any bartender [slashdot.org] will be soon very happy to do for the dole.

But it had to run the chillers only a few hours last year, Coors said, when the government ordered its partner to stop pumping seawater. Coors isn't certain why that was, but he believes it's for environmental reasons. "I think it's to protect the jellyfish," he said.

In Norway:
1. the govt has a partner
2. the jelly fish have govt protection only a few hours each year.

(note: Poe's law suggest a smiley. Here it is: *big-grin* )

Re:Reading between the lines of TFA (0)

Anonymous Coward | about a year and a half ago | (#43749165)

In Norway:
1. the govt has a partner
2. the jelly fish have govt protection only a few hours each year.

The Norwegian government has partnered with the Cnidarians. It's only a matter of years before the jellyfish completely take over. No data center is safe!

Re:Reading between the lines of TFA (1)

jopsen (885607) | about a year and a half ago | (#43749661)

In Norway:
1. the govt has a partner
2. the jelly fish have govt protection only a few hours each year.

Exactly how did you deduce that from an article about a data center in Sweden ?

Re:Reading between the lines of TFA (1)

c0lo (1497653) | about a year and a half ago | (#43750077)

My wrong, should have said "In Sweden:"

Re:Reading between the lines of TFA (1)

jopsen (885607) | about a year and a half ago | (#43755167)

I just thought it was ironic when you make fun of the author who wrote "government ordered its partner" :)

Seawater is nasty (1)

goodmanj (234846) | about a year and a half ago | (#43749027)

I hope they hired a marine engineer to work out the anti-fouling issues. The system may work great now, but in a couple months every single surface exposed to seawater will be covered with barnacles and algae. The article mentions cleaning heat exchangers as part of maintenance, but some of this crap can't be scrubbed off without a chisel.

Re:Seawater is nasty (1)

AHuxley (892839) | about a year and a half ago | (#43749053)

Sydney Opera House has done this for many years. The harbour water creates a water-cooled heat pump for the AC. Sacrificial anodes work well and piping seems fine since construction.

Re:Seawater is nasty (1)

pijokela (462279) | about a year and a half ago | (#43749407)

I've been to Australia and the water in the Pacific is nothing compared to the water in Baltic Sea. It is a green putrid mess compared to the clear ocean water. Baltic Sea has so low salt concentration that all kinds of green stuff and weed live in it really well. All the nitrogen from farm lands also plays in to this.

So, the problems in Australia and Sweden might be quite different.

Re:Seawater is nasty (1)

petman (619526) | about a year and a half ago | (#43749089)

You have the wrong idea on what a marine engineer does. A marine engineer is involved in engineering of boats, ships, oil rigs and similar sea-going vessels. What you want is a water engineer.

Or just any mechanical engineer (1)

dbIII (701233) | about a year and a half ago | (#43749363)

Any mechanical engineer worth their salt knows there's been a variety of problems with heat exchangers and seawater for the last century+ and knows to start looking for available solutions.

Re:Seawater is nasty (1)

Jherek Carnelian (831679) | about a year and a half ago | (#43749137)

I hope they hired a marine engineer to work out the anti-fouling issues. The system may work great now, but in a couple months every single surface exposed to seawater will be covered with barnacles and algae.

The OTEC guys say that biofouling only occurs in their heat exchangers that are exposed to surface water. I don't know if that is because of the temperature of the water or because of a lack of organisms in the deeper water. But since these data center guys only care about cold water which they can get from the deep, they don't have to deal with the most of the problems typically associated with sea water.

http://www.otecnews.org/portal/otec-articles/ocean-thermal-energy-conversion-otec-by-l-a-vega-ph-d/#environment [otecnews.org]

Re:Seawater is nasty (1)

goodmanj (234846) | about a year and a half ago | (#43757803)

There is no deep water in the Baltic Sea: it's only about 50 meters deep in most places. The OTEC guys are talking about depths 20 times that.

Re:Seawater is nasty (1)

Jherek Carnelian (831679) | about a year and a half ago | (#43758547)

50 meters? That's not a sea, that's practically a shoal.

Re:Seawater is nasty (1)

thegarbz (1787294) | about a year and a half ago | (#43750273)

The system may work great now, but in a couple months every single surface exposed to seawater will be covered with barnacles and algae. The article mentions cleaning heat exchangers as part of maintenance, but some of this crap can't be scrubbed off without a chisel.

This is a problem which has had a worked solution for at least 50 years. The largest and one of the oldest running oil refineries (built in the 50s) in Australia has used seawater for cooling since the beginning. They have orders of magnitude more heat exchangers and larger heat loads, not to mention complicated metallurgical requirements to boot. In comparison using a water to closed loop coolant system is a walk in the park engineering wise.

Back then they didn't do heat recovery though minimal effort is made to cool the water before it's returned to the ocean.

You can probably find the solution to your problem in some metallurgy 101 textbook. There's nothing new or complicated here, it's just novel that a datacentre has done it.

Using the cold environment isn't terribly new. (4, Interesting)

Nutria (679911) | about a year and a half ago | (#43749031)

Back when our basement data center housed 70s and 80s era IBM mainframes and their accoutrement (a dozen or so tape drives and a huge 3380 farm) , the building vented cold upstate NY winter air into the DC.

A few years after the final ECL mainframes and 3380s were replaced by "z" mainframes and EMC SANs, the vent was blocked up.

Re:Using the cold environment isn't terribly new. (0)

Anonymous Coward | about a year and a half ago | (#43751619)

Pumping air all the way from New York to DC seems terribly wasteful, although I'll bet that duct set a world record for length. Did it just run south along I-95?

Re:Using the cold environment isn't terribly new. (1)

Nexus7 (2919) | about a year and a half ago | (#43754759)

AC units for data centers can be ordered with economizers, which will vent outside air in when there's enough cooling potential. They will filter it, etc.

Interestingly enough, these units have to be freeze-rated also.

The future of evaporation cooling. (0)

Anonymous Coward | about a year and a half ago | (#43749083)

Data Center cooling system to replace trees as main source of clouds.

Save the Seas! (0)

Anonymous Coward | about a year and a half ago | (#43749085)

Bay of Finland is getting warmer everyday because multiple datacenters and nuclear power plants use it to cool down.
Even Google is there doing that goog old no evil: http://www.google.com/about/datacenters/inside/locations/hamina/

Location location location (1)

zmaragdus (1686342) | about a year and a half ago | (#43749093)

I am routinely a bit confused as to why datacenters aren't predominantly located in places with colder climates. Free cooling from the outside during the winter and whatnot. Is there simply a lack of infrastructure to make an ultrahigh-bandwidth line out to...say...northern Montana?

Re:Location location location (1)

heypete (60671) | about a year and a half ago | (#43749729)

I am routinely a bit confused as to why datacenters aren't predominantly located in places with colder climates. Free cooling from the outside during the winter and whatnot. Is there simply a lack of infrastructure to make an ultrahigh-bandwidth line out to...say...northern Montana?

Basically, yeah.

A lot of the networks have expanded where there's people: early networks grew up around universities and government facilities (often located in or near major population centers), companies later grew up (or migrated to) where the tech people were, and things more or less grew organically from there.

Take a look at Level3 [level3.com] 's network map for the US: there's a lot of facilities in areas where there's a lot of population: SF Bay Area, Los Angeles, New England, etc. Florida has more than I would otherwise expect, but it's not too surprising. There's basically nothing in the Dakotas and very little in other sparesely-populated areas.

One may well be able to get some network connections in remote areas, but it'll likely be expensive, inconvenient, and from a considerably less-diverse group of network providers than one might get in, say, Ashburn VA or the Bay Area.

Re:Location location location (1)

blackraven14250 (902843) | about a year and a half ago | (#43759579)

Florida makes a good deal of sense. It's a convenient jump across the Caribbean, so it makes sense to have at least some infrastructure in the area. Florida also has a large population and is relatively densely populated - something like 4th and 9th in the nation, respectively.

This has got to be more efficient (3, Insightful)

OhANameWhatName (2688401) | about a year and a half ago | (#43749111)

Use the seawater to cool the servers directly rather than using the seawater to cool the nuclear power plant which generates the electricity to power the cooling. So it's got to be a bit of a win for the environment too right? Improved thermal efficiency is a good thing.

Nice to see a plan which is a win for the environment on top of being a money saver.

Re:This has got to be more efficient (1)

Sockatume (732728) | about a year and a half ago | (#43749767)

The power plant side of the equation is unchanged: the energy it creates depends on there being a temperature gradient.

Nothing special (3, Informative)

Guspaz (556486) | about a year and a half ago | (#43749151)

This isn't exactly unique or special. [wikipedia.org] Most of downtown Toronto is covered by the cooling grid from one such deep-water lake cooling systems, and I know of at least one datacenter (one of if not the most critical in the country) that uses the service.

It's not that salty (4, Informative)

techno-vampire (666512) | about a year and a half ago | (#43749233)

The Baltic Sea [wikipedia.org] isn't anywhere near as salty as it sounds. There are so many rivers emptying into it that parts of it, especially in the northern part, are very close to fresh water, and most (if not all) of the fish there are fresh water species. That's why, back in the Viking days, people in that area had to buy salt from mines in what's now Poland, instead of getting it from the sea as most other maritime areas do. This simplifies things tremendously, because they don't have to worry anywhere near as much about corrosion from the salt.

So does Google in their datacenter in Finland (3, Informative)

Dtyst (790737) | about a year and a half ago | (#43749247)

In March 2009, Google purchased the Summa Mill from Finnish paper company Stora Enso and converted the 60 year old paper mill into a data center.
http://www.google.com/about/datacenters/inside/locations/hamina/ [google.com]
Here is a video about Googles sea water cooling system:
http://www.youtube.com/watch?v=VChOEvKicQQ [youtube.com]

yah (0)

Anonymous Coward | about a year and a half ago | (#43749527)

No, don't use a LTG stirling engine and actually USE that "waste" heat energy to you know........generate useful electrical power or anything. Just vent it to the ocean.......IDIOTS

Re:yah (2)

Sockatume (732728) | about a year and a half ago | (#43749751)

If you'd bothered to read the article instead of trying to look like a wise-ass on the basis of ten seconds of reading, you'd know what they do with the waste heat.

Re:yah (0)

Anonymous Coward | about a year and a half ago | (#43756023)

yeah, they vent it into the ocean, READ THE ARTICLE

Re:yah (0)

Anonymous Coward | about a year and a half ago | (#43756069)

WAH, I WANT MY AD clickthrough HITS!!!111!!!!!11!11!!!!

Re:yah (1)

newcastlejon (1483695) | about a year and a half ago | (#43755149)

I think you've overestimated how easy it is to get useful work when your delta-T is only about 60 degrees.

At what cost? (0)

Anonymous Coward | about a year and a half ago | (#43750181)

And what is the effect on the local ecosystem of dumping that much heat into the local shallows? Warming oceans are already killing off coral reefs everywhere, and causing algae blooms that decimate local species.

Obviously the impact on the entire ocean is negligible, but in the local dump area the temperature impact is likely to be measurable, significant, and tragic for the local ecosystem.

I cool my cottage similarly ... (4, Interesting)

nblender (741424) | about a year and a half ago | (#43750481)

I'm not using sea-water so maybe this is only tangentially interesting ... The water that comes out of my 10gpm well is at 8C. When I had my new forced-air furnace installed, I asked the installer to put in an evaporator coil to prepare for future air-conditioning... Cost me an extra $180. Later I removed the orifice, hooked up a solenoid valve wired to my furnace. I plumbed well water through the evaporator coil and directed the waste water outside to an outdoor faucet which, in the summer, is hooked up to soaker hoses to water the flower beds... The plants like the warmish water and, while not terribly efficient cooling, it does manage to keep the inside of the house below 22C when outside temps are over 30C... The house has a lot of solar heat load due to big windows with mountain views on the west side and even with awnings up, would get excruciatingly hot without some cooling assistance... My only operating cost is the electricity to pull the water out of the ground

I could probably make better use of the waste water by sprinkling it on the roof before collecting from the eaves and doing drip irrigation on the flower beds, but that will be a project for another year.

(This is in Southern Alberta)

Misleading headline (0)

Anonymous Coward | about a year and a half ago | (#43750765)

"Swedish Data Center Saves $1M a Year Using Seawater For Cooling"
No. Actually it has "cut its energy bills by a million dollars a year using seawater to cool its servers". The difference is that you need to factor in installation and maintenance costs as well. And I assume them to be very high.

Spongebog Squarepants called... (1)

maroberts (15852) | about a year and a half ago | (#43751013)

...and wants his water back.

Patrick........!!

Pool Water (0)

Anonymous Coward | about a year and a half ago | (#43752995)

The college I attend looked into placing a backup data center in the same building as the pool and using the excess heat to heat the pool water which is heated year round anyways. It's an Olympic sized pool, so it could take all the heat those servers could put out.

According to their analysis the cooling system would pay for itself within the first two years, and it has no environmental impact besides saving on heating fuel. They haven't built the backup data center yet, as backups are notoriously hard to justify, but if they do I expect the pool cooling to happen.

Fortunately no unforseen consequences (1)

Maxo-Texas (864189) | about a year and a half ago | (#43753347)

I mean, all this heat is just going to vanish into the environment, right?

Re:Fortunately no unforseen consequences (1)

idontgno (624372) | about a year and a half ago | (#43754473)

So your answer is... turn it off? Turn it all off? Sit shivering in the dark?

No, wait, that's not enough. Sitting shivering in the dark is STILL dumping heat into the environment.

DIE! Yeah, that's the ticket. No metabolism means no metabolic waste heat. (Assuming you'll forgive us our methane and CO2 output as we decompost. I promise it's only momentary. Humanit will no longer be responsible for ANY environmental warming within a few weeks after we've extincted our entire race to make you feel better.)

You must be one of those famous Scandanavian trolls.

Re:Fortunately no unforseen consequences (1)

Maxo-Texas (864189) | about a year and a half ago | (#43757943)

Basic answer?

It's too late- we are screwed.

Real answer? Get the human population down to about 3 billion and live with a lot of freedom and prosperity. Continue down the same path and look at rationed water, cramped living quarters, lower quality food. And when we do have something bad, we'll have a tremendous die off.

Look- wind power has now been shown to reduce the winds (and affect the climate). And seriously... DUH? You are extracting huge amounts of energy from the wind- it's going to affect the winds.

Dump huge amounts of heat into the environment (in this case) is just another case of an organization externalizing their costs on the rest of society.

That heat is going to have an effect. There will be a cost. But the company dumping the heat is getting the benefit for "FREE".

Don't sell it as "free" and I won't bitch.

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