IntroducingDATES

Or,howto optimise energyuse(among buildings)

Your speaker

I’mRobertJanBuunkofIFTechnology,and(ontheleft)mycolleagueHermanVelvis

Our company

IFTechnologyisaleadingproviderofATESsolutions.Weapplytheorytocreatepractical,cost-effectivesolutions.

Est.1989.

MostofthesharesinIFareownedbyour60employees.

www.iftechnology.nl

Iguess you all know ATES

Asmart,‘green’waytostoreanduseseasonalheatorcold.

You will need asuitable climate,an aquifer,and compliancewith regulations.

What’s the role ofATESinDATES?

ATESprovides storagefor DATES

• Thermalefficiencyapprox.0.7– 0.9• 100- 1,000MWhofthermalenergyperwell.

Storingheat

Storingcold

Usingcold

Usingheat

Andwhat’stheDinDATES?

A2-pipesolutionwith divided ATESstoragepoints

Cold well

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cond

enso

rve

rdam

per

XXH

PYY

E-3

Warm well

Heat Pump

Shortcut/ Buffer tank

18°C 10°C

Collective regeneration

Building

Aquifer

HowdoesDATESwork?

MarkandSannewantto sharesome energy.

Asolutionisfound!

Now they canexchangeenergy,using DATES.

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Now,let’s add morebuildings

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Canwejoin?

Canwejoin?

Noproblem!

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DATESinpractice

10largewells(250m³/h)insteadof24wells3,100mextrapipeworkTotalinvestmentcostsare19%lower

ZernikeCampusUniversityofGroningen

Should the wells be clustered ordistributed?

• Bothexamplesneed1,430metres ofpipingand40m³/hperbuilding• Distributedwellsneedsmallerdiameterpiping• Here,thecostreductionwithdistributedwellsis65%

So,whataboutourfriends?

There’s aproblem withthe energybalance…

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What doourfriends need toknow?

TomakeDATESwork,youneedtopayattentionto:

• Youraccounting(measuringandcontrolling)• Yourreturntemperature(undervariousconditions)• The totalenergybalance(jointregeneration)

“Changeistheonlyconstant”

UtrechtUniversityUithofCampus

2009:Updateabuilding

2011:Updateabuilding

2013:Newbuilding2014:Newbuilding2015:Changeabuilding

2017:ConnectabuildingtoDATES2019:Newbuilding2020:Changeabuilding

2022:Demolishabuilding

2024:Demolishabuilding?

SwitchtoDATES

UtrechtUniversityUithof Campus

Thesituation(in2014):• ATESsince2002,8wells• One central exchangepoint

(treestructure)• Notabletoconnectnew

datacentre(smallpiping,endoftree)

DATES:fitforthefuture

2014:• 4extrawells• Newnetwork

Our friends arealso future-proofAnofficebuildingbecomesstudenthousing.

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Now what about you?

Could DATESbe viableinyour situation?

Please contactus to find out.

info@iftechnology.nlwww.iftechnology.nl