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Welcome to the OCP Heat Reuse Sub-Project. Efficient energy usage of data centers is a key global concern and tenant of Open Compute Project (OCP).
Welcome to the OCP Heat Reuse Sub-Project. Efficient energy usage of data centers is a key global concern and tenant of Open Compute Project (OCP).


ITE and data center design efficiency is just one factor in minimizing the carbon footprint associated with energy usage of a data center - use of renewable resources and reuse of its waste energy can have a positive impact as well.  
ITE and data center design efficiency is just one factor in minimizing the carbon footprint associated with energy usage of a data center - use of renewable resources and reuse of its waste energy can have a positive impact as well. 100% of the energy used in a processor turns into heat.  


Almost 100% of the energy used in a processor turns into heat.
Up until very recently this has been a liability and a challenge, immense quantity of heat needed to be removed employing even more energy for it. With the proper design, data center cooling systems can be converted into a heat source and a heat management opportunity that in turn converts the heat from a liability to an asset. The OCP Heat Reuse subgroup explores these challenges and opportunities. Its goal is to suggest solutions to allow easier implementations of technologies aimed at harnessing the heat and turn it into profit instead of a cost.
 
Up until very recently this has been a liability and a challenge, immense quantity of heat needed to be removed employing even more energy for it. With the proper design, data center cooling systems can be converted into a heat source and a heat management opportunity that in turn converts the heat from a liability to an asset.  
 
The OCP Heat Reuse subgroup explores these challenges and opportunities. Its goal is to suggest solutions to allow easier implementations of technologies aimed at harnessing the heat and turn it into profit instead of a cost.


:This Project is open to the public and we welcome all those who would like to be involved.
:This Project is open to the public and we welcome all those who would like to be involved.
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===Project Leadership===
===Project Leadership===


===Incubation Committee Representative===
====Incubation Committee Representative====
 
:- [mailto:steve.mills@ocproject.net Steve Mills] (Meta)


===Project Leads===
:- [mailto:justin.steadman@ocproject.net Justin Steadman] (Rackspace)


:- [mailto:sean.sivapalan@ocproject.net Sean Sivapalan] (NVidia)
====Project Lead====
:- [mailto:john.fernandes@ocproject.net Jon Fernandes] (Meta)
:- [mailto:bret.lehman@ocproject.net Bret Lehman] (PCX)
:- [mailto:cosimo.pecchioli@ocproject.net Cosimo Pecchioli] (Castrol/BP)
:- [mailto:madhusudan.iyengar@ocproject.net Madhusudan Iyengar] (Google)


====Sub-project Leads====
====Sub-project Leads====
Main Sub-project Leads email address: [mailto:heatreuseleads@ocproject.net heatreuseleads@ocproject.net]
Main Sub-project Leads email address: [mailto:heatreuseleads@ocproject.net heatreuseleads@ocproject.net]
:- [mailto:jaime.comella@aq-compute.com Jaime Comella] (AQ Compute)
:- [mailto:cosimo.pecchioli@alfalaval.com Cosimo Pecchioli] (Alfa Laval)
:- [mailto:bharath.ramakrishnan@ocproject.net Bharath Ramakrishnan] (Microsoft)
:- [mailto:jaime.comella@cloudandheat.com Jaime Comella] (Cloud&Heat)
 
===Subproject structure===
 
====MAIN SUBPROJECT CALL: Heat Reuse====
3rd Tuesday of the month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET
 
:Guest presentations
 
:Discussion and presentation of the workstreams' results
 
====WORKSTREAMS:====
 
=====Reference Designs=====
 
1st Thursday of the month:  8-9 AM PT // 11-12 AM ET // 5-6 PM CET.
 
latest version of the white paper -work in progress-: https://docs.google.com/document/d/1PKqoQAz1jXdtvrERQpjBd_UdDFc1aXHN/edit?invite=COWE-9AP#heading=h.gjdgxs
 
Work:
:-How does a “heat recovery room” look like?
 
:-Definition of spacing, elements, basic parameters;
 
:-Influence of size;
 
:-In a second stage, define different application scenarios (district heating, greenhouse, swimming pool…) as variables of the base design;
 
Deliverables:
 
:-Reference tools (tools for equipment dimensioning);
 
:-Tables with equipment to be employed; tables with parameters;
 
:-Drawings;
 
 
Expertise: MEP knowledge, in particular hydraulic systems and controls, technical drawing, technical dimensioning
 
=====Heat Reuse Economics=====
 
2nd Thursday of the month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET.
 
Old name: TCO Analysis.
New name: Heat Reuse economics, a cost-benefit analysis (TCO+earnings)
 
 
Work:
 
:-Define how much does a baseline heat reuse project cost. Boundary: the data center exchange room.
 
:-Define variables and parameters of influence,
 
:-Potential earnings
 
:-In a second stage, define different application scenarios (district heating, greenhouse, swimming pool…) as variables of the base design
 
Deliverables:
 
:-model with the financials of heat reuse:
 
:-base case(s) definition / example case /parameters to consider / boundaries
 
:-Cost analysis of equipment
 
:-White paper with an analysis of the results
 
 
 
Expertise: MEP knowledge, in particular hydraulic systems and controls, technical drawing, technical dimensioning
 
 
(Necessary consideration of the results from other workstreams: Policies around heat reuse / Reference designs)  
 
=====Policies around Heat Reuse=====
 
1st Tuesday of each month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET.
 
Whitepaper published:  https://www.opencompute.org/documents/2024-02-22-ocp-heatreuse-wp-policies-vfinal-docx-2-pdf
 
Work:
 
:-identify barriers, needed actions and highlight sample policies around the globe for heat reuse in data centers
 
Deliverables
 
:Whitepaper:
 
:-an introduction/summary which makes the case for reusing data center waste heat;
 
:-a section which identifies key hurdles or barriers, general actions which governments can take, and 1-2 examples of good policies where they exist; and
 
:-a final section on potential people or organizations to engage who are outside of the OCP with whom we might engage. 
 
 
Expertise: Understanding of regulation bodies and how they are structured; the timelines; the language; the hierarchical levels
 
 
==Calendar==
 
:1st Tuesday of the month: HR Policies call
:1st Thursday of the month: HR Reference Designs call
:2nd Thursday of the month: HR Economics call
:3rd Tuesday of the month: General HR call
 
 
Check here when are our next calls and what are they going to be about:
 
https://docs.google.com/spreadsheets/d/1XJSZyONA3FZtDtCHIL85R6H3w9-jJvDVlfu3aRYKAJw/edit?usp=sharing
 
Here you have as well a google calendar with the next calls to download the invites: https://www.opencompute.org/projects/heat-reuse
Subscribe here to get reminders and be up-to-date with our latest news: https://ocp-all.groups.io/g/OCP-CE-Heat-Reuse


==Documents==
==Documents==
'''HEAT REUSE 101 ARTICLE''' final version
https://www.opencompute.org/documents/20230623-data-centers-heatreuse-101-3-2-docx-pdf




'''HEAT REUSE PROJECTS MAP'''


https://www.google.com/maps/d/edit?hl=en&hl=en&mid=1bTp4Ugy7FGwfPadNlmfZpYwGY5Z5B7o&ll=28.87172622901383%2C-40.21607810348212&z=3
----
 
 
'''POLICIES TO ACCELERATE DATA CENTER HEAT REUSE: ACHIEVING ECONOMIC AND CLIMATE CHANGE GOALS'''
 
https://www.opencompute.org/documents/2024-02-22-ocp-heatreuse-wp-policies-vfinal-docx-2-pdf
 
 
'''WHITE PAPER GUIDANCES FOR HEAT REUSE''' preliminary version (input and comments are welcome)
 
https://docs.google.com/document/d/1N0P8g1-nrhX4sNvbpcHIBIIsZhNg98A2/edit#
 
 
 
'''GUEST PRESENTATIONS'''
(yyyy mm dd)
 
2021 10 05 Cloud & Heat        - https://drive.google.com/file/d/1TLUX1hSPj80qSw-4hZR6Dxm1r8ixuHfK/view?usp=sharing
 
2021 11 23 Green Mountain      - https://drive.google.com/file/d/1eTAkymFu6h2DGAT92Rlz_M8ECTpQLZ0Y/view?usp=sharing
 
2021 12 02 LUMI                - https://drive.google.com/file/d/1MPJQPl9Xz79R5EgN2X3DWUQTBrJO5PZo/view?usp=sharing
 
2021 12 14 NREL                - https://drive.google.com/file/d/1W6hG85K4Oc6wiIk-MxPiFbGH9Q5tVp2N/view?usp=sharing
 
2022 01 11 Vattenfall          - https://drive.google.com/file/d/1UTaO-42rAYpMBWFIHcxKLCyfHIKKuGRT/view?usp=sharing
 
2022 01 25 Carrier            - https://drive.google.com/file/d/1jQkdSvOtTphPQmzMhMk4IhB_bz6V0JBn/view?usp=sharing
 
2022 03 08 Telehouse          - https://drive.google.com/file/d/1Aisd3IeU79h__trNnpyJS5A9Ac6TN2sU/view?usp=sharing
 
2022 04 19 Blockheating        - https://drive.google.com/file/d/1D4T6v8YXHSDAI4TX_ye_2DQHmzDfvuzL/view?usp=sharing
 
2022 05 03  Danfoss            - https://drive.google.com/file/d/1CQe4nE79F0qCyf2ysbn633uy9Z6UdCtL/view?usp=sharing
 
2022 05 31 Stanford            - https://drive.google.com/file/d/10vktrFh8hY7JAuzhc045Htx1kSkJosFg/view?usp=sharing
 
2022 07 26 Qarnot              - https://drive.google.com/file/d/1F9vgCaqMT59rrE0L7dm9UnHdAKU5TQ2H/view?usp=sharing
 
2022 08 09 Intel              - https://drive.google.com/file/d/17DL6b2NgrMGCJfLqSSlQj3lzsJSoTVri/view?usp=sharing
 
2022 09 06 Arcadis + Tomorrow Water              - https://drive.google.com/file/d/1L29i71Mh2JWu-uxW4h0VEZUWKktCjX7j/view?usp=sharing
 
2022 11 01 Quantum Loophole - https://www.youtube.com/watch?v=JrcaEGDKijU
 
2022 11 15 M&M Carnot -  https://drive.google.com/file/d/16qeAJ_iZIo885M1RjSNqjTk-yF-7Zu7X/view?usp=sharing
 
2023 01 24 Sabey - https://drive.google.com/file/d/1z_BgfxGrS1Ty9As4ntbrKpg6pr9Q2JdM/view?usp=share_link
 
2023 03 31 Data Center Dutch Association - https://drive.google.com/file/d/15jQBP0C6Ma-LuMEpiXs5AvjXkSS1yA9S/view?usp=share_link
 
2023 04 04 Bytes2Heat, University of Stuttgart, DENEFF, IWN - https://drive.google.com/file/d/10J9MoyqlKakgMNzyEtRfvaFs67DheSfM/view?usp=share_link
 
2023 05 02 2CRSi Heat Reuse - https://drive.google.com/file/d/1QQeZit_gpsJy3Bpa1OBWuUY5av8JruJA/view?usp=share_link
 
2023 05 16 QScale Canada - https://drive.google.com/file/d/10s_9k-P82SRxd3vn-czECIyhUInE38PL/view?usp=sharing
 
2023 07 11 DeepGreen - https://drive.google.com/file/d/1Jx8lGXfOE_Oh634NMYPVJ3sE84wcQnb8/view?usp=drive_link
 
2024 01 16 Microsoft - https://drive.google.com/file/d/1UXpsSDuVSX36_kyjmJZYshXOVapbGXo9/view?usp=sharing
 
-----------------------------


==Get Involved==
==Get Involved==
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==Regular Project Calls==
==Regular Project Calls==


:- This subproject currently meets monthly Tuesdays at 0800 PT 1100 ET 1700 CET
TBD
:- The different workstreams meet monthly:
::- Reference Designs, monthly Thursdays 8-9 AM PT // 11-12 AM ET // 5-6 PM CET. First call the 22nd of June 2023
::- TCO Analysis, monthly Thursdays 8-9 AM PT // 11-12 AM ET // 5-6 PM CET. First call the 29th of June 2023
::- Policies around Heat Reuse, monthly Tuesdays 8-9 AM PT // 11-12 AM ET // 5-6 PM CET. First call the 27th of June 2023
 
 
Call-in info and source of truth @ http://opencompute.org/projects/projects-calendar/ <br> If there is ever a conflict between calendar invites, the OCP Project Calendar info on the website prevails.  This call is open to the public. <br>
 
 
Please join the meetings from your computer, tablet or smartphone.
https://opencompute-org.zoom.us/j/87427111429?pwd=Mkc5QVFNSWF4SE00enlYdnhvRElxdz09#success
(same link for all meetings!)
 
 
If there is a cancellation, we will try our best to cancel >24hrs before the meeting by the calendars above.


==Recordings from Past Calls==
==Recordings from Past Calls==
:- [https://opencompute-org.zoom.us/rec/share/7gzy-qCXcVeFmQzXT3L-Qhufj4VNFL_Bfw6KkKYzoas0W81dembLgRMfzunMo5Bi.FO5R8Yq7Gf4SOSu4 Apr 16th, 2024]
:- [https://opencompute-org.zoom.us/rec/play/dEd2Tqrs-0YYFl9IaP-aUo6BjuxUzgkplMCzcjTKhm7dOB8oPWQ-EhHEDwAPdG74UU06KTXgncAK1FPs.9lKVK8PvSSHO-Zht?canPlayFromShare=true&from=my_recording&continueMode=true&pwd=MX7wI8T9XOHOLmAcXTZRKuNaNRGvGAit&componentName=rec-play&originRequestUrl=https%3A%2F%2Fopencompute-org.zoom.us%2Frec%2Fshare%2FRKgGecd2gm0GScVZ-DflgR_0gy_JtzIILOZgXlhagdAUNWUX-Ck4dFq-sEWagsyC.gS7p7bVA6IP8TWMc%3Fpwd%3DMX7wI8T9XOHOLmAcXTZRKuNaNRGvGAit Mar 14, 2024]
:- [https://www.youtube.com/watch?v=cDdt7zwMnkc Feb 20, 2024]
:- [https://www.youtube.com/watch?v=zsoHG7iSStw Feb 08, 2024]
:- [https://www.youtube.com/watch?v=VPdtcV5lRu4 Feb 06, 2024]
:- [https://www.youtube.com/watch?v=uAT2Bs72vrc Feb 01, 2024]
:- Jan 16, 2024 : [https://www.youtube.com/watch?v=8r1nvWseZOI Recording] | [https://drive.google.com/file/d/1UXpsSDuVSX36_kyjmJZYshXOVapbGXo9/view?usp=sharing Slides]
:- [https://www.youtube.com/watch?v=xPyly1wD_GM Jan 11, 2024]
:- [https://www.youtube.com/watch?v=0PmpyeQu2Nc Jan 09, 2024]
:- [https://www.youtube.com/watch?v=D5aYTXbpeys Jan 04, 2024]
:- [https://www.youtube.com/watch?v=g0LflBa0lzI Dec 19, 2023]
:- [https://www.youtube.com/watch?v=XIrMLeotMC4 Dec 14, 2023]
:- [https://www.youtube.com/watch?v=0ZJ9oYyCNR4 Dec 12, 2023]
:- [https://www.youtube.com/watch?v=YgpgubBYcWU Dec 07, 2023]
:- [https://www.youtube.com/watch?v=bNK1UcFtgyM Nov 21, 2023]
:- [https://www.youtube.com/watch?v=BbEsJJ1_Vzo Nov 16, 2023]
:- [https://www.youtube.com/watch?v=dVF08PB0_bQ Nov 14, 2023]
:- [https://www.youtube.com/watch?v=_GNICapxdS0 Nov 09, 2023]
:- [https://www.youtube.com/watch?v=BHxZnaHOrJw Oct 24, 2023]
:- [https://www.youtube.com/watch?v=J5jxYOAWKCo Oct 12, 2023]
:- [https://www.youtube.com/watch?v=GPnBQBmqomU Oct 03, 2023]
:- [https://www.youtube.com/watch?v=_1m82JPld6w Sep 21, 2023]
:- [https://www.youtube.com/watch?v=bUUY2ql6164 Sep 19, 2023]
:- [https://www.youtube.com/watch?v=djSW9EPpZsk Sep 14, 2023]
:- [https://www.youtube.com/watch?v=SNf0I-TIgD8 Sep 05, 2023]
:- [https://www.youtube.com/watch?v=P3jmjn9W_ns Aug 24, 2023]
:- [https://www.youtube.com/watch?v=6N0D19VL_KA Aug 22, 2023]
:- [https://www.youtube.com/watch?v=frcyQBjrSFo Aug 17, 2023]
:- [https://www.youtube.com/watch?v=Lok0m6aGKeE Aug 16, 2023]
:- [https://www.youtube.com/watch?v=70XVLbQj130 Aug 08, 2023]
:- [https://www.youtube.com/watch?v=B1gvd5I46hw November 15th, 2022]
:- [https://www.youtube.com/watch?v=JrcaEGDKijU November 1st, 2022]
:- [https://www.youtube.com/watch?v=vkqW4ItSCyI September 20th, 2022]
:- [https://www.youtube.com/watch?v=7Iv-q6B78N0 September 6th, 2022]
:- [https://www.youtube.com/watch?v=Lh7V5PKrjp0 August 23, 2022]
:- [https://www.youtube.com/watch?v=6Qzh8DVwMs8 August 9, 2022]
:- [https://www.youtube.com/watch?v=GmvKJA89Lcw July 26th, 2022]
:- [https://www.youtube.com/watch?v=E1AprWbS180 July 12th, 2022]
:- [https://www.youtube.com/watch?v=GiC2rRkJrzg June 28th, 2022]
:- June 14th, 2022 - No recording
:- [https://www.youtube.com/watch?v=unM-Szg1hlM May 31st, 2022]
:- [https://www.youtube.com/watch?v=9zRIWeyXiw4 May 10th, 2022]
:- [https://www.youtube.com/watch?v=i54egztqB5w April 26th, 2022]
:- [https://www.youtube.com/watch?v=rRenZGDfywA April 19th, 2022]
:- [https://www.youtube.com/watch?v=4jEzzaVa_Yc April 5th, 2022]
:- [https://www.youtube.com/watch?v=sMIFi0j5F2g March 22nd, 2022]
:- [https://www.youtube.com/watch?v=mFfYRaUnNzE March 8th, 2022]
:- [https://www.youtube.com/watch?v=pYCCBHdd75w February 22nd, 2022]
:- [https://www.youtube.com/watch?v=6YXrgO77VSQ February 8th, 2022]
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