Photo credits

Category photos illustrate equipment types. They do not show products of any listed supplier.

Used for	Photo	Photographer	Licence
Hero and social preview	Modern Data Center Rooftop Infrastructure for Critical Cooling Systems on Adobe Stock (opens in a new tab)	Tom via Adobe Stock	Adobe Stock Standard License, asset 2038515604
CDUs & Direct Liquid Cooling	A Person Working with Industrial Machinery on Pexels (opens in a new tab)	cang hai via Pexels	Pexels License
Immersion Cooling	Silver and Blue Circuit Board on Pexels (opens in a new tab)	Andrey Matveev via Pexels	Pexels License
Chillers & Precision Cooling	Aerial Photography of Brown Concrete Building on Pexels (opens in a new tab)	Sergei A via Pexels	Pexels License
Heat Rejection	Fans on Roof on Pexels (opens in a new tab)	tu nguyen via Pexels	Pexels License
UPS & Power Distribution	Industrial Worker Inspecting Batteries in Warehouse on Pexels (opens in a new tab)	Heru Dharma via Pexels	Pexels License
Switchgear & Transformers	Industrial Electrical Control Room Interior on Pexels (opens in a new tab)	Shameer Vayalakkad Hydrose via Pexels	Pexels License
Gensets & On-site Power	Industrial Emergency Generator Room with Heavy Duty Cable Trays on Adobe Stock (opens in a new tab)	Memory via Adobe Stock	Adobe Stock Standard License
BESS & Energy Storage	Vast Solar Farm Under Blue Sky in Rural Landscape on Pexels (opens in a new tab)	Giant Asparagus via Pexels	Pexels License

Company logos and country flags

Logos identify companies named in our reporting. They come from Wikimedia Commons or Simple Icons or, for some supplier cards where Commons has no file, the company's own website. They are shown unchanged and do not imply any endorsement or relationship. Trademarks belong to their owners.

Google: Simple Icons (opens in a new tab), CC0.
Amazon Web Services: Amazon_Web_Services_Logo.svg (opens in a new tab), Apache License 2.0.
Samsung: Samsung_wordmark.svg (opens in a new tab), Public domain.
SK Group: SK_logo.svg (opens in a new tab), Public domain.
OpenAI: OpenAI_Logo.svg (opens in a new tab), Public domain.
SoftBank: SoftBank_logo.svg (opens in a new tab), Public domain.
Equinix: Equinix_logo.svg (opens in a new tab), Public domain.
Hitachi: Hitachi_logo.svg (opens in a new tab), Public domain.
Bharti Airtel: Bharti_Airtel_Logo.svg (opens in a new tab), Public domain.
Microsoft: Microsoft_logo.svg (opens in a new tab), Public domain.
Tencent: Tencent_Logo.svg (opens in a new tab), Public domain.
NVIDIA: Simple Icons (opens in a new tab), CC0.
DeepSeek: Simple Icons (opens in a new tab), CC0.
Amazon: Amazon_icon.svg (opens in a new tab), Public domain.
Meta: Simple Icons (opens in a new tab), CC0.
Oracle: Simple Icons (opens in a new tab), CC0.
Broadcom: Simple Icons (opens in a new tab), CC0.
Mistral AI: Simple Icons (opens in a new tab), CC0.
Anthropic: Simple Icons (opens in a new tab), CC0.
Dominion Energy: Dominion_Energy_logo.svg (opens in a new tab), Public domain.
American Electric Power: AEP_logo.svg (opens in a new tab), Public domain.
Southern Company: Southern_Company_logo.svg (opens in a new tab), Public domain.
Duke Energy: Duke_Energy_logo.svg (opens in a new tab), Public domain.
Xcel Energy: Xcel-energy.svg (opens in a new tab), Public domain.
Intel: Intel_logo_(2020,_light_blue).svg (opens in a new tab), Public domain.
TSMC: TSMC_wordmark.svg (opens in a new tab), Public domain.
SK hynix: SK_Hynix.svg (opens in a new tab), Public domain.
Micron Technology: Micron_Technology_logo.svg (opens in a new tab), Public domain.
Eaton: Eaton_Corporation_logo.svg (opens in a new tab), Public domain.
Vertiv: Vertiv_logo.svg (opens in a new tab), Public domain.
Schneider Electric: Schneider_Electric_2007.svg (opens in a new tab), Public domain.
GE Vernova: GE_Vernova_logo.svg (opens in a new tab), Public domain.
ABB: ABB_logo.svg (opens in a new tab), Public domain.
Digital Realty: Digital_Realty_TM_Brandmark_RGB_Black.svg (opens in a new tab), CC BY-SA 4.0, by Digital Realty Global.
CoreWeave: CoreWeave_logo.svg (opens in a new tab), Public domain.
AMD: AMD_Logo.svg (opens in a new tab), Public domain.
Arista Networks: Arista-networks-logo.svg (opens in a new tab), Public domain.
Supermicro: Super_Micro_Computer_Logo.svg (opens in a new tab), Public domain.
Vistra: Vistra_logo.svg (opens in a new tab), Public domain.
Bloom Energy: Bloom_Energy_logo.svg (opens in a new tab), Public domain.
Caterpillar: Caterpillar_logo.svg (opens in a new tab), Public domain.
Cummins: Cummins_logo.svg (opens in a new tab), Public domain.
Comfort Systems USA: Comfort_Systems_USA_logo.svg (opens in a new tab), Public domain.
Corning: Corning_Incorporated_Logo.svg (opens in a new tab), Public domain.
Coherent Corp.: Coherent_logo.svg (opens in a new tab), Public domain.
Lumentum: Lumentum_logo_dark_2015.svg (opens in a new tab), Public domain.
Carrier Global: Logo_of_the_Carrier_Corporation.svg (opens in a new tab), Public domain.
Supplier card logo, vertiv: Wikimedia Commons, As used on CoolPower Index since Oct 2026.
Supplier card logo, schneider electric: Wikimedia Commons, As used on CoolPower Index since Oct 2026.
Supplier card logo, eaton: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, trane: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, carrier: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, johnson controls york: Johnson Controls website (opens in a new tab), Trademark of Johnson Controls, shown for identification.
Supplier card logo, kelvion: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, stulz: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, rittal: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, abb: Wikimedia Commons, As used on CoolPower Index since Oct 2026.
Supplier card logo, siemens: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, munters: Munters website (opens in a new tab), Trademark of Munters, shown for identification.
Supplier card logo, coolit systems: CoolIT Systems website (opens in a new tab), Trademark of CoolIT Systems, shown for identification.
Supplier card logo, motivair by schneider electric: Motivair website (opens in a new tab), Trademark of Motivair, shown for identification.
Supplier card logo, cummins: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, caterpillar: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, rolls royce power systems mtu: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, nvent: nVent website (opens in a new tab), Trademark of nVent, shown for identification.
Supplier card logo, ge vernova: Wikimedia Commons, As used on CoolPower Index since Oct 2026.
Supplier card logo, alfa laval: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, bloom energy: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, generac: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, modine: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, legrand: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, aggreko: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, arista networks: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, armstrong fluid technology: Armstrong Fluid Technology website (opens in a new tab), Trademark of Armstrong Fluid Technology, shown for identification.
Supplier card logo, boyd: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, chilldyne: Chilldyne website (opens in a new tab), Trademark of Chilldyne, shown for identification.
Supplier card logo, cisco: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, cooler master: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, daikin applied: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, delta electronics: Delta Electronics website (opens in a new tab), Trademark of Delta Electronics, shown for identification.
Supplier card logo, enersys: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, evapco: EVAPCO website (opens in a new tab), Trademark of EVAPCO, shown for identification.
Supplier card logo, fluence: Fluence website (opens in a new tab), Trademark of Fluence, shown for identification.
Supplier card logo, g ntner: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, green revolution cooling grc: GRC website (opens in a new tab), Trademark of GRC, shown for identification.
Supplier card logo, hitachi energy: Wikimedia Commons (opens in a new tab), CC BY-SA 4.0.
Supplier card logo, hitec power protection: Hitec Power Protection website (opens in a new tab), Trademark of Hitec Power Protection, shown for identification.
Supplier card logo, hpe juniper networking: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, huawei digital power: Huawei Digital Power website (opens in a new tab), Trademark of Huawei, shown for identification.
Supplier card logo, jetcool: JetCool website (opens in a new tab), Trademark of JetCool, shown for identification.
Supplier card logo, ksb: Wikimedia Commons (opens in a new tab), CC BY-SA 4.0.
Supplier card logo, lg electronics: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, ls electric: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, lucy electric: Lucy Electric website (opens in a new tab), Trademark of Lucy Electric, shown for identification.
Supplier card logo, mitsubishi electric hydronics it cooling: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, mitsubishi electric: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, nokia: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, ormazabal: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, skeleton technologies: Skeleton Technologies website (opens in a new tab), Trademark of Skeleton Technologies, shown for identification.
Supplier card logo, spx cooling tech marley: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, starline legrand: Starline website (opens in a new tab), Trademark of Legrand, shown for identification.
Supplier card logo, submer: Wikimedia Commons (opens in a new tab), CC BY-SA 4.0.
Supplier card logo, tranter: Wikimedia Commons (opens in a new tab), CC BY 4.0.
Supplier card logo, w rtsil: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, wilo: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, xylem: Wikimedia Commons (opens in a new tab), Public domain.
Supplier card logo, zincfive: Wikimedia Commons (opens in a new tab), CC BY-SA 4.0.
Supplier card logo, zutacore: ZutaCore website (opens in a new tab), Trademark of ZutaCore, shown for identification.
Country flags: flag-icons by Panayiotis Lipiridis, MIT licence. Licence text. Logos and flags on AI news are credited in the methodology.

Open data licences

European wholesale electricity prices on Markets & Investment: Ember, European Wholesale Electricity Price Data (monthly, CC-BY-4.0, updated 4 Nov 2026) (opens in a new tab), licensed under CC BY 4.0 (opens in a new tab). Ember compiles it from ENTSO-E, EMR and SEMOpx. We kept 13 countries and complete months only, and worked out the averages ourselves.

DC Explorer 3D models and software

Conceptual campus, data hall and component models, posters and explorer code: original CoolPower Index library, MIT licence. Licence text. No vendor CAD, stock models or real facility plans are used.
Technical references (U.S. Department of Energy, NVIDIA) explain system functions only. They do not validate the geometry or imply endorsement.