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TNNet

Rank 2 · Data center services · Checked 17.10.2026

Websitetnnet.fi
OwnerTNNet Oy (Business ID 0752911-8) is a data centre operator based in Jyväskylä, whose rock data centre is located in Vaajakoski in a former Defence Forces cave complex.
Business ID0752911-8
Registered in Finland (PRH)1989
LCP (mobile)9.7 s
Basic metrics74.9, rank 1
61.5SCORE
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On the basic metrics alone, the score was 74.9 and the rank 1. The score is now 61.5 and rank 2 (▼ 1 place). The difference comes from buying motives: they measure what the buyer asks before deciding.

AI SUMMARY · AI ALGORITHM · 20.8.2026

TNNet on Keski-Suomen kalliodatakeskus, joka kertoo läpinäkyvästi sijainnin, TIA-942 Tier-3 -suunnittelutason, ISO 27001 -sertifioinnin, energiatehokkuuden (fossiilivapaa sähkö ja noin 90 % hukkalämmön talteenotto) sekä fyysisen turvallisuuden yksityiskohdat. Usein kysyttyä -osio ja selkeät yhteystiedot Y-tunnuksineen tekevät siitä yhden avoimimmista toimijoista. Vain hinnoittelu jää tarjouspyynnön taakse.

Strengths

  • The location and nature of the data centre are described precisely: in Jyväskylä, in the depths of the Defence Forces' former cavern complex, Varikkotie 160, Vaajakoski, with the structure designed to TIA-942 Tier-3 level
  • Energiatehokkuus kuvattu konkreettisesti: fossiilivapaa sähkö ja noin 90 % konesalin lauhdelämmöstä hyödynnetään alueen lämmitykseen
  • Fyysinen turvallisuus eritelty: sähköinen kulunvalvonta, tallentava kameravalvonta, automaattinen Argon-kaasusammutus ja 24/7 kulkuoikeus colocation-asiakkaille

Areas to improve

  • Hinnoittelua tai hinnoittelumallia ei esitetä ilman tarjouspyyntöä
  • Tarkkaa käytettävyysprosenttia (esimerkiksi 99,99 %) ei ilmoiteta, vain suunnittelutason vikasietoisuus (Tier-3)
  • Chat-tukea tai mobiilisovellusta ei ole tarjolla

How the score is calculated

Buying motives checked on 17.10.2026 and basic metrics measured on 20.8.2026 from public sources. Same formula for everyone, read the full methodology.

Total score · weighted total

61.5 / 100
Data centre ISO 2700118 p × 100.0 %18.0
Price is shown before the quote12 p × 0.0 %0.0
Usability promise8 p × 0.0 %0.0
Access to own devices6 p × 0.0 %0.0
Waste heat put to use6 p × 100.0 %6.0
Basic metrics50 % × 74,937.5

Buying motives · weight 50 p

24,0 / 50
MetricMeasured valueSourcePoints
Data centre ISO 27001The server room is covered by the ISO 27001 certificatetnnet.fi
checked 17.10.2026
18.0 / 18
Price is shown before the quoteThe price is not published, services are specified per customertnnet.fi
checked 17.10.2026
0.0 / 12
Usability promiseThe availability percentage is not stated on the data centre services page. The page says only that Tier-3 has been taken into account in the design.tnnet.fi, data centre services
checked 17.10.2026
0.0 / 8
Access to own devicesThe terms of visits are not stated on the data centre services page.tnnet.fi, data centre services
checked 17.10.2026
0.0 / 6
Waste heat put to useData centre waste heat is used to heat the areatnnet.fi
checked 17.10.2026
6.0 / 6

If information is missing, the row gets 0 points and the reason is shown. Points rise when the company publishes the information.

Basic metrics · weighted sum, 50% of total points

74.9 / 100
Digital quality30 % × 71,521.4
Transparency30 % × 90,027.0
Reachability20 % × 60,012.0
AI quality score20 % × 64,913.0
Certification bonusmax +3.0+1,5

Digital quality · weight 30%

71.5 / 100
MetricMeasured valueSourcePoints
Performance (mobile)37/100Technical measurement14.8 / 40
Accessibility89/100Technical measurement26.7 / 30
Findability (SEO)100/100Technical measurement15.0 / 15
Technical practices100/100Technical measurement15.0 / 15

Transparency · weight 30%

90.0 / 100
MetricMeasured valueSourcePoints
Location of data centres in Finland (town or address) stated
OBSERVATION'Jyväskylästä Puolustusvoimien entisen luolaston uumenista'; 'Varikkotie 160, 40800 Vaajakoski'.
YesWebsite + AI extraction18.0 / 18
Availability promise (SLA or uptime %) or fault tolerance level (Tier/TIA-942) stated
OBSERVATIONSuunnittelutaso 'TIA-942' (Tier-3) sekä 'Viestintävirasto - erittäin tärkeä tila 54A/2012M'.
YesWebsite + AI extraction20.0 / 20
Energy efficiency stated: PUE figure, renewable energy or waste heat utilisation
OBSERVATION'fossiilivapaa sähkö'; 'Konesalin lauhde hyödynnetään alueen lämmitykseen', noin 90 % talteen.
YesWebsite + AI extraction15.0 / 15
Certifications (ISO/IEC 27001, ISO 14001, Katakri etc.) displayed by name
OBSERVATION'ISO27001-sertifikaatti'; suunnittelussa TIA-942, Katakri ja VAHTI.
YesWebsite + AI extraction15.0 / 15
Pricing, starting price or pricing model stated without a request for quotation
OBSERVATIONhinnoittelua ei esitetä, edellyttää yhteydenottoa.
NoWebsite + AI extraction0.0 / 10
Physical security and access control described (CCTV, access management)
OBSERVATION'Sähköinen kulunvalvonta ja tallentava kameravalvonta'; 'Automaattinen Argon-kaasusammutusjärjestelmä'; 'Colocation-palvelussa mahdollisuus omaan kulkuoikeuteen 24/7'.
YesWebsite + AI extraction10.0 / 10
Business ID or responsible company clearly displayed
OBSERVATIONYhteystiedot-sivulla Y-tunnus 0752911-8.
YesWebsite + AI extraction12.0 / 12

Reachability · weight 20%

60.0 / 100
MetricMeasured valueSourcePoints
Phone number shown
OBSERVATION'0103091302' (asiakaspalvelu), '0103091301'.
YesWebsite + AI extraction30.0 / 30
Email shown
OBSERVATIONasiakaspalvelu@tnnet.fi, myynti@tnnet.fi.
YesWebsite + AI extraction15.0 / 15
Chat supportNoWebsite + AI extraction0.0 / 15
Opening hours shownNoWebsite + AI extraction0.0 / 15
FAQ section
OBSERVATIONOsio 'Usein kysyttyä - Konesalipalvelut'.
YesWebsite + AI extraction15.0 / 15
Mobile appNoWebsite + AI extraction0.0 / 10

AI quality score · weight 20%

64.9 / 100
MetricMeasured valueSourcePoints
Clarity of information90/100AI analysis30.6 / 34
Findability of pricing12/100AI analysis4.0 / 33
Content coverage92/100AI analysis30.4 / 33

Certifications (bonus)

+1.5 pts
CertificationStatusBonus
ISO/IEC 27001
OBSERVATIONtnnet.fi konesalipalvelut
Verified+1,5

Verified certifications and audits add to the total score (max +3.0). How the bonus is calculated →

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The free pre-analysis shows every item where points are lost and how much fixing it raises the score and rank. The paid analysis shows what the items are and how to fix them.

With website and information fixes you gain at most +37.6 points: 61.5 → 99.1, rank 2 → 1.

See the free pre-analysis The analysis does not change the score. Only improving the metrics does.

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