{ "schemaVersion": "1.0.0", "constitutionVersion": "1.0.0", "createdAt": "2026-08-12T00:00:00Z", "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.", "entity": { "type": "project", "id": "warsaw-district-heating-network", "title": "Veolia's Remote-Controlled District Heating Network in Warsaw", "canonicalUrl": "https://1001smartcities.org/projects/warsaw-district-heating-network/" }, "currentRevisionId": "2026-10-17-baseline", "revisions": [ { "id": "2026-10-17-baseline", "createdAt": "2026-10-17T22:29:08Z", "effectiveAt": "2026-10-17", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 26 claims and 14 source dossiers.", "preparedBy": { "type": "automation", "label": "AI-assisted evidence preparation", "humanApproved": false }, "review": { "status": "unreviewed", "by": null, "date": null, "note": "Awaiting operator and domain-expert review; publication of this revision implies neither." }, "changes": [ { "operation": "add", "path": "/evidencePassport", "summary": "Added claim-level evidence mapping and source dossiers." }, { "operation": "add", "path": "/revisionHistory", "summary": "Established a permanent, hash-addressed baseline revision." } ], "snapshotHash": "sha256:ad4267833704205bccf39a100473f845f1108b055e0ab43db24222bfe4ced65a", "snapshot": { "asOf": "2026-10-17", "projectFingerprint": "sha256:0b27e81e709b36b88c8ca806acc8446ce1c895fc5f4c903bd94c00b30e03cf08", "assurance": { "status": "unreviewed", "scope": "evidence-passport-revision", "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.", "machineChecks": [ "schema", "publication-diff-contract", "material-project-fingerprint", "claim-text-drift", "source-reference-resolution", "complete-source-dossier", "snapshot-hash" ] }, "projectState": { "status": "live", "outcome": "ongoing", "evidenceGrade": "independent", "timeline": { "started": 2015, "ended": null } }, "governance": { "operator": "Veolia Energia Warszawa S.A. (private owner and operator of the municipal network since 2011; formerly SPEC, then Dalkia Warszawa); heat produced mainly by ORLEN Termika; tariffs approved by the Energy Regulatory Office (URE)", "actorTypes": [ "utility", "private" ], "fundingModel": "mixed", "fundingDescription": "Intelligent Heating Network (ISC) 1.0: 52 million złoty, 30% co-financed by NFOŚiGW. ISC 2.0: nearly 65 million złoty, of which a grant of nearly 31 million złoty from NFOŚiGW. Veolia states it invests about 100 million złoty a year in the network.", "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-c8b83783b40ab9cd", "field": "snippet", "text": "about 1,878 km of pipe serving some 19,000 buildings and 80% of the city's heat needs", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-f73ef44eecc0f32c" ], "supportNote": "The city's crisis plan gives the network length as about 1,878 km, says Veolia supplies about 19,000 buildings and that the municipal system covers 80% of the city's heat needs.", "caveat": "The operator itself rounds the length to nearly 1,900 km; the figure grows by several kilometres a year.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-75497be1493b9c26", "field": "snippet", "text": "belongs to a private company, Veolia Energia Warszawa", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-f73ef44eecc0f32c" ], "supportNote": "The city's crisis plan names Veolia Energia Warszawa as owner of the municipal heating network.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-f7f3ac080c4308ca", "field": "snippet", "text": "In 2011 the city sold 85% of its municipal heat utility SPEC to Dalkia", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-9040202ed7496739", "src-41db6c63bce774ec" ], "supportNote": "The council approved the sale of 85% of SPEC's shares to Dalkia in August 2011; money.pl confirms the 85% stake was bought and that the European Commission also approved the sale.", "caveat": "The remaining 15% of shares went to employees free of charge.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-fc85ac3fcf73958a", "field": "snippet", "text": "whose Warsaw company is now Veolia Energia Warszawa", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-41db6c63bce774ec", "src-f73ef44eecc0f32c" ], "supportNote": "money.pl states that Veolia Energia Warszawa operated a few years earlier as Dalkia Warszawa; the city's plan writes 'Veolia Energia Warszawa S.A. (dawniej Dalkia Warszawa S.A.)'.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-86f34aebf3b816b0", "field": "snippet", "text": "for 1.44 billion złoty", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-9040202ed7496739" ], "supportNote": "The council report gives the price of 1.44 billion złoty for the 85% stake.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-3ff9dc6d43f4dfe5", "field": "snippet", "text": "The network buys its heat from seven sources", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-f73ef44eecc0f32c" ], "supportNote": "The crisis plan lists seven heat sources feeding the municipal system, including the Siekierki and Żerań CHP plants.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-85c55b3415b4f968", "field": "snippet", "text": "combined heat and power plants that ORLEN Termika operates in Warsaw", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-a256c0ba32dee47a" ], "supportNote": "The regulator's 2025 decision on ORLEN Termika refers to the combined heat and power plants the company operates in Warsaw and Pruszków.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ecc95d68e1eb319c", "field": "snippet", "text": "the national regulator URE approves each company's tariff", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-6282c9990b15ebfd", "src-a256c0ba32dee47a" ], "supportNote": "Two decisions of the President of URE approve, for one year each, the heat tariffs of Veolia Energia Warszawa (December 2023) and ORLEN Termika (March 2025).", "caveat": "The find string appears in both decisions.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5b05932548c8cf6b", "field": "snippet", "text": "Between 2015 and 2017 Veolia put three pumping stations, 79 heating chambers and 2,500 substations under remote control", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-71437490b927639d", "src-721d6cf46c17578a" ], "supportNote": "The project was announced in February 2015 with completion planned by mid-2017; the June 2017 report of its final phase names remote control of three pumping stations, 79 heating chambers and 2,500 substations.", "caveat": "Both reports relay the operator's own statements.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-1df534833cadb19a", "field": "snippet", "text": "from a single dispatch centre, whose display wall maps network parameters and potential failure points", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-721d6cf46c17578a" ], "supportNote": "The 2017 report says management runs from one decision centre and the new display wall in the dispatch room shows a map of network parameters including potential failure locations.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-077883c7f09e519f", "field": "snippet", "text": "A second phase, part-funded by a national grant, covers 5,814 substations", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-d03caf17193b08a8", "src-e2ff128b6b2b83a7" ], "supportNote": "NFOŚiGW reports its grant for Intelligent Heating Network 2.0; Veolia's 2025 release gives its scope as 5,814 substations and 14 chambers.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-4627d07e77ac7a9e", "field": "snippet", "text": "is due to finish by the end of 2027", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-d03caf17193b08a8" ], "supportNote": "The fund states that completion is planned by the end of 2027.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5ac278f416bb775a", "field": "impact", "text": "heat lost in the network fell from 13.9% of heat consumed in 2015 to 10.9% in 2020", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-a5e7dfc1fe586e81" ], "supportNote": "NIK's infographic of heat losses as a share of heat consumed shows Warsaw at 13.9% in 2015 and 10.9% in 2020, a fall of 3.0 points.", "caveat": "The audit office reports the figure; it does not evaluate the remote-control system itself.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-23c17f8afbcc1cd4", "field": "impact", "text": "one of the lowest shares among the municipalities it audited", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-a5e7dfc1fe586e81" ], "supportNote": "NIK lists Warsaw (10.9%) among the municipalities with the lowest loss share in 2020, after Nowy Sącz, Pszczyna and Kielce.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-7414184c9cfa049a", "field": "impact", "text": "above the 4% that government documents call desirable", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-a5e7dfc1fe586e81" ], "supportNote": "NIK states that at the end of 2020 the loss share in every audited municipality exceeded the desirable level of 4% named in government documents.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-642a79501d1d7625", "field": "impact", "text": "Veolia reports 43% fewer failures in 2024 than in 2013", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-e2ff128b6b2b83a7" ], "supportNote": "The operator's 2025 release states the number of failures fell by 43% in 2024 compared with 2013.", "caveat": "Operator figure; the release does not define what counts as a failure.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-f71ce9fd39c52036", "field": "impact", "text": "credits the first remote-control phase with 14% lower heat losses and 40% fewer failures over nine years", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-e2ff128b6b2b83a7" ], "supportNote": "Veolia's chief executive attributes these reductions to the ISC 1.0 project.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-7a0f5f920fb419c1", "field": "impact", "text": "without a method separating the digital layer from pipe replacement", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-e2ff128b6b2b83a7" ], "supportNote": "The release gives the ISC figures without baseline years, a control or any method, while the same release reports the replacement of old channel pipes with pre-insulated pipe over the same period; there is no passage to quote for an absence.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-9144a9bf43dc2b43", "field": "impact", "text": "almost 60% of the network is now factory-insulated pipe", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-e2ff128b6b2b83a7" ], "supportNote": "The operations director says almost 60% of the network length is factory-insulated pipe.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-c707e673d345c289", "field": "impact", "text": "A local news count gives 408 failures in 2013 and 319 in 2025, 24% of them unexpected", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b3599d8c42ec45d5" ], "supportNote": "The local report gives 408 incidents in 2013 and 319 in 2025 and says only 24% of the 2025 failures were unexpected.", "caveat": "The report does not name the source of its figures, which match the operator's own reporting categories.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-95b5f664a073df64", "field": "impact", "text": "On 11 December 2019 a burst transmission main scalded two people and lowered pressure and temperature across Warsaw until other plants took over", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-7fa3570e04c70977" ], "supportNote": "RMF24 reports the 11 December 2019 failure near Powsińska Street: two people scalded ('W wyniku awarii ucierpiały dwie osoby'), lower pressure and temperature felt across Warsaw at noon, the Żerań and Kawęczyn plants raising output to take over the areas fed from Siekierki.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-10b16d840eceaefa", "field": "impact", "text": "after further failures in January 2021 a deputy climate minister set up a working group on the network's privatisation", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-ed72150c896d1ba1" ], "supportNote": "PAP reports that deputy climate minister Jacek Ozdoba announced a working group on the privatisation of the capital's heating network after the recent failures.", "caveat": "No findings of the working group were located.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e295713956ea47eb", "field": "impact", "text": "Veolia and the heat producer PGNiG Termika disputed whether a fault at the Żerań plant was to blame", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-ed72150c896d1ba1" ], "supportNote": "Veolia blamed temperature swings in water from the Żerań plant after a fault there; PGNiG Termika said the network failures had no connection with it.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-7822a015df213b71", "field": "lesson", "text": "Warsaw adopted heat-supply planning assumptions in 2003 and replaced them only in August 2020", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-a5e7dfc1fe586e81" ], "supportNote": "NIK reports that after adopting heat-supply planning assumptions on 3 October 2003, the city contracted an update only in 2015 and adopted it by council resolution on 27 August 2020, and calls this improper planning and risk management.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-a5f5d99f54262021", "field": "lesson", "text": "with a document that names no concrete tasks for anyone", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-a5e7dfc1fe586e81" ], "supportNote": "NIK quotes the 2020 assumptions' own introduction: they indicate no concrete material or organisational undertakings to be carried out by anyone; NIK does not accept the city's argument that this is not their purpose.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-0e6837bbbed60dba", "field": "lesson", "text": "in 2019 the cause of poor return-water cooling was still established by sending a fitter to the building", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-e5306e1317bebed9" ], "supportNote": "The 2019 paper, using Warsaw substation data, states that the cause of insufficient cooling is currently determined after an intervention, a visit to the substation, and proposes on-line algorithms instead.", "caveat": "One co-author works for the operator.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-f73ef44eecc0f32c", "title": "Miasto Stołeczne Warszawa — Plan zarządzania kryzysowego: awaria ciepłownicza (2023 edition)", "url": "https://bip.um.warszawa.pl/documents/d/stoleczne-centrum-bezpieczenstwa/9-awaria-cieplownicza", "publisher": { "name": null, "domain": "bip.um.warszawa.pl", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-c8b83783b40ab9cd", "clm-75497be1493b9c26", "clm-fc85ac3fcf73958a", "clm-3ff9dc6d43f4dfe5" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-17", "dossierCreatedAt": "2026-10-17", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Chapter of the City of Warsaw's crisis management plan on heating failures: Veolia Energia Warszawa (formerly Dalkia Warszawa) owns the municipal network of about 1,878 km, supplies about 19,000 buildings through 18,520 substations and covers 80% of the city's heat needs; the system draws on seven heat sources.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-9040202ed7496739", "title": "Gazeta Prawna — Radni zgodzili się na sprzedaż akcji SPEC", "url": "https://www.gazetaprawna.pl/biznes/artykuly/11196726,radni-zgodzili-sie-na-sprzedaz-akcji-spec.html", "publisher": { "name": null, "domain": "gazetaprawna.pl", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-f7f3ac080c4308ca", "clm-86f34aebf3b816b0" ], "temporal": { "publishedAt": "2011-08-25", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-17", "dossierCreatedAt": "2026-10-17", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "The Warsaw city council approves, 32 votes to 22, the sale of 85% of the municipal heat company SPEC to Dalkia Polska for 1.44 billion złoty; the remaining 15% goes to employees free of charge.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-41db6c63bce774ec", "title": "money.pl — Morawiecki wypomina Warszawie prywatyzację spółki", "url": "https://www.money.pl/gospodarka/morawiecki-wypomina-warszawie-prywatyzacje-spolki-kilka-lat-temu-jego-bank-zachwalal-te-transakcje-6530600456717953a.html", "publisher": { "name": null, "domain": "money.pl", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-f7f3ac080c4308ca", "clm-fc85ac3fcf73958a" ], "temporal": { "publishedAt": "2020-07-10", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-17", "dossierCreatedAt": "2026-10-17", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Recounts the 2011 sale of SPEC as the prime minister attacks it in an election campaign; identifies Veolia Energia Warszawa as the former Dalkia Warszawa and notes the European Commission also approved the sale.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-6282c9990b15ebfd", "title": "URE — Decision approving the heat tariff of Veolia Energia Warszawa (22 Dec 2023)", "url": "https://bip.ure.gov.pl/download/3/17855/VeoliaEnergiaWarszawa.pdf", "publisher": { "name": null, "domain": "bip.ure.gov.pl", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-ecc95d68e1eb319c" ], "temporal": { "publishedAt": "2023-12-22", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-17", "dossierCreatedAt": "2026-10-17", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "The President of the Energy Regulatory Office approves Veolia Energia Warszawa's heat tariff for one year, citing the duty to balance the interests of end users connected to Warsaw's municipal network.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-a256c0ba32dee47a", "title": "URE — Decision approving the heat tariff of ORLEN Termika (14 Mar 2025)", "url": "https://bip.ure.gov.pl/download/3/19402/ORLENTERMIKA.pdf", "publisher": { "name": null, "domain": "bip.ure.gov.pl", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-85c55b3415b4f968", "clm-ecc95d68e1eb319c" ], "temporal": { "publishedAt": "2025-03-14", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-17", "dossierCreatedAt": "2026-10-17", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "The regulator approves the heat tariff of ORLEN Termika, which operates combined heat and power plants in Warsaw and Pruszków, and refers to Veolia Energia Warszawa as the distributor of Warsaw's municipal heating network.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-71437490b927639d", "title": "Gramwzielone.pl — W Warszawie powstanie inteligentna sieć ciepłownicza", "url": "https://www.gramwzielone.pl/dom-energooszczedny/14970/w-warszawie-powstanie-inteligentna-siec-cieplownicza-2", "publisher": { "name": null, "domain": "gramwzielone.pl", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-5b05932548c8cf6b" ], "temporal": { "publishedAt": "2015-02-25", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-17", "dossierCreatedAt": "2026-10-17", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Relays Veolia's announcement of the Intelligent Heating Network (ISC): 52 million złoty, 30% co-financed by NFOŚiGW, remote control of 3 pumping stations, 79 heating chambers and 2,500 substations, previously adjusted by hand on site; 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ISC 2.0 covers 5,814 substations and 14 chambers; the company credits ISC 1.0 with 14% lower heat losses and 40% fewer failures over nine years; almost 60% of the network is factory-insulated pipe. 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