1001 Smart Cities

Permanent project revision

GrowSmarter

Revision 2026-10-14-baseline · effective 2026-10-14

Current revision. This is the snapshot used by the live entity page.

unreviewed

Created the first structured Evidence Passport with 12 claims and 5 source dossiers.

sha256:9ded063500c5047aa8e652bbb0d974c7f7d6fe45c9676ec55956a774a1d04512
All revisions → Current entity page →

Change set

  • add /evidencePassport — Added claim-level evidence mapping and source dossiers.
  • add /revisionHistory — Established a permanent, hash-addressed baseline revision.
12
of 12 claims mapped
5
source dossiers
2
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Claims, one by one

The text below is copied verbatim from the published record. Each claim names the source dossiers that carry it; caveats stay attached to the claim they qualify.

Claim 1 clm-2f4a8b6c6c2ebd04 quantitative
EU Horizon 2020 lighthouse project (2015–2019)
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The EU fact sheet dates the Horizon 2020 project from 1 January 2015 to 31 December 2019, coordinated by the City of Stockholm.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. CORDIS / European Commission (authority)
Claim 2 clm-1266491e015e3f10 quantitative
Stockholm demonstrated 12 smart solutions in the Årsta district
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The EU demo-site page says Stockholm demonstrates 12 smart solutions in Årsta.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. European Commission Smart Cities Marketplace (authority)
Claim 3 clm-96b3fa461cbc36f5 quantitative
from deep energy renovation of 1961 apartment blocks to consolidated deliveries and mobility services
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The concluding report describes the renovation of six 1961 buildings at Valla Torg; the demo-site page lists logistics for construction materials, freight micro-distribution, car sharing and cargo bikes among the solutions.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D2.6: concluding report on low-energy districts (Dec 2019)
  2. European Commission Smart Cities Marketplace (authority)
Claim 4 clm-13daef2e0984eada quantitative
measured cuts of 60% to 76% in the purchased energy of three renovated blocks
Published field
snippet · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The validation report gives total purchased energy changes of -76% (House 6F), -61% (7G) and -60% (8H).
Caveat
Measured by a research partner inside the project consortium.

Sources carrying this claim

  1. GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019)
Claim 5 clm-d0a86531cf044be9 quantitative
Measured against 2017, three of the 1961 blocks at Valla Torg in Årsta cut their total purchased energy by 60%, 61% and 76% over a twelve-month period in 2018–19
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The report's baselines cover 1 January to 31 December 2017; the post-renovation periods run from October 2018 to September 2019 (6F, 7G) and July 2018 to June 2019 (8H).
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019)
Claim 6 clm-93c579b84b63dac7 descriptive
comparing measured consumption before and after with adjustments for weather
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The method section says savings were determined by comparing measured consumption before and after implementation, adjusting for occupancy or weather.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019)
Claim 7 clm-0dfab7955d9bc213 quantitative
Most of the drop came from replacing district heating with heat pumps, so the blocks' purchased electricity rose by 299% to 397%.
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The report shows district heating down 77% to 100% in the three blocks, with geothermal or exhaust-air heat pumps installed, and purchased electricity up 299%, 366% and 397%.
Caveat
'Most of the drop' is our reading of the tables: the report gives the figures, not a decomposition.

Sources carrying this claim

  1. GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019)
Claim 8 clm-0c98d4396fbcdc3e quantitative
A nearby private housing cooperative, Brf Årstakrönet, cut its purchased energy by 14% with smarter controls, solar panels and a battery.
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The report lists PV cells, battery storage, an energy hub and smart ventilation and indoor-climate control at Brf Årstakrönet and a 14% fall in total purchased energy (2015 baseline against 2018).
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019)
Claim 9 clm-2cf9bd863ed07b1e descriptive
The evaluation was carried out by KTH Royal Institute of Technology as the project's own validation partner.
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The report was prepared by KTH researchers and names KTH-EGI as validation partner for the Stockholm measures.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019)
Claim 10 clm-2eb23c0dbc7ad3e3 quantitative
The project's own conclusions call a 60% saving a very ambitious target, because the last 10-15% of savings are very costly
Published field
lesson · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The concluding report says energy savings of 60% are a very ambitious target because the last 10-15% of savings are very costly.
Caveat
The page text breaks the number; the locator reproduces it as printed.

Sources carrying this claim

  1. GrowSmarter D2.6: concluding report on low-energy districts (Dec 2019)
Claim 11 clm-38636cbc7cd44879 descriptive
judge the Valla Torg renovation financially sustainable but slow to pay back and hard to win tenants' approval for
Published field
lesson · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The concluding report calls the project financially sustainable although the energy-saving measures have a long payback time, and says social approval was not easy in this retrofit.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D2.6: concluding report on low-energy districts (Dec 2019)
Claim 12 clm-701a829eaeb2e6f8 descriptive
For the smaller private cooperative, the project's economic analysis found the energy-bill savings too small to cover the costs
Published field
lesson · verbatim
Mapping
mapped · no interpretation or interpolation added by this file
What the mapping says
The economic validation says that for Brf Årstakrönet the building is too small to have enough of a reduction in energy bills to compensate the costs.
Caveat
No claim-specific caveat recorded

Sources carrying this claim

  1. GrowSmarter D6.3: financial and economic validation (15 Mar 2019)

Source dossiers and revision state

This layer records what is known about each source, what is still missing, and the exact snapshot this page is rendering. A missing date, archive or hash stays visible as missing.

unreviewed Revision 2026-10-14-baseline effective 2026-10-14 · created 2026-10-14

Awaiting operator and domain-expert review; publication of this revision implies neither.

sha256:9ded063500c5047aa8e652bbb0d974c7f7d6fe45c9676ec55956a774a1d04512
Revision history → Permanent version link → Machine-readable record → Evidence Constitution →
12
of 12 claims mapped
5
source dossiers
2
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
City of Stockholm (Stockholms stad)
Actor types
city-government
Funding model
grant
Funding description
EU Horizon 2020
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

5 source dossiers

CORDIS / European Commission (authority) cordis.europa.eu · 1 linked claim

Open original source ↗

Stable source ID
src-a870b5b9b27fe07b
Publisher
Name not classified · cordis.europa.eu
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-10-14
Dossier created
2026-10-14
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

EU fact sheet for Horizon 2020 grant 646456: coordinated by the City of Stockholm, 1 January 2015 to 31 December 2019, total cost about €35.8 million with a €24.8 million EU contribution; objectives include lowering energy needs by 60% and demonstrating 12 smart solutions in three lighthouse cities.

Descriptive only — not page/paragraph exact
Claims linked
European Commission Smart Cities Marketplace (authority) smart-cities-marketplace.ec.europa.eu · 2 linked claims

Open original source ↗

Stable source ID
src-0fb4595709f2f9af
Publisher
Name not classified · smart-cities-marketplace.ec.europa.eu
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-10-14
Dossier created
2026-10-14
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

EU demo-site page for Stockholm: 12 smart solutions demonstrated in Årsta, listed by field; under 'Expected impact' it gives three refurbished buildings of 36,307 m² and a final-energy reduction of 3,333 MWh a year, calculated from energy design data.

Descriptive only — not page/paragraph exact
Claims linked
GrowSmarter D5.4: final report on technical and social validation, by KTH (28 Nov 2019) ec.europa.eu · 6 linked claims

Open original source ↗

Stable source ID
src-a586aa2872aef53a
Publisher
Name not classified · ec.europa.eu
Type / language
web-page · language not classified
Published
2019-11-28
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-10-14
Dossier created
2026-10-14
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Final validation report by KTH, the project's validation partner: measured baseline (2017) and post-renovation energy use for Houses 6F, 7G and 8H at Valla Torg — total purchased energy down 76%, 61% and 60%, purchased electricity up 397%, 366% and 299% — and for Brf Årstakrönet, down 14%.

Descriptive only — not page/paragraph exact
Claims linked
GrowSmarter D2.6: concluding report on low-energy districts (Dec 2019) ec.europa.eu · 3 linked claims

Open original source ↗

Stable source ID
src-d00d08df164b6f72
Publisher
Name not classified · ec.europa.eu
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-10-14
Dossier created
2026-10-14
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Work-package conclusions by IREC, the WP2 leader: the Valla Torg renovation of six buildings with 323 rental apartments reached its 60% goal; financially sustainable with a long payback; a 60% saving is a very ambitious target as the last 10-15% are very costly; social approval was not easy where tenants had to be evacuated.

Descriptive only — not page/paragraph exact
Claims linked
GrowSmarter D6.3: financial and economic validation (15 Mar 2019) ec.europa.eu · 1 linked claim

Open original source ↗

Stable source ID
src-5089946cccc0bcf6
Publisher
Name not classified · ec.europa.eu
Type / language
web-page · language not classified
Published
2019-03-15
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-10-14
Dossier created
2026-10-14
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Economic validation by IESE, the WP6 team: for Brf Årstakrönet the building is too small for the energy-bill savings to compensate the costs; the Valla Torg analysis used incomplete, preliminary data.

Descriptive only — not page/paragraph exact
Claims linked
Known limits of this file
  • Publisher names and source languages have not yet been classified; domains are recorded without guessing.
  • Existing source notes are descriptive locators, not page- or paragraph-exact citations.
  • A missing archive, publication date or content hash is shown as null rather than inferred.
  • The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim.