City Power Smart Meters: Remote Load Limiting and the Non-Vending Prepaid Problem
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17 sourced claims on this page, none individually verified yet — turn on “Sources in the text” to see each one.
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Johannesburg's smart meters could cap a home at 21 amps by 2015. A decade on, the installed counts never reconciled, and over 10,000 non-vending meters sat in affluent suburbs.
what does this mean?
The strongest source is an independent non-academic evaluation: an audit office, a government or EU review, or an NGO. It grades who did the looking — not how well the project went. All four grades →Part of 1001 Smart Cities — 1,216 documented projects · 🏙️ 11 more in Johannesburg · 🔌 Smart grid & energy guide · ⚡ Energy projects
City Power, the City of Johannesburg's electricity utility, began installing advanced metering infrastructure in 2013 after a trial of 153 household meters and 2,500 at large users. The meters transmit readings automatically, run in prepaid or postpaid mode, and from July 2015 carried 'load limiting': during shortages a household was capped at 21 amps and tripped for 30 seconds at a time until it cut consumption. The installed base has never been stated consistently: over 92,000 in 2015, around 150,000 in 2020, yet 20,000 to 30,000 by the CEO's count in 2023, and 6,515 added in 2025/26. Since 2024 their main use has been revenue protection: prepaid meters that stop vending are switched to postpaid and back-billed.
📊 Impact
No independent evaluation of the metering itself exists; what the sources state cuts against the headline. In Mayibuye, metered from November 2023, the first month brought in over R2 million; the following month the figure dropped, and by March 2024 it sat at about R800,000, an audit found more than 700 households had tampered with the new meters, and 88 were disconnected in March 2024. Citywide, the Auditor-General recorded non-technical electricity losses of R3.96 billion for the year to June 2025, up from R3.45 billion, attributed primarily to theft and bypassing of meters; the City's annual report puts them at 21% in both years. No source states a megawatt figure actually delivered by load limiting; the 70 MW and 775 MW figures are City Power's estimates of what the meters could yield.
🎓 Lesson
A meter that can read, cap and disconnect a household remotely is only as good as the utility's register of which meters exist and who is behind them. Johannesburg bought the demand-side function first: load limiting was running by mid-2015, two years after the first installations. It then spent a decade publishing installed-meter counts that never reconciled, finding that more than 10,000 of its non-vending prepaid meters sat in affluent suburbs, and admitting that staff were allegedly helping customers convert to prepaid outside approved procedures, which is why conversions have been suspended since 2025 while the customer database is audited. For a prepaid-heavy city the data layer pays off in revenue protection before it pays off in megawatts, and only once the meter register can be trusted.
Sources
Show 5 more sourcesShow fewer
📅 How old is the evidence?
Two clocks, kept apart: when this entry’s sources were published, and what has happened to its record in the atlas. Documented span: since 2013. 10 of 10 sources carry a publication date, from 11 November 2013 to 10 July 2026.
When the sources were published
- Engineering News · pressEngineering News — City Power to start installing smart meters (11 Nov 2013)
- Engineering News · pressEngineering News — City Power pleads with residents not to panic (20 Jul 2015)
- BusinessTech · pressBusinessTech — City Power is switching off heavy power users (5 Feb 2020)
- TimesLIVE · pressTimesLIVE — Plans to minimise load-shedding in Joburg will only be operational by December: City Power CEO (25 May 2023)
- City Power Johannesburg · operatorCity Power Johannesburg — City Power clamps down on smart meter tampering (28 Mar 2024)
- City Power Johannesburg · operatorCity Power Johannesburg — City Power converts non-vending smart prepaid meters to postpaid mode (28 May 2024)
- City Power Johannesburg · operatorCity Power Johannesburg — City Power to convert non-vending prepaid customers to postpaid billing system (11 Nov 2025)
- City of Johannesburg · city governmentCity of Johannesburg — Integrated Annual Report 2024/25, including the Auditor-General's report (2026)
Show 2 more dated sourcesShow fewer
- City of Johannesburg · city governmentCity of Johannesburg — Final 2026/27 Integrated Development Plan, The People's Plan (2026)
- ITWeb · pressITWeb — City Power halts meter rollout over free electricity loophole (10 Jul 2026)
Show your work What this page rests on and what it can’t tell you · all 17 claims with their sources · the forensic record
Evidence file · public beta 17 addressable claims, 10 source dossiers, one permanent baseline. The file is unreviewed — an AI-assisted structural migration, not a human or expert endorsement. Every revision keeps a permanent copy under revision history.
Inspect the claims, one by one — verbatim text, sources and caveats for all 17
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.
clm-83e7dc6eb611709d
quantitative
began installing advanced metering infrastructure in 2013 after a trial of 153 household meters and 2,500 at large users
Sources carrying this claim
clm-8dc1df3112b91f80
descriptive
transmit readings automatically, run in prepaid or postpaid mode
Sources carrying this claim
clm-fa8dafa600b5a86a
quantitative
from July 2015 carried 'load limiting': during shortages a household was capped at 21 amps and tripped for 30 seconds at a time until it cut consumption
Sources carrying this claim
clm-5901f2f5a7d17b0c
quantitative
over 92,000 in 2015
Sources carrying this claim
clm-944abb369d966e60
quantitative
around 150,000 in 2020
Sources carrying this claim
clm-968e1403dbc7c8b7
quantitative
20,000 to 30,000 by the CEO's count in 2023
Sources carrying this claim
clm-a1fab0ea6eb47bbd
quantitative
6,515 added in 2025/26
Sources carrying this claim
clm-8bf0d3a89ae6e7a5
quantitative
Since 2024 their main use has been revenue protection: prepaid meters that stop vending are switched to postpaid and back-billed
Sources carrying this claim
- City Power Johannesburg — City Power converts non-vending smart prepaid meters to postpaid mode (28 May 2024)
- City Power Johannesburg — City Power to convert non-vending prepaid customers to postpaid billing system (11 Nov 2025)
- ITWeb — City Power halts meter rollout over free electricity loophole (10 Jul 2026)
- City of Johannesburg — Final 2026/27 Integrated Development Plan, The People's Plan (2026)
clm-1c2493c5a45c67cf
quantitative
In Mayibuye, metered from November 2023, the first month brought in over R2 million; the following month the figure dropped, and by March 2024 it sat at about R800,000
Sources carrying this claim
clm-5365d63b64ff91db
quantitative
an audit found more than 700 households had tampered with the new meters, and 88 were disconnected in March 2024
Sources carrying this claim
clm-fed9061379f9113d
quantitative
the Auditor-General recorded non-technical electricity losses of R3.96 billion for the year to June 2025, up from R3.45 billion, attributed primarily to theft and bypassing of meters
Sources carrying this claim
clm-d0d27eee481b92e6
quantitative
the City's annual report puts them at 21% in both years
Sources carrying this claim
clm-80da0a2055144fd6
quantitative
No source states a megawatt figure actually delivered by load limiting; the 70 MW and 775 MW figures are City Power's estimates of what the meters could yield
Sources carrying this claim
clm-c8f7ca9470152def
quantitative
load limiting was running by mid-2015, two years after the first installations
Sources carrying this claim
clm-6d896d9360cdbd1f
descriptive
publishing installed-meter counts that never reconciled
Sources carrying this claim
- Engineering News — City Power pleads with residents not to panic (20 Jul 2015)
- BusinessTech — City Power is switching off heavy power users (5 Feb 2020)
- TimesLIVE — Plans to minimise load-shedding in Joburg will only be operational by December: City Power CEO (25 May 2023)
- City of Johannesburg — Final 2026/27 Integrated Development Plan, The People's Plan (2026)
clm-6be969af70d7f3bf
quantitative
more than 10,000 of its non-vending prepaid meters sat in affluent suburbs
Sources carrying this claim
clm-aeb38b9257d65516
quantitative
staff were allegedly helping customers convert to prepaid outside approved procedures, which is why conversions have been suspended since 2025 while the customer database is audited
Sources carrying this claim
Forensic record — source dossiers, gaps, hashes and the exact revision this page renders
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.
Awaiting operator and domain-expert review; publication of this revision implies neither.
sha256:0dc8ef2869727ba38780c8fa0b16888d7deb02ef0c2c138a0149028c41ad81bb
- 17
- of 17 claims mapped
- 10
- source dossiers
- 8
- publication dates recorded
- 0
- archives linked
- 0
- exact locators
- 0
- content captures hashed
Governance facts carried by the record
- Operator
- City Power Johannesburg (SOC) Ltd, the City of Johannesburg's electricity utility
- Actor types
- city-government, utility
- Funding model
- public
- Funding description
- City of Johannesburg capital budget through City Power; the chief executive put the 2023 smart-meter and communications programme at R400 million, to be funded as council passed each year's budget
- Cost
- R400 million programme (City Power CEO figure, May 2023); no cumulative cost of the metering since 2013 has been published
- Ownership
- Not recorded
- Decision rights
- Not recorded
- Exit conditions
- Not recorded
10 source dossiers
Engineering News — City Power to start installing smart meters (11 Nov 2013)
- Stable source ID
src-1657e809be1122c9- Publisher
- Name not classified · engineeringnews.co.za
- Type / language
- web-page · language not classified
- Published
- 2013-11-11
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Reports City Power's November 2013 statement that, over the previous eight months, it had installed 153 of the new meters in Ferndale and 2,500 at large power users as a business trial; that 50,000 would follow by June as the first phase; and that the meters operate in either postpaid or prepaid mode and allow remote reading of consumption.
Engineering News — City Power pleads with residents not to panic (20 Jul 2015)
- Stable source ID
src-89bf91e8e815be22- Publisher
- Name not classified · engineeringnews.co.za
- Type / language
- web-page · language not classified
- Published
- 2015-07-20
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Reports City Power's July 2015 statement launching load limiting across its areas of supply: households curtailed from an average 42 amps to 21 amps, repeated 30-second disconnections at five-minute intervals until consumption falls, about 30,000 meters to be uploaded with the function within a week, the Aspen Hills pilot of about 9,000 meters, and a total of over 92,000 smart meters installed at the time.
BusinessTech — City Power is switching off heavy power users (5 Feb 2020)
- Stable source ID
src-e9e070e4671edd04- Publisher
- Name not classified · businesstech.co.za
- Type / language
- web-page · language not classified
- Published
- 2020-02-05
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Reports that City Power had around 390,000 customers of which around 150,000 had smart meters in February 2020, that its spokesperson said load limiting could give it up to 70 MW, that it aimed for 330,000 meters yielding 775 MW, and that remote switching of geysers (ripple control) could give up to 100 MW. All figures are City Power's own.
TimesLIVE — Plans to minimise load-shedding in Joburg will only be operational by December: City Power CEO (25 May 2023)
- Stable source ID
src-251429a34b2b6468- Publisher
- Name not classified · timeslive.co.za
- Type / language
- web-page · language not classified
- Published
- 2023-05-25
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Interview with chief executive Tshifularo Mashava: the R400 million project was delayed by financing of the meter rollout and communications equipment; the first phase aimed at about 115,000 smart meters in addition to the 20,000 to 30,000 already installed; ripple relays on geysers were expected to save about 80 MW.
- Claims linked
City Power Johannesburg — City Power clamps down on smart meter tampering (28 Mar 2024)
- Stable source ID
src-7199b64974a79317- Publisher
- Name not classified · joburg.org.za
- Type / language
- pdf · language not classified
- Published
- 2024-03-28
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
City Power media statement on Mayibuye, where smart meters were installed from November 2023: over R2 million collected in the first month, falling to about R800,000; an audit found over 700 households had tampered with the meters; 88 newly metered customers were disconnected on 26 March (the PDF misprints the year as 2027); the CEO describes the rollout as part of a City project to fit every residential household with a smart meter. Operator self-report.
- Claims linked
City Power Johannesburg — City Power converts non-vending smart prepaid meters to postpaid mode (28 May 2024)
- Stable source ID
src-9642c7c05243f843- Publisher
- Name not classified · joburg.org.za
- Type / language
- web-page · language not classified
- Published
- 2024-05-28
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
City Power media statement announcing the conversion of smart prepaid meters that had not vended for three months or more to postpaid mode, with revenue recovery from the date vending stopped; states that over 10,000 such meters are in affluent areas, some belong to businesses, and that the entity carries around R10 billion of debt from non-paying customers. Served as a PDF without extension.
- Claims linked
City Power Johannesburg — City Power to convert non-vending prepaid customers to postpaid billing system (11 Nov 2025)
- Stable source ID
src-57f4d0d52c7936fb- Publisher
- Name not classified · joburg.org.za
- Type / language
- pdf · language not classified
- Published
- 2025-11-11
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
City Power media statement: from 12 November 2025 all non-vending prepaid residential customers are converted to postpaid accounts, more than 2,318 having been identified; charges may be backdated up to 36 months under the by-laws, which prepaid could not do; converted accounts carry a monthly service and network capacity charge of approximately R900; stand-by-stand meter audits continue.
- Claims linked
City of Johannesburg — Integrated Annual Report 2024/25, including the Auditor-General's report (2026)
- Stable source ID
src-ea2dfcf6248a0b0a- Publisher
- Name not classified · joburg.org.za
- Type / language
- pdf · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
The City's Integrated Annual Report for the year to 30 June 2025. Section 5.5 states technical electricity losses of 9% (R1.7 billion) and non-technical losses of R4 billion (21%) against R3.4 billion (21%) the prior year, attributed to theft and bypassing of meters, illegal recalibration, damaged meters, billing errors and unmetered customers, with automated meter management and meter replacement among the responses. The Auditor-General's report reproduced in it records material electricity distribution losses of R5,669,877,000, of which non-technical losses were R3,960,207,000 (2024: R3,446,202,000). The report shows no publication day; the year is the cover year.
- Claims linked
City of Johannesburg — Final 2026/27 Integrated Development Plan, The People's Plan (2026)
- Stable source ID
src-acd72872915c46cd- Publisher
- Name not classified · joburg.org.za
- Type / language
- pdf · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
The City's adopted 2026/27 Integrated Development Plan. Section 21.3.1 describes the City Power Smart Metering Programme as a revenue-recovery and energy-management tool: 6,515 smart meters installed during the 2025/26 financial year, all integrated into the advanced metering infrastructure and capable of real-time monitoring, rolled out in phases by budget with priority to high-consumption areas. The key delivery targets set a reduction in electricity distribution losses from 31.9% to 25.83% through the smart-metering rollout and grid maintenance. The document shows no publication day.
ITWeb — City Power halts meter rollout over free electricity loophole (10 Jul 2026)
- Stable source ID
src-3a387726473e3379- Publisher
- Name not classified · itweb.co.za
- Type / language
- web-page · language not classified
- Published
- 2026-07-10
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-10-11
- Dossier created
- 2026-10-11
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Reports City Power's July 2026 statement extending the suspension of postpaid-to-prepaid meter conversions first imposed in November 2025: customers converting without approved processes, in some cases allegedly with employee assistance; customers claiming conversions not registered on prepaid systems; tampered installations; non-vending accounts; a database audit; and a commitment that bypassed prepaid meters will be converted back to postpaid and rebilled for the full period. Also cites the Auditor-General's R11.82 billion irregular expenditure since 2021/22.
- 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.
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📎 Cite this project
1001 Smart Cities (2026). “City Power Smart Meters: Remote Load Limiting and the Non-Vending Prepaid Problem” — Johannesburg, South Africa. The Smart City Atlas. https://1001smartcities.org/projects/johannesburg-city-power-smart-meters/ (last verified 2026-10-11). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.
