GCIGlobal City Intelligence
Energy

Energy Readiness in Johannesburg

Johannesburg's energy profile reflects an active national transition with rising renewable build-out and ongoing grid-resilience work. Energy in Johannesburg scores 64/100, placing it in the developing group of the indexed set.

Last updated
2026-05-07
Data year
2025
Module score
64/100

Energy score

Clean-energy readiness, grid resilience, and solar or efficiency opportunity signals.

Energy in Johannesburg64/100

Energy readiness

64/100

Mid-tier baseline with active transition direction.

Primary transition lever

Renewables and grid

Renewable build-out and grid resilience are the main levers.

Climate stressor

Heat and storms

Rising heat and intense storms shape adaptation work.

Johannesburg energy data table

This HTML table mirrors the visible score cards so important comparison data is never trapped in a browser-only chart.

Johannesburg Energy data table
MetricValueContext
Energy readiness64/100Solar resource is favorable nationally.
Primary transition leverRenewables and gridDistributed solar continues to expand.
Climate stressorHeat and stormsHailstorms drive some seasonal pressure.

Energy city comparison

A crawlable comparison across every indexed city makes it easy to scan how this module changes between metros.

Energy city comparison table
CityScoreSummary
Johannesburg (this page)64/100Johannesburg's energy profile reflects an active national transition with rising renewable build-out and ongoing grid-resilience work.
Copenhagen94/100Copenhagen has a mature energy-transition profile, with district energy experience and strong climate-adaptation planning.
Zurich92/100Zurich operates with a low-carbon electricity baseline, strong building-efficiency standards, and continuous district-energy investment.
Vancouver90/100Vancouver operates with a low-carbon electricity baseline led by hydropower, with active building and transport electrification work.
Seattle90/100Seattle operates with a low-carbon electricity baseline led by hydropower, with active building and transport electrification work.
Amsterdam89/100Amsterdam has a clear clean-energy direction with district heat, offshore wind context, and active building-efficiency policy.
Berlin88/100Berlin has strong clean-energy direction supported by national renewable-electricity progress and city-level efficiency programs.
Vienna87/100Vienna has strong clean-energy direction supported by national hydropower, mature district-heating, and active building retrofits.
Paris86/100Paris has strong energy-transition direction, with building retrofits and heat adaptation central to its readiness profile.
San Francisco86/100San Francisco operates with active climate policy, a comparatively low-carbon grid, and strong building-efficiency programs.
Auckland86/100Auckland operates with a low-carbon electricity baseline led by hydropower and geothermal generation, with active building-efficiency work.
Singapore85/100Singapore is energy-import dependent but progressing on renewables, regional power imports, and strong building efficiency.
Tokyo84/100Tokyo has strong engineering capacity and resilience discipline, but energy transition is constrained by dense demand and climate stress.
London84/100London has strong clean-energy direction with retrofit-led building strategy, balanced against legacy infrastructure complexity.
Barcelona84/100Barcelona benefits from a strong solar resource, active rooftop programs, and clear urban-energy direction tied to building efficiency.
New York82/100New York has serious clean-energy ambition and infrastructure complexity, with resilience shaped by coastal risk and dense demand.
Toronto82/100Toronto benefits from a low-carbon Ontario grid and ongoing building-efficiency efforts, with winter heat as a major energy lever.
Seoul82/100Seoul has strong engineering capacity and a clear energy-transition direction, with grid modernization and building efficiency as central levers.
Milan82/100Milan benefits from a strong national renewable build-out, district heating capacity, and active building-retrofit work supported by EU funds.
Lisbon82/100Lisbon benefits from strong national renewable build-out led by wind and solar, with active building-efficiency activity.
Abu Dhabi82/100Abu Dhabi benefits from exceptional solar resource and one of the world's largest utility-scale solar build-outs supporting clean-energy progress.
Sydney80/100Sydney is in active energy transition with strong rooftop solar, ongoing grid modernization, and rising heat-driven cooling demand.
Madrid80/100Madrid benefits from strong national renewable build-out and rising solar and efficiency activity in the building sector.
Los Angeles80/100Los Angeles benefits from strong solar resource, ambitious state-level transition policy, and active building and transport electrification.
Hong Kong78/100Hong Kong has solid grid resilience and strong engineering capacity, with transition shaped by import dependence and cooling demand.
Dubai78/100Dubai has very strong solar resource and large-scale renewable projects, balanced by structural cooling demand and resource-import dynamics.
São Paulo78/100São Paulo benefits from a comparatively low-carbon national electricity baseline led by hydropower, with active work on building efficiency and distributed solar.
Santiago78/100Santiago benefits from one of the strongest national solar build-outs globally, with active building and transport electrification work.
Shanghai78/100Shanghai benefits from rapid national renewable build-out, leading EV adoption, and active building-efficiency work.
Taipei78/100Taipei has solid grid reliability with rising renewable build-out and active building and transport electrification work.
Doha78/100Doha benefits from exceptional solar resource and ambitious clean-energy targets supporting renewable build-out and efficiency programs.
Melbourne78/100Melbourne benefits from rapid renewable build-out at the state level, with rising distributed-solar adoption and active building-efficiency work.
Brisbane78/100Brisbane benefits from rapid renewable build-out at the state level and one of the world's highest distributed-solar adoption rates.
Nairobi76/100Nairobi benefits from a renewable-heavy national grid led by geothermal and hydro generation, with growing distributed solar adoption.
Rome76/100Rome's energy profile reflects solid Mediterranean solar resource and ongoing national renewable build-out, with building retrofits a focus.
Chicago76/100Chicago has solid grid reliability with strong wind resource in the region and growing building-efficiency activity.
Prague74/100Prague's energy profile reflects ongoing transition work, with district heating capacity and rising renewable share at the national level.
Bangkok72/100Bangkok has solid grid reliability with growing renewable build-out and active building-efficiency work in the commercial sector.
Bogotá72/100Bogotá benefits from a renewable-heavy national grid led by hydropower, with active EV-bus deployment and building-efficiency work.
Kuala Lumpur72/100Kuala Lumpur has solid grid reliability with growing solar build-out and active building-efficiency work in the commercial sector.
Mexico City70/100Mexico City has solid grid reliability with growing renewable capacity at the national level and active work on building efficiency.
Cape Town70/100Cape Town has solid renewable potential and active local transition work, balanced by national grid-supply variability.
Warsaw70/100Warsaw's energy profile reflects an active transition with district heating decarbonization and rising renewable share.
Buenos Aires70/100Buenos Aires has solid grid reliability with growing renewable build-out at the national level and active building-efficiency activity.
Lima70/100Lima has solid grid reliability with growing renewable build-out and active building-efficiency work.
Kigali70/100Kigali's energy profile reflects an active transition with growing renewable build-out and rising solar adoption supporting national targets.
Jakarta68/100Jakarta's energy profile reflects an active transition with growing renewable build-out at the national level and rising efficiency programs.
Manila66/100Manila's energy profile reflects an active transition with growing renewable build-out and rising distributed-solar adoption.
Mumbai66/100Mumbai's energy profile reflects an active national transition with growing renewable build-out and rising distributed-solar adoption.
Lagos60/100Lagos' energy profile reflects an active transition with rising distributed-solar adoption and ongoing grid-modernization work.

Interpretation

Energy readiness scoring weighs grid context, transition strategy, and adaptation. South Africa's renewable acceleration supports the score. Across the indexed cities the energy average is 78/100, so Johannesburg is 14 points below the median. Data year 2025; last updated 2026-05-07. Drawn from 3 institutional references.

Read this module with the main open the johannesburg city profile and the read the scoring methodology page so single-topic pages do not hide tradeoffs across dimensions.

This page uses a typed sample dataset shaped to demonstrate the indexable content structure. Values are directional and not official measurements.

Sources

3 institutional references inform this view, listed below with reliability notes. Mock values are typed and ready to be replaced by API-backed city datasets without changing route structure.

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Safety in Johannesburg

Personal safety, institutional trust, and resilience signals informed by international safety and crime data.

Overall Intelligence

A balanced ranking of cities across affordability, air quality, clean-energy readiness, and resilience.

Quality of Life

Cities that combine strong services, mobility, safety, clean air, and resilience into a healthy day-to-day profile.