Halton
Halton includes the City of Burlington and the towns of Oakville, Milton, and Halton Hills.
Total 2024 carbon emissions: 5.0 MtCO2eq
% of GTHA carbon emissions: 9%
Population (2024): 635,589
% of GTHA population: 8%
Land Area: 966 km2

2024 Regional Insights

Halton Region Total Emissions, 2018-2024

Total emissions increased by 4.7% and reached the highest level since TAF began quantifying emissions in 2015. The building sector (up 8.4%) was the biggest driver of this increase.

Halton Region Per Capita Emissions, 2018-2024

Per capita emissions increased by 2.4% reaching 7.8 tonnes of carbon per person.

Halton Region 2024 Emissions by Sector
  • Building emissions from natural gas (up 6.2%) and electricity (up 28.5%), account for 58% of Halton’s total emissions.
  • Natural gas consumption in Halton’s buildings decreased by 5% in the residential sector and 2% in the commercial sector, whereas the industrial sector saw a 16% increase. 
  • Halton has the second highest per capita weather-normalized natural gas emissions across the GTHA after Hamilton, at 4.2 tonnes of carbon per person.
  • While electricity consumption increased by 2.7%, electricity emissions increased by nearly 29%, primarily driven by the increasing carbon intensity of the provincial electricity grid.
  • Total electric vehicle registrations in Halton saw a moderate increase of 39% compared to 2023, with 12,900 EVs and 3,977 PHEVs registered. 
  • In 2024, the region experienced a 20% growth in transit ridership based on Burlington, Milton and Oakville Transit data.

2024 Municipal Insights

  • Building emissions are the largest source of emissions in Burlington, Oakville, and especially in Halton Hills, while transportation is the largest source in Milton.
  • In Halton Hills, the high level of natural gas emissions is primarily attributed to the industrial sector.
  • Natural gas emissions decreased in Burlington (down 5%), Milton (down 4%), and Oakville (down 7%). Halton Hills experienced a significant increase of 20% in natural gas emissions, largely due to an increase in industrial building emissions. 
  • Transportation emissions increased in Milton (up 3%), while Oakville saw a reduction (down 3%) and Burlington experienced a more modest decrease of 0.6%. There was virtually no change in Halton Hills.
  • All Halton municipalities saw an increase in EV registrations, with Milton leading (up 40%), followed closely by Oakville and Burlington (up 39%). PHEV registrations also increased 32 - 40% across the region.
  • In 2024, Milton Transit recorded the highest ridership growth, up 73% compared to 2023. Ridership is now 78% higher than 2019 levels. Other Halton transit agencies also reported gains, with Oakville Transit up 15% and Burlington Transit up 10%.
Halton Municipalities 2024 Emissions by Sector (tCO2eq)
Pop. Electricity Natural Gas Transportation Industry Waste Agriculture Total
Burlington199,153464,692111,585554,79918,58046,7644,0091,200,430
Halton Hills67,0611,317,31737,732224,724015,74718,4731,613,993
Milton141,661257,36272,002462,85674,60533,26413,214913,303
Oakville227,715510,641125,142493,20861,00553,4702,2221,245,688

Spotlight in Halton

Policy Tracker
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Green Development StandardsBuilding Performance StandardsClean Transportation InitiativesHome Retrofit ProgramsClean Grid
Halton
Halton Hills
Burlington
Milton
Oakville