- Managing greenhouse gas (GHG) emissions and stakeholder expectations regarding environmental stewardship.
- Integrating Magellan's operations and programs into ONEOK's existing framework.
- Addressing climate-related risks and opportunities.
ONEOK, Inc.
Greenhouse gas emissions & sustainability report data
In its 2023-2024 reporting, ONEOK, Inc. disclosed greenhouse gas emissions of 7.1 MMT CO2e (2023). By scope: Scope 1: 3.3 MMT CO2e (2023); Scope 2: 3.1 MMT CO2e (2023); Scope 3: 67.1 MMT CO2e (2023). Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
GHG Emissions
7.1 MMT CO2e (2023)
2023-2024
Renewable Energy
Approximately 30% (2023)
of total energy
Water Usage
2.3K million gallons (2023)
2023-2024
Waste
49.6K tons (2023)
2023-2024
Energy Use
5.9 MWh (2023)
2023-2024
📊 Emissions by Scope (2023-2024)
| Scope | What it covers | Reported value |
|---|---|---|
| Scope 1 | Direct emissions from sources the company owns or controls (fuel combustion, company vehicles, process and fugitive emissions). | 3.3 MMT CO2e (2023) |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 3.1 MMT CO2e (2023) |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 67.1 MMT CO2e (2023) |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2023-2024 | 7.1 MMT CO2e (2023) |
| 2017 | 52.5 million metric tons of CO2e |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- Achieved reductions equating to approximately 50% of our 2030 Scope 1 and Scope 2 GHG Emissions Reduction Target.
- Reduced Scope 1 methane emissions by 36% from a 2019 baseline year.
- Avoided approximately 1.2 million metric tons of CO2e emissions through connections with six RNG facilities.
- Restored nearly 400 acres of habitat related to pipeline projects.
🎯 Climate & Sustainability Targets
🔜 Short-term
- Continue working toward our Scope 1 and Scope 2 GHG emissions reduction target of 2.2 MMT CO2e by 2030.
- Increase use of methane detection technology.
- Eliminate methane emissions sources or route back into process.
- Increase use of methane best management practices.
📅 Medium-term
- Achieve 30% reduction in combined operational Scope 1 and location-based Scope 2 GHG emissions by 2030 (from 2019 baseline).
🌱 ESG Focus Areas
Safety and EnvironmentalEthicsDiversity and InclusionExcellenceServiceInnovationClimate ChangeGreenhouse Gas EmissionsMethane EmissionsBiodiversityWater ConservationWaste ReductionCommunity InvestmentWorkforce DiversityCorporate GovernanceSupply Chain ManagementHuman Rights