320 MW AI Data Centre in Oakville? Ask If This Is the Right Place
The Issue
Proposed 320 MW AI data center (on ~25 acres at 3480 Ninth Line) promises jobs and investment, but it raises numerous community concerns. Key issues include its huge energy draw and climate footprint (Ontario demand is already strained by data centers), health and safety impacts from fuel, emissions and chemicals, continuous industrial noise, additional traffic and local infrastructure burden, massive water needs, land‐use conflicts (including a heritage farmhouse on-site), and the need for detailed emergency planning.
A 320 MW AI “Gigafactory” would demand roughly 2.8 TWh of electricity per year (320 MW×8760 h). This is comparable to the annual use of ~~300,000 Ontario households (assuming ~9,000 kWh/yr each) or a small city.
It far exceeds the consumption of Oakville’s ~234,000 residents (~2.2 TWh/yr). By 2035, Ontario expects data centers to represent ~13% of new demand. Even on a clean grid, this concentrated load strains generation and transmission. If conventional cooling were used, the site could withdraw up to ~5.3 billion litres of water per year (WUE≈1.9 L/kWh), roughly the yearly supply for ~22,000 homes.
The facility will occupy 10.1 hectares (25 acres) – about 15 soccer fields – farmland/heritage landscape.
Paved surfaces will increase stormwater runoff (≈2.5 million L per 25 mm rain).
Backup generators (hundreds of MW diesel) would burn ~34,600 L/hour (≈830,000 L/day at 320 MW) with ~2.7 kg CO₂ per L, so a 24-hour outage on diesel would emit ~2,200 tones CO₂ (plus local NOₓ/PM).
=========================
1. Huge Electricity Demand
- A 320 MW AI data center would use a very large amount of electricity — similar to the power needs of a small city.
- Residents are asking: Will this increase pressure on Ontario’s electricity supply and require new power infrastructure?
- Ontario has introduced additional review requirements for very large data centres because of their impact on future electricity demand.
2. Impact on Electricity Bills and the Power Grid
- A major question is who pays for any required grid upgrades, substations, or transmission improvements.
- Residents want transparency on whether costs are carried by the company, electricity users, or taxpayers.
- Large projects normally require grid impact studies and approvals.
3. Noise 24 Hours a Day
- AI data centres operate continuously.
- Cooling equipment, fans, chillers, and backup generators can create a constant industrial humming sound.
- Nearby residents are concerned about possible effects on sleep, quiet enjoyment, and property values.
4. Water Use for Cooling
- Computers generate enormous heat and need cooling systems.
- Depending on the technology used, a large facility may require significant water or special cooling systems.
- Residents want to know: How much water will be used, where will it come from, and will it affect municipal water supplies?
5. Air Pollution and Backup Generators
- Data centres usually require backup generators for emergencies.
- These generators may use diesel or other fuels and can create emissions when tested or operated.
- Residents want details on fuel storage, emissions controls, and monitoring plans.
6. Fire and Safety Risks
A large AI facility may contain:
- High-voltage electrical equipment
- Large battery systems
- Cooling chemicals
- Backup fuel supplies
The community wants assurance that Oakville Fire Services has the equipment, training, and emergency plans needed.
7. Traffic During Construction
Construction could bring:
- Heavy trucks
- Large equipment deliveries
- Hundreds of construction workers
Residents want traffic studies to understand impacts on Ninth Line, William Halton Parkway, and nearby roads.
8. Heritage and Land Use Concerns
The proposed area includes the property at 3480 Ninth Line, which contains a historic 1881 farmhouse recognized by the Town for heritage consideration.
Residents want to know how a large industrial-style facility will fit with surrounding neighborhoods and heritage protection.
9. Transparency and Public Consultation
Many residents learned about the proposal before seeing detailed plans.
The Town has indicated that if a formal application is submitted, it will go through normal planning reviews and public meetings.
Residents are asking for early access to:
- Environmental studies
- Noise reports
- Water studies
- Traffic studies
- Energy plans
10. Balancing Economic Benefits and Community Impact
Supporters point to:
- Technology investment
- Possible jobs
- Economic growth
=========================
Residents' concerns focus on the following:
- Electricity demand
- Noise
- Water use
- Environmental impacts
- Long-term effects on the community
The key question for residents is:
Can Oakville receive the benefits while protecting quality of life?
4
The Issue
Proposed 320 MW AI data center (on ~25 acres at 3480 Ninth Line) promises jobs and investment, but it raises numerous community concerns. Key issues include its huge energy draw and climate footprint (Ontario demand is already strained by data centers), health and safety impacts from fuel, emissions and chemicals, continuous industrial noise, additional traffic and local infrastructure burden, massive water needs, land‐use conflicts (including a heritage farmhouse on-site), and the need for detailed emergency planning.
A 320 MW AI “Gigafactory” would demand roughly 2.8 TWh of electricity per year (320 MW×8760 h). This is comparable to the annual use of ~~300,000 Ontario households (assuming ~9,000 kWh/yr each) or a small city.
It far exceeds the consumption of Oakville’s ~234,000 residents (~2.2 TWh/yr). By 2035, Ontario expects data centers to represent ~13% of new demand. Even on a clean grid, this concentrated load strains generation and transmission. If conventional cooling were used, the site could withdraw up to ~5.3 billion litres of water per year (WUE≈1.9 L/kWh), roughly the yearly supply for ~22,000 homes.
The facility will occupy 10.1 hectares (25 acres) – about 15 soccer fields – farmland/heritage landscape.
Paved surfaces will increase stormwater runoff (≈2.5 million L per 25 mm rain).
Backup generators (hundreds of MW diesel) would burn ~34,600 L/hour (≈830,000 L/day at 320 MW) with ~2.7 kg CO₂ per L, so a 24-hour outage on diesel would emit ~2,200 tones CO₂ (plus local NOₓ/PM).
=========================
1. Huge Electricity Demand
- A 320 MW AI data center would use a very large amount of electricity — similar to the power needs of a small city.
- Residents are asking: Will this increase pressure on Ontario’s electricity supply and require new power infrastructure?
- Ontario has introduced additional review requirements for very large data centres because of their impact on future electricity demand.
2. Impact on Electricity Bills and the Power Grid
- A major question is who pays for any required grid upgrades, substations, or transmission improvements.
- Residents want transparency on whether costs are carried by the company, electricity users, or taxpayers.
- Large projects normally require grid impact studies and approvals.
3. Noise 24 Hours a Day
- AI data centres operate continuously.
- Cooling equipment, fans, chillers, and backup generators can create a constant industrial humming sound.
- Nearby residents are concerned about possible effects on sleep, quiet enjoyment, and property values.
4. Water Use for Cooling
- Computers generate enormous heat and need cooling systems.
- Depending on the technology used, a large facility may require significant water or special cooling systems.
- Residents want to know: How much water will be used, where will it come from, and will it affect municipal water supplies?
5. Air Pollution and Backup Generators
- Data centres usually require backup generators for emergencies.
- These generators may use diesel or other fuels and can create emissions when tested or operated.
- Residents want details on fuel storage, emissions controls, and monitoring plans.
6. Fire and Safety Risks
A large AI facility may contain:
- High-voltage electrical equipment
- Large battery systems
- Cooling chemicals
- Backup fuel supplies
The community wants assurance that Oakville Fire Services has the equipment, training, and emergency plans needed.
7. Traffic During Construction
Construction could bring:
- Heavy trucks
- Large equipment deliveries
- Hundreds of construction workers
Residents want traffic studies to understand impacts on Ninth Line, William Halton Parkway, and nearby roads.
8. Heritage and Land Use Concerns
The proposed area includes the property at 3480 Ninth Line, which contains a historic 1881 farmhouse recognized by the Town for heritage consideration.
Residents want to know how a large industrial-style facility will fit with surrounding neighborhoods and heritage protection.
9. Transparency and Public Consultation
Many residents learned about the proposal before seeing detailed plans.
The Town has indicated that if a formal application is submitted, it will go through normal planning reviews and public meetings.
Residents are asking for early access to:
- Environmental studies
- Noise reports
- Water studies
- Traffic studies
- Energy plans
10. Balancing Economic Benefits and Community Impact
Supporters point to:
- Technology investment
- Possible jobs
- Economic growth
=========================
Residents' concerns focus on the following:
- Electricity demand
- Noise
- Water use
- Environmental impacts
- Long-term effects on the community
The key question for residents is:
Can Oakville receive the benefits while protecting quality of life?
Petition Updates
Share this petition
Petition created on July 22, 2026