On-Premise vs. Cloud-Based Access Control Systems: ESG, Environmental Impact Comparison
- GK Tieo
- May 4
- 2 min read

As businesses and organizations strive to reduce their carbon footprint, the choice between on-premise and cloud-based access control systems plays a significant role in sustainability efforts. Both solutions have distinct environmental implications, from energy consumption to electronic waste. This article explores their environmental impacts to help organizations make more eco-conscious decisions.
1. Energy Consumption & Carbon Emissions
On-Premise Access Control Systems
Higher energy usage: On-premise systems require local servers, which consume significant electricity for operation and cooling.
24/7 operation: Servers must run continuously, leading to higher carbon emissions, especially in regions reliant on fossil fuels.
Redundancy needs: Many organizations deploy backup servers, further increasing energy demands.
Cloud-Based Access Control Solutions
Energy-efficient data centers: Cloud providers (e.g., AWS, Azure, Google Cloud) use large-scale, optimized data centers with better power usage effectiveness (PUE).
Shared resources: Multi-tenant cloud architecture reduces per-company energy consumption compared to standalone on-premise servers.
Renewable energy commitments: Major cloud providers increasingly power data centers with solar, wind, and hydro energy.
Winner: Cloud-based solutions generally have a lower carbon footprint due to efficient data center operations and renewable energy adoption.
2. Hardware & Electronic Waste
On-Premise Systems
More hardware required: Local servers, networking equipment, and backup systems contribute to higher e-waste.
Shorter upgrade cycles: Organizations must frequently replace aging hardware, leading to more discarded electronics.
Limited scalability: Expanding an on-premise system often means adding new hardware rather than optimizing existing resources.
Cloud-Based Solutions
Minimal on-site hardware: Most processing occurs in the cloud, reducing the need for physical servers at the premises.
Longer-lasting endpoints: Devices like card readers or mobile access systems require fewer upgrades.
Centralized upgrades: Cloud providers handle server maintenance, reducing obsolete hardware waste.
Winner: Cloud-based access control reduces e-waste by minimizing on-site hardware and extending device lifespans.
3. Scalability & Resource Efficiency
On-Premise Systems
Over-provisioning common: Companies often buy excess server capacity to accommodate future growth, leading to wasted resources.
Inefficient utilization: Many on-premise servers run at low capacity, consuming energy unnecessarily.
Cloud-Based Solutions
Elastic scalability: Businesses pay only for the resources they use, avoiding energy waste from idle servers.
Automatic optimization: Cloud providers dynamically allocate resources, improving energy efficiency.
Winner: Cloud-based access control is more resource-efficient, eliminating the waste associated with over-provisioned on-premise systems.
4. Maintenance & Longevity
On-Premise Systems
Frequent maintenance required: Cooling, power backups, and hardware repairs increase energy and material usage.
Higher failure rates: Local hardware is more prone to malfunctions, leading to replacements and e-waste.
Cloud-Based Solutions
Provider-managed maintenance: Cloud vendors handle updates and repairs, reducing the environmental impact of IT staff travel and replacement parts.
Higher uptime reliability: Fewer hardware failures mean less frequent replacements.
Winner: Cloud access control reduces maintenance-related environmental impacts through centralized management.
Conclusion: Which is Greener?
While both systems have pros and cons, cloud-based access control solutions generally offer a lower environmental impact due to:✔ Energy-efficient data centers powered by renewables✔ Reduced e-waste from minimized on-site hardware✔ Better scalability preventing resource overuse✔ Lower maintenance-related emissions
However, organizations should also consider:
Internet dependency: Cloud systems require stable connectivity, which itself has an energy cost.
Data center location: Choosing a cloud provider with renewable energy commitments maximizes sustainability benefits.
For businesses aiming to reduce their carbon footprint, cloud-based access control is the more eco-friendly choice, provided they select a provider with strong sustainability practices.
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