Cloud Sustainability

Cloud sustainability looks at the environmental side of cloud computing. Every virtual machine, database and storage bucket runs on physical hardware in data centers that consume electricity and water and produce carbon emissions, depending on how the electricity is generated. Organizations increasingly want to understand and reduce the emissions associated with their cloud use, both to meet their own climate commitments and to respond to regulations, investors and customers who ask for emissions reporting.

Sustainability and cost are closely linked. Most actions that reduce cloud waste, such as removing idle resources, rightsizing and scheduling, also reduce energy use and emissions. Sustainability is now a capability in the FinOps Framework, and the sustainability persona is one of its allied personas. For IT financial management, cloud sustainability adds an environmental dimension to cost and value decisions and creates shared goals between FinOps and corporate sustainability teams.

Definition of Cloud Sustainability

Cloud sustainability is the measurement, management and reduction of the environmental impact of cloud services an organization uses, including carbon emissions, energy consumption and, increasingly, water use and hardware lifecycle effects.

It sits within the Optimize Usage and Cost domain of the FinOps Framework, reflecting the overlap between efficient use of resources and lower environmental impact.

Measuring Cloud Emissions

Major cloud providers offer tools that estimate the carbon emissions associated with a customer's usage, broken down by service, region and time. These estimates are based on the energy used by the provider's infrastructure and the carbon intensity of the electricity supplying each region.

Emissions are often reported using the categories of the Greenhouse Gas Protocol. For most customers, cloud emissions count as indirect emissions in their supply chain, while the provider reports them as its own operational emissions.

Methods differ between providers and tools, so organizations comparing providers or combining data should understand the methodology behind each estimate. Estimates may also be published with a delay of weeks or months, which affects how quickly progress can be seen.

Levers for Reducing Impact

Efficiency is the most direct lever. Removing idle resources, rightsizing, scheduling and using efficient storage tiers reduce the energy needed to run workloads. These actions are already part of most FinOps practices, so sustainability can build on existing work.

Placement is another lever. Regions powered by cleaner electricity have lower carbon intensity, so moving flexible workloads, such as batch processing, to those regions can reduce emissions.

Choosing more efficient hardware, such as newer processor generations, and designing applications to use resources efficiently also reduce impact.

Importance of Cloud Sustainability in IT Financial Management

Cloud is a growing share of many organizations' technology footprint, and its emissions are increasingly included in corporate sustainability reporting. Finance and technology leaders are being asked to account for them.

Sustainability also aligns closely with cost management. In most cases, the cleanest resource is the one that is not running, and the cheapest one is too.

Because waste reduction lowers both cost and emissions, FinOps and sustainability teams can pursue many of the same actions and share data and tools.

Reporting and Regulation

Organizations with climate commitments need to report emissions from their operations and supply chains, including cloud services. Regulations in some regions require more detailed disclosures.

Cloud provider emissions data, combined with cost and usage data, allows organizations to include cloud in these reports and to track progress over time.

Allocating emissions to products and teams, in the same way as costs through cloud cost allocation, makes teams aware of the environmental impact of their systems.

Shared Goals With FinOps

Most FinOps optimization actions, such as eliminating cloud waste, also reduce emissions. Reporting both savings and emissions reductions strengthens the case for optimization work.

Some decisions involve trade-offs, such as moving workloads to a lower-carbon region that is slightly more expensive or has higher latency. Clear priorities help teams make these choices.

Combining cost and carbon in decision making supports a broader view of value, consistent with the FinOps principle that business value drives technology decisions.