GreenOps (Green Operations) is the discipline of measuring, managing, and reducing the carbon and energy impact of cloud workloads — applying operational rigor to environmental outcomes the same way FinOps applies it to cost. Cloud computing accounts for roughly 1–2% of global electricity consumption today, with data center demand projected to reach 620–1,050 TWh by 2026 driven by AI growth. What makes GreenOps distinctive is that waste and carbon are the same problem: an idle VM drains budget and emits needlessly, so the discipline converges naturally with FinOps. Practitioners who internalize the GHG Protocol's Scope 1/2/3 structure, the SCI formula, and carbon-intensity APIs hold the conceptual toolkit needed to make every architectural decision both cost-efficient and climate-efficient.
What This Cheat Sheet Covers
This topic spans 15 focused tables and 123 indexed concepts, 112 flashcards. Below is a complete table-by-table outline of this topic, spanning foundational concepts through advanced details.
A jump-to index of every table row in this cheat sheet.
An interactive map of every table and concept in this topic.
Table 1: Emissions Scopes and Carbon Accounting Fundamentals
The GHG Protocol's three-scope framework is the universal standard for categorizing cloud emissions, underpinning every sustainability disclosure from CSRD to SBTi target-setting. Understanding which scope covers which source determines where reduction efforts will have the most impact and how to attribute cloud provider emissions to your workloads.
| Concept | Example | Description | |
|---|---|---|---|
carbon_footprint_kgCO2e.scope2.location_based in BigQuery export | • Indirect emissions from purchased electricity — the dominant scope for cloud workloads • calculated as energy consumed × grid carbon intensity | ||
Server GPU manufacturing, data center construction materials | • Value-chain emissions not controlled by your org • for cloud customers these include hardware manufacturing (Scope 3 of the provider), apportioned to usage • Typically represents 80–97% of total organizational emissions. | ||
On-site backup diesel generator at a colocation facility | • Direct emissions from sources your org controls • minimal for pure cloud workloads but relevant for hybrid or on-premises data center components | ||
CO2 = kWh × grid average intensity (e.g. 400 gCO2/kWh for US East) | • Reflects actual CO2 from the physical grid mix at the datacenter location • the primary developer-facing measure in tools like Google Cloud Carbon Footprint | ||
LBM emissions minus renewable energy credits purchased by AWS | • Adjusts location-based figures for market instruments (RECs, PPAs) procured by the cloud provider • shown by default in AWS CCFT | ||
437 gCO2/kWh (Texas peak demand) vs. 5 gCO2/kWh (Québec hydro) | • Grams of CO2-equivalent emitted per kilowatt-hour of grid electricity • varies by region, hour, and season — the key signal for carbon-aware scheduling | ||
WattTime API: real_time_moer updated every 5 minutes in lb CO2/MWh | The emissions rate of the marginal generator responding to load changes on the grid — more decision-relevant than average intensity for demand-shifting. | ||
0.042 MTCO2e shown in AWS Sustainability console | Metric tons of CO2-equivalent — the industry-standard unit aggregating CO2, CH4, N2O and other GHGs using IPCC global warming potential values. | ||
M = TE × (TR/EL) × (RR/ToR) per SCI spec | • Manufacturing and end-of-life emissions from hardware production and disposal, allocated to customers proportionally • captured in Scope 3 of cloud providers | ||
Stockholm (europe-north2): 100% CFE, 3 gCO2eq/kWh grid intensity | • Google Cloud metric: average % of hourly consumption matched with carbon-free generation • "Low CO2" label requires CFE ≥ 75% or grid intensity ≤ 200 gCO2/kWh | ||
Hourly T-EAC matching renewable MWh to consumption every hour in every grid | • Hourly matching of electricity demand with carbon-free supply on the same local grid • Google's 2030 commitment, more rigorous than annual average RECs | ||
1 REC = 1 MWh renewable electricity delivered to US grid | • Market instrument representing renewable energy attributes • US = REC, EU = GO (Guarantee of Origin), international = I-REC • used for Scope 2 market-based accounting |