[ { "category": "AI tasks", "deviceMode": "not-modeled", "deviceNote": "The live calculator does not add a separate end-user device term for everyday text prompts.", "directWaterMlPerUnit": 0.26, "id": "text-prompts", "label": "AI text prompts", "lastReviewed": "2026-03-09", "note": "Uses an everyday text-prompt estimate of about 0.3 Wh while keeping a separate prompt-specific water estimate of 0.26 mL direct and 1.3 mL total.", "order": 1, "serverWhPerUnit": 0.3, "sourceIds": [ "epoch-chatgpt-energy", "jegham-how-hungry-is-ai" ], "status": "estimated", "step": 1, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 1.3, "totalWhPerUnit": 0.3, "unitHint": "Basic text questions", "unitLabel": "prompts" }, { "category": "AI tasks", "deviceMode": "not-modeled", "deviceNote": "The live calculator keeps the reasoning row equal to cloud-side energy until a separate prompt-device model is justified.", "directWaterMlPerUnit": 33.8, "id": "reasoning-prompts", "label": "High-reasoning prompts", "lastReviewed": "2026-03-09", "note": "Uses the long high-reasoning 33.8 Wh benchmark rather than the much smaller medium-query comparison value, so this row stays an intentional outlier.", "order": 2, "serverWhPerUnit": 33.8, "sourceIds": [ "jegham-how-hungry-is-ai", "scenario-methods" ], "status": "inferred", "step": 1, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 202.8, "totalWhPerUnit": 33.8, "unitHint": "Long, high-reasoning queries", "unitLabel": "prompts" }, { "category": "AI tasks", "deviceMode": "not-modeled", "deviceNote": "No device, network, or facility-overhead add-on is available. The GPU-only benchmark is carried through both energy totals as a conservative floor, not as a measured full-system value.", "directWaterMlPerUnit": 1.7, "id": "image-generation", "label": "AI image generation", "lastReviewed": "2026-07-14", "note": "Uses the IEA's 1.7 Wh SD-XL 1.0-base benchmark from controlled H100 testing. Jon Ippolito's What Uses More? comparison prompted the review; the adopted value comes from the underlying IEA report. The benchmark covers GPU electricity only and is carried through both energy columns as a conservative floor. Water remains an internal conversion rather than an image-specific measurement.", "order": 3, "serverEnergyBoundary": "GPU electricity only; excludes network energy, facility overhead, and the end-user device.", "serverWhPerUnit": 1.7, "sourceIds": [ "iea-energy-and-ai", "ippolito-what-uses-more", "scenario-methods" ], "status": "inferred", "step": 1, "systemBoundary": "legacy-row-specific", "totalEnergyBoundary": "Carries the 1.7 Wh GPU-only benchmark through as a conservative floor; this is not a measured total-system value.", "totalWaterMlPerUnit": 10.2, "totalWhPerUnit": 1.7, "unitHint": "One SD-XL 1.0-base image under controlled H100 test conditions", "unitLabel": "images" }, { "category": "AI tasks", "defaultDeviceId": "laptop", "deviceMode": "fixed", "deviceNote": "Keep this fixed to a laptop-style coding session unless stronger desktop or thin-client evidence appears.", "deviceSelectableIds": [ "laptop" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "laptop": 355 }, "directWaterMlPerUnit": 325, "id": "vibe-coding", "label": "Coding-agent use", "lastReviewed": "2026-03-09", "note": "Uses the current one-hour coding-agent benchmark and adds a 30 Wh device allowance in the total-system column.", "order": 4, "serverWhPerUnit": 325, "sourceIds": [ "simon-couch-coding-agent", "scenario-methods" ], "status": "estimated", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 1950, "totalWhPerUnit": 355, "unitHint": "Hours of sustained agent use, not prompts", "unitLabel": "hours" }, { "category": "Media and search", "defaultDeviceId": "phone", "deviceMode": "fixed", "deviceNote": "This row already behaves like a mobile-default social-feed estimate and should stay fixed in the first device pass.", "deviceSelectableIds": [ "phone" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "phone": 36 }, "directWaterMlPerUnit": 7.5, "id": "tiktok", "label": "TikTok or short-video scrolling", "lastReviewed": "2026-03-09", "note": "Built from device-side social-video measurement plus streaming-style infrastructure assumptions; keep this row estimated until a platform-specific cloud-side benchmark exists.", "order": 5, "serverWhPerUnit": 7.5, "sourceIds": [ "greenspector-social-media-2021", "adam-holter-tiktok", "kamiya-streaming-video", "scenario-methods" ], "status": "estimated", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 45, "totalWhPerUnit": 36, "unitHint": "Video-heavy social feed", "unitLabel": "hours" }, { "category": "Media and search", "defaultDeviceId": "phone", "deviceMode": "fixed", "deviceNote": "Keep Instagram locked to a phone-style total unless the row is split into cleaner photo versus video cases.", "deviceSelectableIds": [ "phone" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "phone": 25 }, "directWaterMlPerUnit": 5, "id": "instagram", "label": "Instagram scrolling", "lastReviewed": "2026-03-09", "note": "This remains an analogy-based estimate built from social-media measurement plus streaming comparisons, useful for relative scale rather than platform accounting.", "order": 6, "serverWhPerUnit": 5, "sourceIds": [ "greenspector-social-media-2021", "kamiya-streaming-video", "scenario-methods" ], "status": "estimated", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 30, "totalWhPerUnit": 25, "unitHint": "Mixed image and short-video feed", "unitLabel": "hours" }, { "category": "Media and search", "defaultDeviceId": "phone", "deviceMode": "fixed", "deviceNote": "Treat Snapchat as a phone-default row in the initial device model.", "deviceSelectableIds": [ "phone" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "phone": 20 }, "directWaterMlPerUnit": 4, "id": "snapchat", "label": "Snapchat", "lastReviewed": "2026-03-09", "note": "Another low-confidence social-media estimate built from broader comparison logic rather than a platform disclosure.", "order": 7, "serverWhPerUnit": 4, "sourceIds": [ "greenspector-social-media-2021", "scenario-methods" ], "status": "estimated", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 24, "totalWhPerUnit": 20, "unitHint": "Short-form messaging and video", "unitLabel": "hours" }, { "category": "Media and search", "defaultDeviceId": "phone", "deviceMode": "selectable", "deviceNote": "The default total assumes phone viewing, while the stored laptop and TV options let the row reflect the much larger device spread behind video streaming.", "deviceSelectableIds": [ "phone", "laptop", "tv" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "laptop": 37, "phone": 26, "tv": 77 }, "directWaterMlPerUnit": 22, "id": "youtube", "label": "YouTube watching", "lastReviewed": "2026-03-09", "note": "Uses the same CDN-style video benchmark as Netflix so the calculator keeps an apples-to-apples streaming anchor for the cloud-side and total-system columns.", "order": 8, "serverWhPerUnit": 22, "sourceIds": [ "kamiya-streaming-video", "scenario-methods" ], "status": "inferred", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 132, "totalWhPerUnit": 26, "unitHint": "Streaming video hour", "unitLabel": "hours" }, { "category": "Media and search", "defaultDeviceId": "laptop", "deviceMode": "selectable", "deviceNote": "The default total assumes laptop viewing, while phone and TV options preserve the lower and higher ends already used in the scenario work.", "deviceSelectableIds": [ "phone", "laptop", "tv" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "laptop": 37, "phone": 26, "tv": 77 }, "directWaterMlPerUnit": 22, "id": "netflix", "label": "Netflix streaming", "lastReviewed": "2026-03-09", "note": "Uses the IEA/Kamiya 22 Wh cloud-side and 77 Wh total benchmark used throughout the site's streaming comparisons.", "order": 9, "serverWhPerUnit": 22, "sourceIds": [ "kamiya-streaming-video", "scenario-methods" ], "status": "inferred", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 132, "totalWhPerUnit": 37, "unitHint": "One hour streamed", "unitLabel": "hours" }, { "category": "Media and search", "defaultDeviceId": "laptop", "deviceMode": "fixed", "deviceNote": "Keep this mixed-work row fixed to a laptop-style bundle until it is split into narrower activity rows.", "deviceSelectableIds": [ "laptop" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "laptop": 30 }, "directWaterMlPerUnit": 4, "id": "cloud-docs-browsing", "label": "Email, cloud docs, and browsing", "lastReviewed": "2026-03-09", "note": "This is a teaching bundle for light browsing, email, and cloud documents rather than a per-click benchmark.", "order": 10, "serverWhPerUnit": 4, "sourceIds": [ "scenario-methods" ], "status": "estimated", "step": 1, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 24, "totalWhPerUnit": 30, "unitHint": "A light mixed-work block", "unitLabel": "daily blocks" }, { "category": "Meetings", "defaultDeviceId": "laptop", "deviceMode": "fixed", "deviceNote": "The current participant row assumes a laptop-style class session; add a phone option only when a clearer participant-device bridge is chosen.", "deviceSelectableIds": [ "laptop" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "laptop": 74 }, "directWaterMlPerUnit": 54, "id": "zoom-participant", "label": "Zoom as participant", "lastReviewed": "2026-03-09", "note": "Uses a one-hour participant meeting estimate in which network plus platform routing form the cloud-side figure and participant device energy is added back for the total-system column.", "order": 11, "serverWhPerUnit": 54, "sourceIds": [ "mytton-zoom", "verdecchia-video-call-energy", "scenario-methods" ], "status": "estimated", "step": 0.25, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 324, "totalWhPerUnit": 74, "unitHint": "Joining a class or meeting", "unitLabel": "hours" }, { "category": "Meetings", "defaultDeviceId": "meeting-bundle", "deviceMode": "fixed", "deviceNote": "This row is a shared meeting bundle, not a single host-device toggle, so keep it fixed.", "deviceSelectableIds": [ "meeting-bundle" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "meeting-bundle": 358 }, "directWaterMlPerUnit": 192, "id": "zoom-host", "label": "Zoom as host", "lastReviewed": "2026-03-09", "note": "Uses a hosted Zoom estimate that counts all participant devices in the total-system column.", "order": 12, "serverWhPerUnit": 192, "sourceIds": [ "mytton-zoom", "verdecchia-video-call-energy", "scenario-methods" ], "status": "estimated", "step": 1, "systemBoundary": "legacy-row-specific", "totalWaterMlPerUnit": 1152, "totalWhPerUnit": 358, "unitHint": "One 50-minute, 10-person hosted session", "unitLabel": "meetings" }, { "category": "Gaming", "defaultDeviceId": "xbox-series-x-reference", "deviceMode": "fixed", "deviceNote": "Fixed to an Xbox Series X plus one reference 54.7-inch ENERGY STAR-certified television. Series S and alternate display choices are not yet modeled.", "deviceSelectableIds": [ "xbox-series-x-reference" ], "deviceSelectionAffects": [ "totalWhPerUnit" ], "deviceTotalWhOverrides": { "xbox-series-x-reference": 220 }, "directWaterBoundary": "Modeled direct cooling and humidification water for the game-server data center only; telecom-facility water is unquantified.", "directWaterMlPerUnit": 0.32, "id": "gaming-console-xbox-series-x", "label": "Gaming Console (Xbox Series X + TV)", "lastReviewed": "2026-07-14", "note": "Locally rendered online multiplayer, not cloud gaming. The central estimate includes the console, reference TV, allocated home networking, fixed access and core transport, modeled game-server IT, and data-center overhead. Downloads, patches, manufacturing, standby, and optional texture streaming are excluded.", "order": 13, "serverEnergyBoundary": "Off-prem fixed access and core transport plus modeled game-server facility electricity; excludes the allocated home gateway.", "serverWhPerUnit": 7.7, "sourceIds": [ "xbox-global-platform-baselines", "xbox-lab-platform-baselines", "activision-call-of-duty-matchmaking-ping", "mytton-network-power-model", "energy-star-certified-televisions", "lyu-cloud-gaming-network-anatomy", "playfab-multiplayer-servers", "lbnl-data-center-report", "scenario-methods" ], "status": "estimated", "step": 0.25, "systemBoundary": "operational-player-hour", "totalEnergyBoundary": "Console, reference TV, allocated home gateway, fixed access and core transport, modeled game-server IT, and PUE overhead for one player-hour.", "totalWaterBoundary": "U.S.-average operational water consumption: electricity-generation water for quantified components plus modeled direct game-server data-center water.", "totalWaterMlPerUnit": 960, "totalWhPerUnit": 220, "unitHint": "One active player-hour; local rendering over fixed broadband", "unitLabel": "hours" } ]