The global field program

Measure one device.Make every estimate smarter.

A real reading from a smart plug, energy meter, EV charger, or utility report becomes one privacy-safe observation in the Energy Cost Graph.

Contribute a reading ↓

01Measure

Use a real energy source, not an estimate.

02Normalize

We standardize time, method, device, and geography.

03Review

Quality rules and human review protect the graph.

04Improve

Trusted cohorts make future estimates more accurate.

Contribute without an account

Your measurement earns a reading passport.

We do not ask for your name, email, or exact address. You receive an immediate quality score and normalized reading. Trust rises only after private evidence review.

01Reported

A plausible reading without privately verified meter evidence.

02Instrumented

Verified evidence from a direct smart plug, circuit meter, or charger.

03Reference

Verified direct evidence covering at least seven days, with model and country context.

What did you measure?Identify the device and its label rating.

Device categoryDevice name

ManufacturerModel number

Rated power (W)Climate context

What did the meter report?Use the energy total, not the device’s rated wattage.

Measured energy (kWh)Measurement daysMeasured hours (optional)

Measurement source

Where and under what conditions?Broad context makes global comparisons honest.

Country or territoryState / province / broad region

Grid conventionTariff currency (ISO code)

Electricity rate / kWh (optional)Operating context (optional)

Private meter evidence · optionalUse a screenshot or photo showing the energy total and measurement period. The browser redraws the image before upload to remove camera metadata. Avoid names, addresses, account numbers, faces, or reflections.

Already contributed? Retrieve your private reading passport →

For labs, utilities, retailers, and communities

Run a measurement drive without building the pipeline.

Add ?campaign=your-code to this page. Every valid observation keeps its privacy protections while the internal console attributes growth to the campaign.