Shift EV charging, laundry and dishwasher runs to the cleanest grid hours
Intermediate14h1–2
Electricity Maps APINext.jsCharts
17/20#energy hackathon ideas
12 ideas across 1 category · 3 beginner · 7 intermediate · 2 advanced. Sorted by judging fit (editorial estimate).
Ideas tagged energy
Compare running cost and emissions of your current system with an efficient one
Beginner8h1–2Next.jsCharts17/20Photograph energy labels in a store and compare lifetime running costs
Beginner8h1–2Tesseract.jsNext.jsCharts17/20Climate
Carbon-Aware CI Scheduler
Delay non-urgent CI jobs to cleaner grid hours automatically
Intermediate14h1–2GitHub APIElectricity Maps APINode.js17/20Climate
Electricity Bill Explainer
Photograph your power bill and understand every charge and how to cut it
Beginner8h1–2Vision LLMNext.jsCharts17/20Climate
Home Energy Audit by Photo
Photograph your appliances and get the biggest energy-saving fixes ranked
Intermediate16h1–2Vision LLMNext.jsCharts16/20Forecast each building's energy use and flag waste such as cooling empty halls
Advanced28h2–4PythonForecastingECharts16/20Climate
Home Energy Usage Tracker
Shows which appliances use the most energy
Intermediate12h1–2ReactCharts15/20Climate
Solar Roof Estimator
Estimates yearly solar output and payback for a roof
Intermediate24h1–3PythonpvlibReact15/20Plan a long drive with charging stops based on your car's real range
Intermediate18h1–3Maps APILeafletNext.js15/20Compare real solar output with what the panels should produce and flag faults
Advanced26h1–3pvlibPythonCharts15/20Climate
Empty Room Energy Nudge
Detect rooms with lights or AC on and nobody inside, and nudge someone to switch off
Intermediate16h2–3SensorsNode.jsSlack API14/20