HelioPeak — Solar Tracker

HelioPeak gives you a clean, modern way to monitor your solar panel production and consumption using your PVOutput.org data — now with a dedicated iPad layout, year-over-year comparisons, annotations, and exportable annual reports.

iPAD & MAC
Native iPad layout with sidebar navigation, Inspector panel, year heatmap, and full keyboard shortcut support
Also runs on Apple Silicon Macs (Designed for iPad)
iPhone landscape chart-priority mode — rotate to give the chart full breathing room

DASHBOARD & CHARTS
Dashboard with live power readings and daily production overview
Production, Consumption, and Combined views — see what you generate, what you use, and how they balance out
Self-use percentage and net export/import stats
Interactive charts for Day, Week, Month, Year, and All Time periods
Drill down from Total to Year to Month to Day with a single tap
Calendar and Rolling chart modes — see fixed periods or sliding windows
Tap and drag on any chart to explore individual data points
Pull-to-refresh to reload the latest data
Detailed data table below each chart with sortable columns
Sparklines on stat cards for quick trend visualization

INSIGHTS & REPORTING
Year-over-Year Comparison with side-by-side charts, percentage deltas, and a shareable 1-page PDF summary
Annual Report PDF — polished multi-page A4 report with production totals, monthly breakdowns, peak days, and yield (in all six app languages)
System Health Indicators — at-a-glance signals if your system is reporting normally, has gaps, or hasn't reported recently
Year-over-year deltas on the Dashboard for today, this month, and year-to-date
Peak power tracking with exact timestamps
Estimated revenue based on your electricity price
CO₂ savings and tree equivalent display
Specific Yield (kWh/kWp/year) and Yearly Average — solar industry benchmarks

NOTES & TIMELINE
Annotate any day with notes — cleaning, weather events, panel issues
Browse your full history in the Timeline view
Notes sync across your Apple devices via iCloud Key-Value Store, scoped to your Apple ID

WIDGETS & EXPORT
Home screen widget in three sizes (Small, Medium, Large) — see today's production at a glance, with an intraday chart on the Large widget. Place multiple widgets, each bound to a different system
CSV and JSON export of your daily production and consumption data

UNDER THE HOOD
System details with panels, inverter, orientation, and lifetime statistics
Smart caching — works offline with up to 80% fewer API calls
Clear Cache — reload data freshly from PVOutput for any system
Built-in demo system — try before connecting your own
Available in English, Dutch, French, German, Italian, and Spanish
Dark mode support with System, Dark, and Light options

PRIVACY FIRST
HelioPeak connects directly to the PVOutput API using your own read-only API key. Your credentials are stored locally on your device — never on external servers. No account sharing, no tracking, no ads.

HOW IT WORKS
Create a read-only API key on pvoutput.org (Settings → API Access)
Enter your System ID and API key in HelioPeak
Start exploring your solar production and consumption data

One key works across all your devices. HelioPeak never sees your PVOutput password.

MULTIPLE SYSTEMS
The free version supports one PVOutput system. Unlock unlimited systems with a single in-app purchase — perfect for households with multiple inverters or monitoring multiple locations.

HelioPeak is not affiliated with PVOutput.org.
Revenue estimates are for informational purposes only.