Helio
Know exactly what your rooftop solar made today
Helio launched on October 19, 2026 with 81 votes, #320 of 4,184 launches that month and more than 95% of that year's launches.
What it does
Rooftop solar apps make you dig for the one number you want: units made today. Helio opens straight on it, read from your inverter's own energy counter via ShineMonitor / SmartClient. Also: live power, any past day as a 5-minute curve, 30-day, yearly and lifetime history, and savings in your own currency and tariff. Deploy your own copy to Vercel in 5 minutes. Free, MIT licensed, no database, no tracking. Your login never reaches the browser.
Free, open-source dashboard for rooftop solar on an Eybond WiFi stick: exact daily units, live power, panel health, grid checks and a daily Telegram alert.
Helio Solar is a free, open-source solar monitoring dashboard. It reads your inverter's own counter, so the number you see is the number on the meter. Demo roof, 5.4 kW, at ₹ 7.5 a unit. Your copy shows your own inverter. For inverters with an Eybond WiFi stick on ShineMonitor, the cloud behind the SmartClient app. Helio opens on today's units, read from the inverter's own counter, so it matches your meter. A tap away: the day's curve, thirty days, the year, and what it's worth at your tariff. Every day is compared with your own best days and the weather, so a cloudy day isn't mistaken for a fault, and a dirty panel or a high grid voltage doesn't go unseen. Each day scored against your best…from helio.rishishah.in
Does a similar job
all alternatives →- HWHelios – what plug-in solar could generate for any address in BritainMay 2026 · helios.southlondonscientific.com · ▲126
Plug-in solar panels (no electrician needed) have just become legal in the UK and will go on sale soon. Helios estimates how much electricity a typical installation could generate at a given address and what that's worth against your tariff. It uses UK government LIDAR data to reflect the actual skyline, so it knows whether there's a building or a hill blocking the sun. Caveats: - Outside LIDAR coverage (most of Scotland and Wales) it falls back to a synthetic horizon (less accurate). - Trees and recent developments (post-2022 or so) may not be in the data, and some address placements could…
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