Solar Harvest

Solar Harvest is a pocket sun-path instrument for anyone who needs to know how much usable sunlight truly reaches a proposed panel site — before a single bracket goes on the roof. At the heart of the app is the Horizon Reader: an interactive hemispherical dome that plots the sun's full annual path from winter solstice low to summer solstice high. Drag the horizon mask up to trace your real skyline — ridgelines, tree canopies, neighbouring rooftops, chimneys — and watch the solar access percentage tick live as shaded-hour bands bloom across the arcs. A seasonal breakdown shows exactly where losses fall, so you can spend them where the sun was already worthless and protect every high-value summer hour. Save any read to the Sites vault, attach a reference photo of the actual horizon, and export a branded solar-access card to share with a homeowner or client. The Site Register catalogues 44 obstruction types — terrain horizons, vegetation, built structures, and sun-path geometry — each with rise-angle data, difficulty ratings, and mitigation notes, so nothing on a real skyline catches you off guard. Five domain-correct calculators on the Solar Desk cover sun position, optimal fixed tilt, shading-loss estimation, day length and solar noon, and array yield. And if you are learning the craft, the Reading School walks you through 15 gated lessons — from why the sky is a dome to arguing the right tree on a client site — with live interactive practice built in. Solar Harvest does the geometry so you can do the assessment. Stand at the spot, trace the skyline, read the number.