TrueSouth v1 — perpetual license

• One-time payment: use it for as long as you like
• All 1.x updates included
• Use on one computer at a time, and move it to a new computer whenever you need
• License key by email within a minute, plus GST invoice
• SketchUp 2019 or newer on Windows
• Internet needed for weather data and a periodic license check

Feasibility-grade estimates for projects up to about 500 kW. Not a substitute for a bankable energy yield assessment. See a sample report before you buy.