A-B Tech – Birch Building Energy Offset: 50% of electricity is offset by solar Annual Solar Production is equivalent to: 110 Metric Tons 14 Homes Annual Energy Usage System Size 115.2kWdc / 87.1kWac net-metered Annual Production 155,100kWh Client: A-B Tech Services: Design, Technical Consulting Category: Education Date: May 26, 2022 Share: