NHEC Solar Calculator Here's how to calculate your solar savings. Get a copy of your NHEC electric bill and find the section called Meter Information. Match the column named "kWh Used" on your bill with the corresponding rate meter to fill in the form below. This sample bill will help you to find the correct numbers on your own bill. Delivered Electricity Meter (N01A) = kWh Exported Electricity Meter (N02A) = kWh Solar Generation Meter (PVN) = kWh Reset This calculator is based on current NHEC rates and is intended for illustrative purposes only. NHEC’s rates are subject to change.