Solar Credits Expiring? Net Metering Rollover & True-Up

Solar owners often assume that every unit of electricity they send to the grid turns into savings. In reality, what happens to that exported energy depends on three things: how your credits are valued, how long they roll over, and what happens at your annual true-up. This short guide walks through the full cycle. When your panels produce more than your home uses, a bidirectional meter records the surplus and converts it into kilowatt-hour credits. Those credits don't pay out immediately — they sit on your account and offset future consumption. Strong summer production builds a balance that quietly carries you through shorter winter days. Then, once a year, the true-up arrives. Your utility totals everything you imported against everything you exported across the full 12-month cycle. If you consumed more than you generated, you settle the difference. If you generated more, what happens next depends entirely on where you live: some utilities cash out surplus credits at a reduced avoided-cost rate of roughly $0.02 to $0.08 per kWh, others zero the balance with no payment at all, and markets like Brazil allow credits to stay valid for up to 60 months. Compensation models differ just as widely. Retail-rate net metering in select US states can be worth $0.10 to $0.30 per kWh. Australian net billing sits far lower. Germany runs on 20-year fixed feed-in tariffs. India mixes net metering, net billing and gross metering depending on the state and system type. Each structure changes your payback period and changes whether exporting or self-consuming is the smarter move. Watch this before you size a new system or add storage — small adjustments to system size and usage timing compound significantly over the life of your installation.

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