Net metering: 1:1, NBT & NEM 3.0
Net metering decides what your exported solar is worth — and it changes the optimal strategy completely. SolDial models all the major schemes.
1:1 net metering
Exports are credited at your import rate — the grid acts like a perfect battery. The best move is usually to keep your Powerwall full and export your solar, rather than cycle the battery and eat round-trip losses.
Net Billing Tariff (NBT)
Exports are credited at a lower rate than imports, so self-consumption and battery time-shifting become more valuable than exporting.
UK export tariffs (SEG, Outgoing Fixed, Outgoing Agile)
In the UK your export tariff is separate from your import tariff and often from a different product, so SolDial asks for it on its own line: under Settings → Utility Rates → Net Metering, pick A separate export tariff (SEG / Outgoing). If you're with Octopus, an Export tariff choice appears: Fixed rate (Outgoing Fixed, SEG, or any single price per kWh) or Octopus Outgoing Agile (half-hourly). On Outgoing Agile, SolDial fetches the day-ahead export prices for your grid region and values every exported unit at the price in effect that hour — in your savings, briefings, the assistant and the Tesla price sync alike. The live price and the last-30-day average are shown right beside the choice so you can see it working. This is independent of your import plan: Intelligent Octopus Go import with Outgoing Agile export is a common pairing and is fully supported.
California NEM 3.0
Under NEM 3.0, export value follows California's avoided-cost (ACC) schedule — near-zero midday and spiking in the evening peak, highest in summer. SolDial ingests these schedules for all three major IOUs (PG&E, SCE, SDG&E). It's vintage-aware: your export values are fixed for roughly nine years from your interconnection, so SolDial locks to your PTO year (Net Billing took effect in 2023). With a battery, the winning play is to charge from cheap midday solar and discharge or export into the evening peak — never export midday.