Dusk Energy Journal

Energy systems, explained by the people building them.

Tariff changes, vendor connections and the automations that make them useful.

Without smart charging, an EV plugged in on a cloudy afternoon will empty the home battery before the evening peak.

The 2026–27 Default Market Offer is down across most of the NEM. Feed-in tariffs and supply charges are moving the other way.

Gridkeeper’s FoxESS connection stays inside the vendor rate limits, so wholesale rules fire without a local Modbus box.

Free midday power and five-minute wholesale prices only pay off if the battery, inverter and heavy loads move on their own.