ClaroWatt exists because US residential solar has a specific, stubborn problem — and nobody was solving it correctly. Here's what we fix and how.
Standard grid-tie inverters ship with a single-phase limiter meter. US residential service runs split-phase 120/240V — two legs, 180° out of phase. A single-phase meter sees one leg, so it misreads your actual load and either over-exports or throttles unnecessarily.
ClaroWatt uses dual CT sensors — one on each phase — to measure the true combined load. Both legs, both directions, one accurate number. Your inverter finally sees your house the way it should.
USB-C power. The ClaroWatt Ecosystem Network starts broadcasting immediately. No pairing ritual.
HA sees ClaroWatt on the network and prompts you to add it. One click. No YAML.
Solar generation, grid import, grid export, both phases, net watts, daily yield — all native HA entities ready for dashboards and automations.
Run the EV charger when you're generating excess. Alert when a phase drops. Run the dishwasher at peak solar. The logic is yours.
ClaroWatt is designed from the ground up for Home Assistant. The ClaroWatt Ecosystem Network means it's always on your local network — no cloud dependency, no subscription, no outage risk.
Yes. ClaroWatt Link Pro speaks the same RS-485 limiter protocol your inverter expects — but with accurate split-phase readings instead of the single-phase guess the OEM unit gives you.
For CT clamp installation — no. The current transformers clip around your service conductors without breaking any circuits. If you're comfortable in your panel, you can install this yourself.
Yes. ClaroWatt runs on the local ClaroWatt Ecosystem Network — no internet connection required. Monitoring, Home Assistant integration, and Sunny all operate on your LAN.
A limiter tells your inverter to throttle output so you don't export to the grid. A net meter tracks what you import and export for billing. ClaroWatt can do both simultaneously.
Almost always a single-phase measurement problem. If your OEM meter only sees one leg of your split-phase service, it reads roughly half your actual load. ClaroWatt's dual CT measurement fixes this.
Yes — unplug, move, plug back in. It reconnects to the ClaroWatt Ecosystem Network automatically wherever it lands. The 10.1-inch screen is big enough to make a statement on a wall, light enough to move to a desk or nightstand. No re-pairing, no setup.
That's actually one of the strongest use cases. Link Pro replaces a rats-nest of wiring between your inverter, battery bank, and display with wireless dongles. Mount Touch Pro on your dash or bring it to bed — your whole power system visible on one 10-inch screen, no wiring between devices.
Sunny is ClaroWatt's solar AI assistant. Ask anything about split-phase, inverter compatibility, Home Assistant, or your specific setup — Sunny knows this cold.
Ask Sunny →