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One platform reads your solar production, knows when your EV is plugged in, and routes the surplus — automatically, every fifteen minutes.
Connect
Sign in once to your solar account (Enphase, SolarEdge, Sunrun, Generac) and your EV (Tesla today, Rivian and Lucid on deck). One-tap OAuth. No installer.
We optimize
Tesphase runs every 15 minutes, forecasts production, and routes surplus solar to your EV and flexible loads — TOU-aware, battery-health-aware, set and forget.
You save
$100–$300 per month, today. Up to $3,600 annualized as more loads come online. The dashboard shows you exactly how much solar you reclaimed each week.
Your solar system
(Enphase · SolarEdge · Sunrun · Generac)
Tesphase orchestration engine
Your EV + flexible loads
(Tesla · Rivian · Lucid · HVAC · water heaters)
THE DATA FLYWHEEL · WHY IT COMPOUNDS
Stage 0 · Live
Telemetry — every cycle to Postgres. The forever-dataset.
Stage 1 · Live
Rule-based reactive controller.
Stage 2 · Month 2–4
LightGBM forecasting + foundation model layer.
Stage 3 · Month 4–6
Stochastic MPC — 24–48h optimization.
Stage 4 · Month 1–3
LLM surface for explanation and onboarding.
Stage 5 · Month 9–12
Imitation policy — cross-vendor policy at scale.
Single-vendor incumbents only see their own hardware. Tesphase reads across the full residential energy stack through OAuth. Every home we connect widens the lead.
525+
tests passing
automated
99%
coverage
automated
Multi-vendor
integration
Enphase · Tesla live
AES-256
credential encryption
bank-grade
Multi-tenant
isolation
per-home
v0.9 beta
running 24/7
real homes