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Live in California · v0.9 beta
California wasted $1.2 billion in solar last year. Every solar home is leaking $100–300 a month — and post NEM 3.0, it's only getting worse.
Numbers that matter
leaves every solar home, unused
the problem
California solar exported below cost in 2025
the scale
of retail value returned per export post NEM 3.0
the mechanism
live in California · 100+ charging sessions logged
traction
Live product · your home
Solar production vs. routed
14.2 kWh routed today
= routed to EV
Savings · month
$247
↑ 12% vs last month
Routed to EV
8.4 / 14.2 kWh
59% self-consumption
Next decision
2:15pm — charge EV
surplus + cheap TOU window
Traction
v0.9 beta · 4 California homes in production · 100+ charging sessions logged · $100–300/mo saved per home · 525+ tests · 99% coverage
The moat · cross-vendor data flywheel
compounds every month we add homesTelemetry
Live
Rule-based
Live
Forecasting
Mo 2–4
Stochastic MPC
Mo 4–6
LLM surface
Mo 1–3
Imitation policy
Mo 9–12
Founder · CEO
Akshat Sharma
UC Berkeley M.S. · UCSC CS · ex-Microchip · ex-Falkonry ML
“I lived the problem before I built the solution.”
Founding partner · Growth
Brandon Doan
NYU BTM · Founder of Just In · Closed early angel + accelerator commitments
Advisor
Toby Corey
Former CRO, SolarCity (→ Tesla acquisition) · CEO, Tuul
Advisor
Benjamin Legum
Director of New Venture Development, UCSC
Advisor
Doug Erickson
Executive Director, Santa Cruz Works
Questions about Tesphase? Send us a message — we'll get back to you within two business days.