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Arnold Leitner Has Been Redesigning Power Since He Was 19
A teenage passive-house project became a 35-year argument with the electric grid. Now the physicist behind SkyFuel and Leitnium is betting that homes should make, store, and command their own power.
Leitnium (Formerly YouSolar)
Leitnium, formerly YouSolar, is a Santa Clara-based clean-energy hardware company building the PowerBloc, a modular solar-plus-battery nanogrid that runs on a constant 400-volt DC architecture. Founded in 2010 by physicist Dr. Arnold Leitner, the company sells a plug-and-play private power plant that integrates solar panels, lithium-ion batteries, and optional grid or generator inputs into one intelligent, scalable system. The pitch is simple: give a home or small business its own always-on grid, so the lights never flicker even when the utility goes dark.