April 25, 2026
Issue No. 1
§ Solar & Batteries
Front Page
§THE PAYBACK QUESTION

A portable battery and backyard solar can pay for itself. What it earns depends on when you plug in.

EcoFlow Delta Pro 3 (left) and Anker SOLIX F2000 (right) portable power stations
EcoFlow Delta Pro 3 · Anker SOLIX F2000

Compare EcoFlow and Anker side by side, then adjust panels, weather, and the small rituals of a kitchen to see annual savings against PG&E's time-of-use clock.

The EcoFlow Delta Pro and Anker SOLIX F2000 are Will Prowse’s picks in the video “2026 Will Prowse Approved Solar Products”. Panel options and pricing here reflect his recommended matches.

§01The Rate Card
PG&E time-of-use
What the grid charges, hour by hour
Peak window · 4p–9p
Location Solar Average
Defaulting to mostly sunny. Enter a city to calibrate.
§02Head to Head
Two systems, side by side
§03The Ledger
Daily reckoning
§04After the Payoff
The long tail of free electrons