6 posts tagged “methodology”.
A charging site sells the kWh cars receive but buys the kWh the utility meters — and the gap between the two runs through almost every line of the cost model. What the loss factor is, where it shows up, and what a 12% default does to a year of numbers.
Electricity has two prices: one for how much you use, one for your single highest 15-minute spike. For DC fast charging the second one decides the outcome — and it varies 10× by utility.
Washington, Ohio, Utah, New Hampshire, and Kentucky join the covered set — and each forced a cost the model could not express before: sales tax on installation labor, a percent-of-revenue charging tax, and a state income tax on the entity itself.
Wisconsin, Iowa, Indiana, Louisiana, and Nevada join the covered set — and the pre-seed verification pass moved real numbers in three of the five states before they shipped.
The five numbers that answer it — payback, NPV, IRR, cash-on-cash, upfront capital — and the handful of inputs that actually move them.
Every cost line the underwriting engine models for a Supercharger for Business site: hardware, install, utility upgrades, electricity under 85 filed tariffs, rent, taxes, and hidden fees.
