PowerUsageDocs
Guides to help you understand electricity pricing, cut your bill, and get the most out of PowerUsage.
Understanding Time of Use Pricing
What TOU rates are, how they work, and how shifting your usage can cut your electricity bill.
Read →Analyze Your Power Bill
How to read your electricity bill, get your usage data, and find out whether time-of-use pricing would cost you more or less.
Read →Timeshifting Examples
Real examples of delaying appliance cycles to avoid peak electricity rates — dishwasher, clothes washer, EV charging, and more.
Read →API Guide
Access your devices and profile programmatically using API tokens.
Read →Peak Shaving with a Battery
Using a home battery to discharge during peak TOU hours and recharge off-peak — when it pays off, when it doesn't, and how it stacks with backup.
Read →Cost Calculation API
Public, no-auth endpoints to compute electricity costs from a rate, wattage, and usage schedule.
Read →Net Metering Explained
How net metering credits work, billing reconciliation, export vs import rates, and TOU interaction.
Read →EV Charging at Home
Picking a charger level, sizing your circuit, scheduling around TOU rates, and figuring out what a full charge actually costs.
Read →Heat Pump Water Heaters
How HPWHs cut water-heating energy 60–70% vs resistance tanks, where they make sense, and how to schedule them around TOU rates.
Read →Sizing a Home Battery
Picking kWh capacity and kW power output for backup, solar self-consumption, and peak shaving — with the round-trip and depth-of-discharge math.
Read →Building a Home Solar System
Designing a home solar array — grid-tie vs hybrid vs off-grid, sizing panels to your usage, choosing an inverter, and whether to add a battery.
Read →Choosing a Portable Power Station
Picking a portable battery for camping, CPAP, RV, and short outages — capacity, output, ports, recharge speed, and chemistry, without overpaying.
Read →