As rooftop solar grows, grid demand sags at midday and climbs steeply after sunset, a shape nicknamed the duck curve. Learn why it forms, what it does to wholesale prices and household tariffs, and how storage and flexible demand help flatten it. Read More →
Peak demand is the highest rate at which a network must deliver power, and it drives the size and cost of poles, wires and substations. Learn why networks and governments pay customers to trim those few critical hours. Read More →
A demand tariff charges for the highest average power you draw in a single half-hour within a set window. Here is how the meter measures it, how residential and business versions differ, and practical ways to keep that one number down. Read More →
A smart meter records usage every 30 minutes or less, building a detailed picture of when and how a property uses electricity. Learn how to read interval data, find baseload and spikes, and use the patterns to size solar and batteries. Read More →
Every kilowatt-hour of solar used at home avoids buying grid power at retail prices, while each one exported earns only a few cents. This explainer shows how self-consumption is measured, what it is worth and the practical ways households raise it. Read More →
Wholesale electricity prices are set every five minutes by matching generator offers to demand, and on sunny, mild days they can fall below zero. Here is how the market works, why negative prices happen and what they mean for homes with solar and batteries. Read More →
The price on an electricity bill bundles several costs: the energy itself, the poles and wires that deliver it, environmental schemes and the retailer's own costs. This explainer unpacks each part, the daily supply charge and why rates differ between homes. Read More →
