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The Smart Export Guarantee was never designed to be the best possible deal. For homes with panels and a battery, the more useful question is whether a fixed, time-of-use or specialist export tariff fits the way the house actually generates and consumes power. This guide sets out the paperwork, the switching traps and the arithmetic that separates a genuine improvement from a marginal tweak.
Smart meter data often shows solar export peaking at midday while household demand climbs after 4pm. This analysis explains how import prices, export rates and battery efficiency determine whether storage saves money or becomes an expensive hobby.
Most UK roofs are not a clean, unshaded plane facing due south, and they do not need to be. This guide compares east-west, flat-roof, split-array and shaded installations, explains what each means for yield and battery sizing, and sets out the questions worth asking before signing a quote.