Energy Calculators
Estimate energy costs, compare tariff components, and understand how consumption and market prices affect household bills.
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Related Calculator Hubs
Energy Calculators
- Wholesale Electricity Cost CalculatorEstimate how much of a Great Britain household electricity bill comes from wholesale energy costs.
- Solar Panel Tilt Angle CalculatorCalculate annual, summer and winter solar panel tilt suggestions from latitude using transparent adjustable offsets.
- Solar Panel Angle CalculatorEstimate a practical solar panel tilt angle from latitude and an optional seasonal adjustment for planning purposes.
Related Guides
- Solar Panel Angle Explained: Tilt, Azimuth & Seasonal Optimization
Learn how solar panel angle and direction work together to maximize energy production. Covers tilt calculation, azimuth, seasonal adjustments, and real-world roof constraints.
- Solar Panel Tilt Angle Guide: How to Maximize Annual Energy Output
Calculate the optimal solar panel tilt angle for your location. Understand the latitude rule, seasonal adjustments, and how a wrong angle affects annual yield.
- How to Convert £/MWh to p/kWh
Convert wholesale electricity prices from pounds per megawatt-hour to pence per kilowatt-hour.
- UK Electricity Bill Components Explained: Standing Charge, Unit Rate, and VAT
Understand every component of a UK electricity bill — standing charge, unit rate (pence per kWh), VAT, network charges, and how Ofgem's price cap limits what suppliers can charge.
- Ofgem Wholesale Cost Allowance Explained
Understand how Ofgem's wholesale cost allowance is set, how it translates to the unit rate and standing charge in your energy tariff, and why wholesale prices affect what you pay.
- How to Calculate the Wholesale Share of an Electricity Bill
Learn how to identify and calculate the wholesale electricity cost component of your UK energy bill — using Ofgem's published allowances, unit rates, and consumption data.
- How Wholesale Electricity Costs Affect UK Bills: Price Cap Explained
Understand how the wholesale electricity market sets the unit rate on your UK bill — the relationship between gas prices, power station output costs, and what you pay per kWh.