Network Charges Calculator
Estimate TNUoS, DUoS, BSUoS, and all non-commodity costs · 2026/27 tariffs
⚠ TNUoS Alert: Charges rising 60–64% from 1 April 2026 under RIIO-ET3. Total TNUoS revenue: £4.3bn → £7bn.
Step 1 Site Details
2,500 MWh/yr
TCR Band 3 (501–1,000 kVA)
Step 2 Profile
Step 3 Charging Year
—Total Non-Commodity
—Per MWh
—% of Delivered Costat £65/MWh wholesale
—TNUoS Alone
Cost Breakdown Waterfall2026/27
Detailed Breakdown
5-Year Forecast
Cost Composition