Energy Post Contract Analysis

Reconstructed Monthly Gas Costs
October 2025 – February 2026 · Validated actual readings & billing pattern analysis
October & November 2025
October 2025 (1 Oct – 31 Oct, 31 days)
Opening: 125,219 m³ (1 Oct – validated actual)
Closing: ~127,041 m³ (projected)
Consumption: 1,822 m³ = 20,646 kWh
Energy: 20,646 × £0.0553 = £1,141.72
Standing: 31 × £1.33 = £41.23
CCL: 20,646 × £0.00775 = £160.01
Subtotal: £1,342.96
VAT: £268.59
Total: £1,611.55
November 2025 (1 Nov – 30 Nov, 30 days)
Opening: ~127,041 m³
Closing: ~128,804 m³ (projected)
Consumption: 1,763 m³ = 19,980 kWh
Energy: 19,980 × £0.0553 = £1,105.09
Standing: 30 × £1.33 = £39.90
CCL: 19,980 × £0.00775 = £154.85
Subtotal: £1,299.84
VAT: £259.97
Total: £1,559.81
December 2025 & January 2026
December 2025 (1 Dec – 31 Dec, 31 days)
Opening: ~128,804 m³
Closing: ~130,626 m³ (projected)
Consumption: 1,822 m³ = 20,646 kWh
Energy: 20,646 × £0.0553 = £1,141.72
Standing: 31 × £1.33 = £41.23
CCL: 20,646 × £0.00775 = £160.01
Subtotal: £1,342.96
VAT: £268.59
Total: £1,611.55
January 2026 (1 Jan – 31 Jan, 31 days)
Opening: ~130,626 m³
Closing: 131,685 m³ (validated actual – 20 Jan)
Estimated 31 Jan: ~132,152 m³
Consumption: 1,526 m³ = 17,298 kWh
Energy: 17,298 × £0.0553 = £956.58
Standing: 31 × £1.33 = £41.23
CCL: 17,298 × £0.00775 = £134.06
Subtotal: £1,131.87
VAT: £226.37
Total: £1,358.24
Note: January bill showed estimated end reading of 130,294.2 m³ (31 Jan) which we now know was 1,858 m³ too low. What client was actually billed: Lower (based on underestimated reading).
February 2026
(1 Feb – 20 Feb, 20 days actual)
From Actual Bill
Total consumption billed: 34,607.7 kWh (covers 1 Feb – 28 Feb period)
Actual Costs (from bill)
Energy: £1,913.81
Standing: £37.24 (28 days)
CCL: £268.21
Subtotal: £2,219.26
VAT: £443.85
Total: £2,663.11
Payment Summary
Total: £2,663.11
Less credit brought forward: £1,200.00
Net payment due: £1,463.11
February bill covers extended period with catch-up readings (includes some Jan consumption undercharged previously).
Summary Table: Oct 2025 – Feb 2026
*February bill covers extended period with catch-up readings (includes some Jan consumption undercharged previously).
Five-Month Cost Overview
Total energy consumption and costs across the full period, Oct 2025 – Feb 2026.
£8,804
Total Cost
Oct 2025 – Feb 2026 (inc. VAT)
113,178
Total kWh
Combined consumption over 151 days
£1,467
Total VAT
VAT charged across all five months
749
Avg Daily kWh
Average daily consumption across period