EXECUTION LAB · DEMO RATES
No live tariff loadedTariff engine lab
Deterministic band calculations, historical versioning, bill explanation and first-bill QA.
Inputs
Illustrative rates only. Production tariffs must be encoded from the applicable approved/gazetted source and versioned by effective date.
CALCULATION
Hash 46c4c391KSh 1,034.8
Actual · 12.4 m³ · DEMO-2026-Q3
0–6 m³6 m³ × KSh 65KSh 390
6–20 m³6.4 m³ × KSh 82KSh 524.8
Meter/service chargeKSh 120
Tariff comparison
CurrentKSh 1,034.8DEMO-2026-Q3
Proposed demoKSh 1,088.4DEMO-2027-Q1
Difference+KSh 53.65.18%
Historical bills retain the original tariff version and source reads. Publishing a new tariff must never rewrite an already issued bill.
Explain this bill
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12.40 m³ measured consumption
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2 tariff band(s) applied
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Tariff DEMO-2026-Q3 effective 2026-07-01 to 2026-12-31
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Calculation hash fnv1a-46c4c391
Golden bill QA128 / 128 demo cases pass