{"uid":"cap_j01-CqvyznaNqBDUFcCG1","slug":"home-energy-calculators-monthly-electricity-bill-estimator-6b1670f9","name":"Home Energy Calculators – Monthly Electricity Bill Estimator","description":"Estimate a monthly electricity bill from kWh with block-tier rates, a fixed monthly charge and a tax or fee percentage.","url":"https://home-energy-calc.x402tookit.com/bill-estimate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["kwh","tiers"],"properties":{"kwh":{"type":"number","description":"Energy used in the month, kWh (0 to 100000)"},"tiers":{"type":"string","description":"Rate blocks kWh@rate separated by semicolons, last block 'rest@rate', for example '500@0.12; 500@0.15; rest@0.20'; a single 'rest@0.14' is a flat rate"},"taxPercent":{"type":"number","description":"Taxes and percentage fees on the total, 0 to 50 (default 0)"},"fixedCharge":{"type":"number","description":"Fixed monthly service charge (default 0)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"kwh":{"type":["null","number"]},"asOf":{"type":["null","string"]},"taxes":{"type":["null","number"]},"total":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"subtotal":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"fixedCharge":{"type":["null","number"]},"unbilledKwh":{"type":["null","number"]},"energyCharge":{"type":["null","number"]},"tierBreakdown":{"type":["array","null"],"items":{"type":"object","properties":{"kwh":{"type":["null","number"]},"cost":{"type":["null","number"]},"rate":{"type":["null","number"]}}}},"averagePricePerKwh":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qI4WI4PTbLeFuzEKC-_kO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates a monthly electricity bill from kWh usage using block-tier rates, a fixed monthly service charge, and an optional tax/fee percentage.","exampleAgentPrompt":"I used 950 kWh this month — my utility charges $0.12 per kWh for the first 500 kWh and $0.18 for anything above that, plus a $12 fixed service charge and 8% in taxes. Can you estimate my total electricity bill with a tier breakdown?","exampleUseCases":[{"title":"Verify a utility bill before paying","prompt":"I just got my electric bill for 1,200 kWh. My plan charges $0.10 for the first 500 kWh, $0.14 for the next 500, and $0.20 for the rest, with a $9.50 monthly fee and 7% tax. Can you calculate what the bill should come out to and break it down by tier so I can check if it looks right?"},{"title":"Compare flat rate vs tiered rate cost","prompt":"I use about 750 kWh per month. Right now I'm on a flat rate of $0.15 per kWh with a $10 service charge and 6% tax. What would my bill be, and can you show me the full breakdown?"},{"title":"Budget for high-usage summer month","prompt":"This summer I expect to use around 1,800 kWh. My utility has three tiers: $0.11 for the first 600, $0.16 for the next 600, and $0.22 for anything above that. There's a $15 fixed charge and 9% taxes. What will my bill be and what's my average cost per kWh?"}],"resultDescription":"Returns a structured bill estimate including: total bill, energy charge subtotal, fixed charge, taxes, average price per kWh, unbilled kWh (if usage doesn't fill all tiers), a per-tier breakdown (kWh consumed, rate, and cost for each block), a human-readable summary, and optional disclaimer or degraded-mode flags.","failureModes":["Missing required 'kwh' or 'tiers' parameters returns an error","Invalid tier string format (e.g., missing 'rest@rate' final block) causes a parse error","kWh value out of range (negative or above 100000) may be rejected","taxPercent outside 0–50 range may be rejected","Malformed rate values (non-numeric) in tier string cause failures"],"whenToPreferThis":"Choose this endpoint when you need a structured, tier-aware electricity bill computation — especially when the user's utility plan uses block/stepped pricing. It handles multi-tier rate schedules, fixed service charges, and percentage taxes in a single call, returning a full breakdown. Prefer it over generic math tools when the output needs to be utility-bill-shaped (tier breakdown, average $/kWh, summary text).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:11:14.052Z","isFirstParty":false,"canonicalSlug":"home-energy-calculators-monthly-electricity-bill-estimator-6b1670f9"}