{"estimate":{"assumptionVersion":"2026-09-01.1","monthlyUnits":350,"tariffBasis":"telangana-domestic-2026-27","tariffPerUnit":6.4,"tariffDescription":"TGERC LT-I Domestic FY 2026-27","gruhaJyothiApplied":false,"energyMatchedSystemKw":3,"roofCapacityKw":3,"usableRoofAreaSqFt":300,"requiredRoofAreaSqFt":270,"recommendationBasis":"usage-and-roof","roofLimited":false,"roofFit":"fits","recommendedSystemKw":3,"estimatedAnnualGenerationUnits":4350,"estimatedUsableUnits":3915,"monthlyGridUnitsAfterSolar":24,"monthlyEnergyChargeBeforeSolar":2240,"monthlyEnergyChargeAfterSolar":46,"roofAreaSqFt":270,"subsidy":78000,"grossCostLow":195000,"grossCostHigh":234000,"netCostLow":117000,"netCostHigh":156000,"estimatedMonthlySavings":2194,"estimatedAnnualSavings":26324,"simplePaybackLowYears":4.4,"simplePaybackHighYears":5.9},"assumptions":{"version":"2026-09-01.1","annualGenerationPerKw":1450,"usableGenerationFactor":0.9,"roofAreaSqFtPerKw":90,"maximumModelledSystemKw":10,"subsidy":{"firstTwoKwPerKw":30000,"thirdKwPerKw":18000,"maximum":78000}},"sources":[{"title":"TGERC Retail Supply Tariff Order FY 2026-27 — LT-I Domestic","url":"https://www.tgerc.telangana.gov.in/file_upload/uploads/Tariff%20Orders/Current%20Year%20Orders/2026/RST%20Order%20FY%202026-27.pdf"},{"title":"Telangana Government — Gruha Jyothi scheme","url":"https://www.telangana.gov.in/government-initiatives/"},{"title":"PM Surya Ghar residential CFA operational guidelines","url":"https://mnre.gov.in/en/notice/operational-guidelines-for-implementation-of-the-component-central-financial-assistance-to-residential-consumers-of-pm-surya-ghar-muft-bijli-yojana/"},{"title":"TGREDCO subsidy structure and empanelled supplier links","url":"https://tgredco.telangana.gov.in/SolarLinks.aspx"}],"disclaimer":"Indicative planning output only. Telangana savings use published domestic energy charges and exclude fixed/customer charges, duty and fuel adjustments. This is not an installer quote, engineering design, subsidy approval, or generation guarantee."}