About Desi Utility
Empowering 10 million+ Indian households to understand, calculate, and reduce their electricity bills — with pinpoint accuracy.
10M+ Users Served
Across all 28 states
Updated for FY 2026–27
Latest tariff orders
50+ Free Tools
Calculators & guides
Zero Ads on Calculators
Always free, always fast
Who We Are
Desi Utility is India's most comprehensive free utility intelligence platform, built to help every Indian household understand, estimate, and optimise their electricity bills. We are an independently operated resource focused on transparency, accuracy, and simplicity — covering everything from AC electricity cost to state-wise DISCOM tariffs, solar ROI, and net metering.
Our mission is to empower every Indian family with the tools and knowledge needed to make smarter decisions about energy consumption, appliance purchases, and monthly bill management — saving real money on real bills.
India-First
Every tool, tariff, and tip is built for Indian electricity infrastructure, DISCOMs, and usage patterns.
Data Accuracy
We source from official DISCOM tariff orders, BEE publications, and state electricity regulatory commission filings.
Always Free
Every calculator, guide, and tool on Desi Utility is completely free. No paywalls, no subscriptions.
What We Offer
Electricity Bill Calculators
16 state-specific DISCOM calculators covering MSEDCL, BESCOM, TNEB, PSPCL, JVVNL, and more — with real slab-wise breakdowns.
Calculate BillAC Bill & Savings Tools
Calculate exact AC electricity cost by tonnage and star rating, compare inverter vs non-inverter savings, and find the right AC for your room.
Try AC CalculatorSolar Intelligence Suite
PM Surya Ghar subsidy calculator, solar panel ROI, net metering estimator, battery backup planner — complete solar decision toolkit.
Explore Solar ToolsState Tariff Database
FY 2026–27 electricity tariff slabs, helpline numbers, and bill dispute guides for every major Indian state utility.
View TariffsAC Buying Guides & Reviews
50+ expert reviews, brand-vs-brand comparisons, and budget-wise buying guides to help you pick the right AC.
Browse GuidesAC Spares & Maintenance
Best-in-class guides for AC stabilizers, cleaning kits, drain pipes, capacitors and more — with Amazon-linked recommendations.
See SparesWhy We Built Desi Utility
The Problem We Solve
- Electricity bills spiking with no clear explanation
- Confusing slab structures across 50+ Indian DISCOMs
- No India-specific tool for AC running cost vs. star rating
- Solar ROI calculations based on foreign markets
- Zero transparency on what charges appear on your bill
Our Solution
- Precise slab-wise calculators for every Indian DISCOM
- Transparent methodology — every formula is shown
- Real BEE-sourced star rating data, updated annually
- Solar tools calibrated for Indian grid rates and subsidies
- Plain-English explanations of every bill line item
Who Uses Desi Utility
Homeowners
Families planning new AC installations or trying to cut down on monthly electricity bills.
Renters & Tenants
Tenants who want to estimate AC running costs before signing a lease or splitting utility bills.
Solar Adopters
Households evaluating rooftop solar, PM Surya Ghar subsidies, or net metering returns.
Our Commitment
Regular Data Updates
Tariff slabs, BEE star norms, and subsidy amounts are updated every FY as official orders are published.
Privacy Protection
All calculations run entirely in your browser. We do not store personal consumption data or track individual usage.
Editorial Independence
Product recommendations are based purely on energy efficiency and user value — never on paid placements.
Transparent Formulas
Every calculation methodology is clearly explained so you can verify the math yourself.
Important Disclaimer
All calculations are estimates based on publicly available DISCOM tariff data and standard assumptions. Actual bills may vary due to local surcharges, meter rent, or government subsidies. Always verify with your official DISCOM bill.
Our Editorial Team
Every calculator, tariff table, and guide is researched and verified by our in-house team of energy analysts and technical writers.
Energy Data Analysts
Verify all DISCOM tariff slabs against official state electricity regulatory commission (SERC) orders. Update FY rate tables within 72 hours of new tariff orders being published.
Calculator Engineers
Build and test every calculation algorithm against real-world bills. All formulas are cross-verified with official BEE methodology and DISCOM billing guidelines before publishing.
Technical Writers
Translate complex tariff structures into plain-English guides. All buying guides include hands-on testing data and verified specifications from BEE star-label ratings.
Contact Our Editorial Team
Found a data error or have a tool suggestion? Email us at [email protected] — we review all editorial feedback within 48 hours.
Meet the Analysts: The DU Tech Team
Lead Energy Analysts & Appliance Auditors — the engineering minds behind every tool.
Have Feedback or Found an Error?
We take data accuracy seriously. If you spot a tariff discrepancy, have a tool suggestion, or just want to share your experience, we'd love to hear from you.
Ready to Take Control of Your Bills?
Start with our most popular tools — used by millions of Indian households every month.