JOULEBRIDGE TECHNOLOGIES (OPC) PRIVATE LIMITED

In their own words

Company Name: JouleBridge Technologies (OPC) Private LimitedOne-line summary: JouleBridge is an energy data verification platform that makes every electricity meter reading cryptographically provable, enabling utilities, industrial consumers, and EV operators to independently verify billing accuracy with tamper-evident proof. The Problem:India is deploying 250 million smart meters under the Revamped Distribution Sector Scheme (RDSS), a Rs 3,03,758 crore government initiative. These meters generate billions of data points — energy readings, billing records, demand profiles — that flow through multiple systems before reaching a consumer's bill or a utility's revenue account. Today, none of this data is independently verifiable. Meter readings can be altered in transit, disputed between parties, or simply miscounted. The result: - India's electricity distribution sector loses approximately Rs 1.2 lakh crore per year (~$15 billion) to Aggregate Technical and Commercial (AT&C) losses - Commercial and Industrial consumers have no independent way to verify whether their electricity bill is accurate - Billing disputes between DISCOMs, AMISPs, and consumers take 6-18 months to resolve because neither party has tamper-proof evidence - EV charging operators cannot prove energy dispensed per session for subsidy audits and fleet billing The Innovation:JouleBridge solves this with a three-part system: 1. Bridge Kernel — A lightweight, deterministic verification engine written in Rust that runs on a small industrial gateway device (DIN-rail mounted, size of a deck of cards). It connects directly to smart meters via RS485 (DLMS/COSEM protocol, IS 15959 compliant), reads every meter register at configurable intervals, and cryptographically signs each reading using Ed25519 digital signatures. Signed readings are stored in a tamper-evident hash-chain ledger on the device itself, then synced to the cloud. The signing happens at the point of data origin — before the data enters any other system — making it impossible to alter readings after the fact without breaking the cryptographic chain. 2. JouleBridge Cloud — A multi-tenant cloud platform that receives verified data from field gateways, provides APIs for querying and analysis, detects anomalies (voltage deviations, clock drift, zero-consumption periods, billing discrepancies), and generates evidence packs — structured, cryptographically signed reports that document every anomaly with its source data, timestamp, and proof chain. 3. JouleBridge Console — An operator-facing web dashboard for monitoring device health, reviewing anomalies, managing fleet deployments, and downloading evidence reports. What makes this innovative:- Verification at the edge, not in the cloud: Unlike existing MDM (Meter Data Management) systems that accept data after it has already passed through multiple systems, JouleBridge signs data at the meter itself. This is a fundamentally different trust model — the proof originates where the measurement happens. - Protocol-native integration: Bridge Kernel speaks DLMS/COSEM (India's IS 15959 standard) natively, as well as Modbus RTU/TCP, OCPP 1.6/2.0, and CAN bus (J1939). It reads directly from the meter's communication port, not from an intermediary system. - Tamper-evident by design: Every reading is signed with Ed25519 (the same signature algorithm used in secure systems globally), linked in a hash chain, and stored with policy-engine validation. Any alteration — even a single bit change — breaks the chain and is immediately detectable. - Hardware-agnostic: Runs on commodity industrial gateway hardware (ARM-based, ~INR 17,000-21,000 per unit). No proprietary hardware lock-in. Market Opportunity:- 250 million smart meters being deployed under RDSS — each generating data that needs verification - AT&C losses of ~$15 billion/year in India alone — even 1% improvement is worth hundreds of crores - India's C&I electricity market: thousands of factories, data centers, and campuses paying Rs 5-50 lakh/month in unverified electricity bills - Growing EV charging infrastructure (10,000+ public chargers) requiring verifiable energy dispensing records for FAME subsidy compliance Current Status:- Bridge Kernel MVP is complete: DLMS/COSEM reads, Ed25519 signing, hash-chain ledger, policy engine, cloud sync — all functional - Built entirely by a solo technical founder (full stack: Rust kernel, cloud platform, web console, website) - Pre-revenue, actively pursuing first paid C&I pilot customers - Product developed full-time since January 2026 Founder Background:Tarun Sai Reddy Trilokesh — MS Robotics (University of Maryland, 2024), BE ECE (NHCE Bangalore, 2020). Former Controls Engineer at Wabtec Corporation (Fortune 500), Embedded Systems Engineer at TSC Technologies (nanosatellite subsystems). 5 patents filed, 2 books co-author

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