How much does a TNEB new connection cost?

Single phase domestic: ₹2,500-3,500. Three phase domestic: ₹5,000-8,000. Three phase commercial: ₹10,000-25,000. Costs include security deposit, meter charges, and service line charges.

How many days for TNEB new connection?

As per TNERC regulations: 7 days for single phase (if no infrastructure needed), 30 days for three phase. In practice, it may take 15-45 days depending on area and infrastructure availability.

What documents are needed for TNEB new connection?

ID proof (Aadhaar), address proof (patta/tax receipt), building plan approval, ownership proof, passport photos (2), and application form. For commercial: additional trade license.

TNEB New Connection 2026 — Complete Guide

Updated July 2026

Everything you need to know about getting a new TNEB electricity connection: charges, documents, timeline, and step-by-step application process.

💰 TNEB New Connection Charges (2026)

Connection Type	Security Deposit	Service Charges	Total (Approx)
Single Phase - Domestic (2kW)	₹1,500	₹1,000-2,000	₹2,500-3,500
Single Phase - Domestic (3kW)	₹2,250	₹1,000-2,000	₹3,250-4,250
Three Phase - Domestic	₹3,000-5,000	₹2,000-3,000	₹5,000-8,000
Three Phase - Commercial	₹5,000-15,000	₹5,000-10,000	₹10,000-25,000
Three Phase - Industrial	₹10,000+	₹10,000+	₹20,000+

*Exact charges vary based on load, distance from transformer, and infrastructure needed.

📋 Documents Required

For Domestic Connection:

Application form (available at section office or online)
Aadhaar card (ID proof)
Address proof — Property tax receipt / Patta copy / Sale deed
Building plan approval (from local body)
Ownership proof or NOC from owner (for tenants)
Passport size photos — 2 copies
Wiring completion certificate (from licensed electrician)

Additional for Commercial/Industrial:

Trade license / GST registration
Partnership deed / Company registration
Load calculation certificate
Electrical contractor certificate (for HT connections)

⏱️ Timeline — How Many Days?

Phase	TNERC Mandate	Typical Reality
Single Phase (no infra needed)	7 days	7-15 days
Single Phase (infra needed)	30 days	15-30 days
Three Phase Domestic	30 days	20-45 days
Three Phase Commercial	30 days	30-60 days
HT Connection	60 days	60-120 days

📝 Step-by-Step Application Process

Step 1: Visit Section Office or Apply Online

Find your nearest TNEB section office. Bring all documents listed above. Alternatively, apply online at tnebnet.org → New Service Connection.

Step 2: Inspection

TNEB engineer will inspect your premises within 7 days. Ensure wiring is complete and meets safety standards.

Step 3: Pay Charges

After approval, pay the security deposit and service charges. Keep the receipt.

Step 4: Meter Installation

TNEB will install the meter and connect your premises to the grid. You'll get your service number.

Step 5: Connection Activated

Power supply begins. Register on tnebnet.org for online bill payment and account management.

💡 Pro Tip: Apply online to avoid multiple trips to the section office. Track your application status with your application number on tnebnet.org.

📋 Detailed New Connection Guide with Calculator

Common Issues & Solutions

Application rejected?

Common reasons: incomplete documents, building without approval, property disputes. Fix the issue and re-apply.

Delayed beyond 30 days?

File a complaint using our Complaint Generator. TNEB is mandated to provide connection within 30 days. Cite TNERC Supply Code Regulation 8.

Need temporary connection?

For construction/events, apply for temporary connection. Faster approval (7 days), but higher per-unit charges.