⚡ TANGEDCO Accumulated Loss: ₹1.23 Lakh Crore ⚡ Renewable Energy Share: 71% — highest among large states ⚡ AT&C Losses reduced from 18.2% → 14.8% (2021–2024) ⚡ TN #1 in Rooftop Solar Installations nationally ⚡ Power Purchase Cost: ₹6.84/unit — 141% rise since 2010 ⚡ 0–100 units FREE for domestic consumers ⚡ Peak Demand Met: 98.4% — near deficit-free supply ⚡ TANGEDCO Accumulated Loss: ₹1.23 Lakh Crore ⚡ Renewable Energy Share: 71% — highest among large states ⚡ AT&C Losses reduced from 18.2% → 14.8% (2021–2024) ⚡ TN #1 in Rooftop Solar Installations nationally ⚡ Power Purchase Cost: ₹6.84/unit — 141% rise since 2010 ⚡ 0–100 units FREE for domestic consumers ⚡ Peak Demand Met: 98.4% — near deficit-free supply

Tamil Nadu Electricity Data Hub
தமிழ்நாடு மின்சாரத் தரவு மையம்

15 years of TN electricity data — generation, losses, tariffs, TANGEDCO financials, renewable growth and party-wise performance. Compare with 10 states. Source: TVK White Paper 2026, CEA, TANGEDCO Annual Reports.

₹1.23L Cr
TANGEDCO Accum. Loss
71%
Renewable Share
14.8%
AT&C Loss (↓ from 18.2%)
31,240 MW
Installed Capacity
₹6.84
Power Purchase/Unit
#1
Rooftop Solar Rank
Explore by Topic
🏭

TANGEDCO Financials

Revenue, expenditure, annual losses, accumulated losses, debt trajectory over 15 years.

₹1.23L Cr
Accumulated losses

Generation & Renewable

Installed capacity, energy mix, wind & solar growth, AT&C losses, peak demand vs supply.

71%
Renewable share
🗳️

Party Rule Comparison

DMK vs AIADMK — who added more capacity? Who reduced losses? Who left bigger debt? Data decides.

4 Govts
Since 2006
📊

State Comparison

TN vs MH, GJ, KA, AP on AT&C losses, tariffs, renewable share, per capita consumption, utility losses.

10 States
Comparison tool
📄

White Paper 2026

Key findings from the DMK government's electricity white paper — inherited problems, current reforms.

8 Findings
Key issues
Key Metrics at a Glance

TANGEDCO Accumulated Loss (₹ Crore) ?

Source: TANGEDCO Annual Reports, TVK White Paper 2026

Renewable Energy Growth — TN (MW) ?

Source: TANGEDCO, MNRE 2024

AT&C Losses vs Power Purchase Cost ?

Source: TANGEDCO Annual Reports

Party Rule — Capacity Added vs Losses Added ?

Source: TANGEDCO, TVK White Paper 2026
15-Year Snapshot
YearInst. Cap (MW)Renewable %AT&C Loss % Purchase ₹/UnitAnnual Loss (₹Cr)Accum. Loss (₹Cr)
Source: TANGEDCO Annual Reports 2010-2025, TVK White Paper 2026
State Comparison Preview

AT&C Losses — 10 States (2023) ?

Renewable % of Installed Capacity — 10 States ?

Full State Comparison Tool →
White Paper 2026 — Key Findings
Full White Paper Analysis →
Data Sources
TVK White Paper 2026DMK Govt's electricity sector white paper — inherited debt, reforms underway.
CEA Annual Report 2024Central Electricity Authority — capacity, generation, demand, deficit data.
TANGEDCO Annual Reports15 years of revenue, expenditure, losses, AT&C, tariff data.
PFC Report 2022-23Power Finance Corp — state utility financial performance, losses, receivables.
MNRE Data 2024Ministry of New & Renewable Energy — wind, solar, state-wise capacity.
NITI Aayog SECI 2023State Energy & Climate Index — cross-state energy performance ranking.