Solar Plant Installation in Chennai — Rooftop · Commercial · MW-Scale | Ziloxis
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1,976 GHI · Ziloxis Solar EPC

Solar Plant Installation & EPC in Chennai

Turnkey rooftop, commercial and MW-scale solar plants in Chennai — PM-Surya-Ghar subsidy filed on your behalf, DISCOM net-metering handled end-to-end, Tier-1 modules with 25-year linear performance warranty.

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Executive Overview

Solar in Chennai · Quick Facts

Solar in Chennai — Executive Overview, Turnkey Deliverables, Geographies Served and Execution Timeline.
AttributeDetails
Solar Irradiance (GHI)1,976 kWh/m² / year
Peak-Sun Hours2,725 hrs / year (avg 7.46 hrs/day)
Local DISCOMTANGEDCO
Net-Metering PolicyTNERC net-metering up to 999 kW LT + 5 MW HT. Rooftop consumers on LT-tariff below 112 kW opt for gross-metering by default.
PM-Surya-Ghar + StatePM-Surya-Ghar ₹30,000/kW (max ₹78,000). Tamil Nadu waives wheeling charges for captive rooftops.
Typical Plant SizesAuto-cluster 500 kW – 5 MW · Textile mills 500 kW – 3 MW · Rooftop residential 3–10 kW
Grid Tariff Slab₹4.80 – ₹10.00 per kWh (TANGEDCO LT-domestic, FY25-26)
Simple Payback3.9 – 4.7 years post-subsidy
Expert Perspective

Core Differentiators

  • Site-visit + shadow analysis done in Chennai within 72 hours of enquiry — no advance retainer.
  • DISCOM liaison handled end-to-end: net-metering application, feasibility, meter-installation, inspection sign-off.
  • PM-Surya-Ghar portal filing on behalf of the customer — subsidy released to your account 15-30 days post commissioning.
  • Only Tier-1 module + inverter brands (Waaree · Tata · Adani · Fronius · Sungrow) — 25-year linear performance warranty transferred to you.
  • SCADA + IoT monitoring for every plant ≥25 kW — remote fault detection, monthly O&M report emailed on the 1st.
  • EPC + O&M + financing under one roof — Ziloxis Loan Desk arranges term-loan / OPEX-PPA if you don't want CAPEX.
High-Intent Q&A

Frequently asked about Solar in Chennai

What plant size makes sense for a household in Chennai?+
For a 3 BHK with ~₹4,000-6,000 monthly bill, a 3-5 kW rooftop covers 80-100% of consumption. Post PM-Surya-Ghar subsidy (₹30,000/kW up to ₹78,000) the effective spend is ₹1.6-2.2 lakhs for 3 kW and ₹2.4-3.0 lakhs for 5 kW. Payback: 3.9 – 4.7 years post-subsidy.
Which DISCOM handles my net-metering application in Chennai?+
TANGEDCO. Ziloxis files the application on your behalf, coordinates the site-feasibility inspection and installs the DISCOM-approved bi-directional meter.
Can I claim the PM-Surya-Ghar subsidy in Chennai?+
Yes. PM-Surya-Ghar ₹30,000/kW (max ₹78,000). Tamil Nadu waives wheeling charges for captive rooftops. We manage the portal registration, vendor mapping (Ziloxis is empanelled), inspection and subsidy release. You receive the DBT to your linked bank account within 15-30 days of commissioning.
How long does a solar plant last and what maintenance is needed?+
Modules carry a 25-year linear performance warranty (≥85% output at year 25) from all Tier-1 brands we deploy. Inverters need replacement once (year 10-12). Ziloxis O&M contract includes monthly cleaning + quarterly performance audit + SCADA monitoring.
Do you install solar on rented / leased property in Chennai?+
Yes — via an OPEX-PPA model. Ziloxis (or our funding partner) owns the plant, you pay only for the units generated at 30-40% below your DISCOM tariff. No CAPEX, no maintenance. Contract runs 10-15 years, transferable at exit.
What is the typical grid-tariff you'd offset in Chennai?+
₹4.80 – ₹10.00 per kWh (TANGEDCO LT-domestic, FY25-26). That's the number that drives your payback — higher your slab, faster the plant pays for itself.
Sectors Ziloxis solarises in Chennai

Live pipeline — Chennai

  • Auto-cluster PPAs
  • Textile-mill retrofits
  • SEZ rooftop
  • Coastal warehouse
Get our full price grid
All prices exclusive of GST · Taxes extra
MNRE-empanelled EPC
Tier-1 modules · 25-yr linear warranty
PM-Surya-Ghar filed
Subsidy DBT in 15-30 days post-COD
72-hour site-visit SLA
Callback in 20 min · Chennai team
Ziloxis · From the field in Chennai

Case studies from live Chennai solar projects

Industrial HT rooftop + carport
Textile mill · Tirupattur
Plant
1.2 MW
CAPEX
₹4.6 Cr
Savings
₹1.6 Cr / year · TANGEDCO tariff offset
Payback
3.5 years
“TANGEDCO's LT-vs-HT nuance was tricky. Ziloxis walked us through the 999 kW LT ceiling and structured the second block on HT to preserve net-metering benefits.”
SEZ rooftop
SEZ tenant · Mahindra World City
Plant
320 kW
CAPEX
₹1.3 Cr
Savings
₹42 L / year
Payback
3.4 years
“The SEZ authority approval usually takes a quarter — Ziloxis pre-empted the CAM/BOCC file and cut it to five weeks.”

Case studies are anonymised composites drawn from Ziloxis' actual EPC pipeline in Chennai. Plant sizes, CAPEX and savings figures reflect real deployed projects.

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