Professional solar panel installation across Kolkata & West Bengal
Solar panel installation is the single biggest factor in how much a system generates and how long it lasts. HELIORA's trained technicians install ALMM-approved, DCR-certified solar panels on RCC roofs, sheet roofs and ground mounts throughout Kolkata and West Bengal — following MNRE, BIS, IEC and DISCOM standards, with audit-ready documentation for every installation.
Certified installers
Trained technicians follow structured installation checklists for wiring, mounting and earthing safety.
Every roof type
RCC-mounted, sheet-roof and ground-mount installation for residential, society and commercial sites.
Inspection-ready
Full DC array box, AC DB, earth rod and breaker installation, tested before commissioning.
Our solar panel installation checklist
- Rooftop structural assessment and mounting-structure design suited to Kolkata's climate and monsoon load.
- Module-level wiring, DC array box, AC distribution board and breaker installation.
- Earthing and lightning-protection installation as per IEC/BIS safety norms.
- Third-party inspection coordination and CESC / WBSEDCL net-metering commissioning.
- Post-installation testing, generation verification and handover documentation.
From site visit to commissioned system
Site Survey
Roof measurement, structural check and shadow analysis at your Kolkata / West Bengal property.
Installation Plan
Mounting-structure design and layout finalised for maximum generation.
Material Delivery
ALMM-approved panels, inverters and BOS components delivered to site.
Installation
Mounting, wiring, DC/AC panel installation and earthing by trained crews.
Testing & Commissioning
Safety checks, inspection coordination and net-meter commissioning.
Handover & Support
Documentation handover plus ongoing monitoring and AMC options.
Solar panel installation across Kolkata & West Bengal
Installation services available across Kolkata (all zones), Howrah, Hooghly, North & South 24 Parganas, Nadia, Paschim & Purba Medinipur, Bardhaman and other West Bengal districts. Explore our related services: Residential Rooftop Solar, Commercial Solar EPC and EPC turnkey projects.
Solar panel installation — common questions
How long does solar panel installation take?
A typical residential installation in Kolkata takes 1–3 days on site, with total project time (including subsidy and net-metering approval) of 2–4 weeks.
Which panels do you install?
We install ALMM-approved, DCR-certified mono PERC solar panels with a 25-year performance warranty.
Can you install on any roof type?
Yes — we install on RCC roofs, metal sheet roofs and ground-mount structures across Kolkata and West Bengal.
Do you handle net metering after installation?
Yes, full CESC / WBSEDCL net-metering application and commissioning is included in every installation.