Solar EPC · Pan-India
India's Leading Solar EPC Company — Government & PSU Projects
End-to-end Engineering, Procurement & Construction of solar power plants for government bodies, PSUs, defence, hospitals, and universities across India.
50+
Projects Delivered
25 MW+
Capacity Installed
15+
States Covered
100%
Government Clients
Our Process
End-to-End EPC Delivery
From feasibility study and DPR preparation to commissioning and long-term O&M, we manage every phase of your solar project with precision and accountability.
Engineering & Design
Site survey to detailed project report
Comprehensive site assessment, shadow analysis, single-line diagrams, structural design, and DPR preparation aligned with MNRE and state DISCOM guidelines.
- Site feasibility study
- Shadow & yield analysis
- Structural & electrical design
- DPR & tender documentation
Procurement
Tier-1 equipment, verified supply chain
Sourcing of Tier-1 solar modules, inverters, mounting structures, and BOS components through vetted suppliers with full quality inspection and logistics management.
- Tier-1 module & inverter sourcing
- Quality inspection & testing
- Logistics & customs clearance
- Warehouse & site delivery
Construction & Commissioning
On-time, on-budget plant delivery
Civil works, mounting structure erection, module installation, electrical cabling, grid synchronisation, and DISCOM commissioning with all statutory approvals.
- Civil & structural works
- Module & inverter installation
- Grid synchronisation & testing
- DISCOM commissioning & approvals
Operations & Maintenance
Long-term performance assurance
Scheduled preventive maintenance, remote monitoring via SCADA, performance ratio tracking, and rapid fault resolution to maximise plant uptime and generation.
- Preventive & corrective maintenance
- SCADA remote monitoring
- Performance ratio reporting
- Annual maintenance contracts
National Mission
500 GW by 2030
Why Solar
The Case for Solar in India's Public Sector
Government and PSU bodies across India are mandating renewable energy targets. Solar EPC is the fastest, most cost-effective path to compliance and energy savings.
Zero Fuel Cost
Solar generation has no fuel input cost, eliminating price volatility and reducing operational expenditure permanently.
25-Year Asset Life
Modern solar plants deliver reliable generation for 25+ years with minimal degradation, providing long-term energy security.
Electricity Bill Savings
Government buildings and campuses typically achieve 30–50% reduction in grid electricity bills after solar installation.
Regulatory Compliance
Meet RPO targets, MNRE mandates, and state DISCOM net-metering requirements with a fully compliant EPC solution.
Who We Are
About HillRockS International
HillRockS International (OPC Private Limited) is a dedicated Solar EPC company headquartered in India, specialising in government and public sector solar power projects. Whether you know us as Hill Rocks International, Hillrocks International, or simply HillRockS — we are the same trusted team delivering solar plants from concept to commissioning.
From defence establishments and central government ministries to PSUs, hospitals, railways, and municipalities — Hill Rocks International has built a reputation for on-time delivery, technical rigour, and long-term O&M support across India.
Legal Name
HillRockS International OPC Pvt. Ltd.
Also Known As
Hill Rocks International · Hillrocks · HillRocks
Sector Focus
Government · PSU · Defence · Municipal
Service Scope
Engineering · Procurement · Construction · O&M
Ready to Start Your Solar Project?
Share your project requirements and our EPC specialists will prepare a detailed proposal within 48 hours — at no cost.