Bihar's Sunshine. Your Power. Our Expertise.
DCR-certified on-grid, hybrid, and off-grid solar installations. Get up to ₹98,000 subsidy (Central + Bihar Govt.) and slash your bill by up to 90%.
- DCR-certified, ALMM-listed modules
- Up to ₹98,000 government subsidy
- Bills reduced by up to 90%
- Installations
- 500+Installations
- Capacity Deployed
- 3.2 MWCapacity Deployed
- Engineering Lead
- 12 yrsEngineering Lead
- Saved for clients
- ₹4.2 CrSaved for clients
Systems
One promise — bills crushed.
Whether your goal is subsidy, backup, or full independence — we match the system to your roof, your load, and your budget.
On-grid DCR Systems
DCR-certified modules tied directly to the grid. Eligible for PM Surya Ghar subsidy. Best for homes & SMEs with reliable grid power.
- Up to 60% subsidy eligible
- 5–25 yr warranty stack
- Net-metering setup
Hybrid DCR Systems
Solar + battery + grid in one stack. Keeps essentials running through outages, automatically.
- Lithium battery storage
- Outage auto-switch
- Smart load priority
Off-grid Solar
Total independence from the grid. Engineered for rural homes, farmhouses, and remote installations where grid power is unreliable or absent.
- Custom battery banks
- Cyclonic/seismic-rated mounts
- Remote-monitor enabled
Govt. Subsidy Assistance
Up to ₹98,000 combined Central + Bihar subsidy. We handle eligibility, documentation, and the full application.
- PM Surya Ghar + Bihar State subsidy
- ALMM-listed, DCR-compliant modules
- We handle end-to-end paperwork
Why Solar Zest
Engineering you can rely on
From DCR-certified modules to in-house engineering and monitoring, every plant is built to perform and to qualify for subsidy.
DCR Certified
Only ALMM-listed, DCR-compliant modules — eligible for every subsidy scheme.
In-house Engineering
Civil + electrical + structural — one accountable team from survey to commissioning.
IoT Monitoring
Every plant we install ships with cloud monitoring. We see issues before you do.
Annual Maintenance
Annual maintenance contracts that actually keep your generation curve healthy.
Bills cut up to 90%
A well-designed system can reduce your monthly electricity bill by up to 90%.
Subsidy support
Get up to ₹98,000 combined Central + Bihar subsidy on your rooftop system.
Products
Quality components for your system
We work with the key components that make up a complete, reliable solar system.
Solar Panels / Modules
Photovoltaic modules
The panels that convert sunlight into electricity. The right choice depends on your roof space, budget, and energy needs.
Inverters
Power conversion
Converts the DC power from your panels into AC power used by your home or business.
Batteries / Storage
Energy storage
Stores solar energy for use during outages or at night. Used in off-grid and hybrid systems.
Complete Solar Systems / Kits
Full system packages
Complete packages that include panels, inverter, mounting, and balance-of-system components, sized for your requirement.
How it works
A simple, step-by-step process
From your first enquiry to after-sales support, we keep things clear at every step.
- 01
Enquiry
Share your requirement and electricity usage so we can understand your needs.
- 02
Site assessment
We assess your roof/space, shading, and consumption to recommend the right system.
- 03
Proposal
You receive a clear proposal with the recommended system and next steps.
- 04
Installation
Our team installs the system and commissions it for use.
- 05
Support
We provide after-sales service and maintenance guidance.
Ab Bihar mein ₹98,000 Subsidy!
Combine PM Surya Ghar Muft Bijli Yojana (Central) with the Bihar State Subsidy — total savings up to ₹98,000 on your rooftop solar installation.
Central Scheme
PM Surya Ghar
State Scheme
Bihar Govt.
Rooftop Solar Subsidy Breakup
| Solar Capacity | Central | Bihar Govt. | Total Max |
|---|---|---|---|
| 1 kW | ₹30,000 | ₹10,000 | ₹40,000 |
| 2 kW | ₹60,000 | ₹20,000 | ₹80,000 |
| 3 kW & above | ₹78,000 | ₹20,000 | Up to ₹98,000 |
* Subject to eligibility & scheme guidelines. We handle end-to-end paperwork.
Subsidy & financing
Solar Subsidy & Government Schemes
Government solar schemes may offer subsidy support to eligible customers. Eligibility, conditions, and amounts are defined by the scheme and can change over time.
How subsidy support works
- Eligibility depends on the scheme, customer type, and system details.
- Required conditions and documentation vary by scheme.
- We assist eligible customers with understanding the process.
Scheme(s): PM Surya Ghar Muft Bijli Yojana (Central) + Bihar State Subsidy
Subsidy amount / eligibility: Up to ₹98,000 total subsidy on rooftop solar (Central + Bihar State).
Financing & EMI
If financing options are available for your system, we can share the relevant information so you can plan your purchase.
Available options: Financing / EMI options confirmed on enquiry, where available.
Subsidy details are set by the relevant government authority and are subject to change. Please contact us to confirm current eligibility and requirements for your case.
DCR & Domestic Content Requirement
DCR stands for Domestic Content Requirement. In certain government solar programs, systems are required to use solar cells and modules manufactured in India to be eligible for specific subsidies or benefits.
Whether DCR components are required depends on the specific scheme you apply under and the rules in force at the time. We can help you understand which option fits your situation.
Our work
Projects & installations
A look at the solar systems we have delivered for our customers.
Project showcase coming soon
We're preparing a showcase of our completed installations. In the meantime, contact us to hear about work relevant to your requirement.
Contact usAbout us
Engineered for Bihar.
Solar Zest Infra is a Patna-based clean-energy company specialising in turnkey solar EPC and consultancy. We design, supply, install, and service on-grid DCR, hybrid DCR, and off-grid solar power systems across Bihar and neighbouring states.
Our mission
To make clean solar energy accessible and straightforward for our customers, with honest advice, quality engineering, and dependable service.
Experience
Backed by 500+ installations, 3.2 MW of capacity deployed, and 12 years of engineering leadership.
What we do
- Solar EPC — design, supply & installation
- Solar consultancy & system sizing
- Subsidy documentation & processing
- IoT monitoring & annual maintenance
FAQ
Common questions
Quick answers to what customers ask most. See the full list on our FAQ page.
Contact
Book your free site survey
Tell us about your space. We'll come back within 24 hours with a tailored proposal — system size, savings, and subsidy breakdown.
Get in touch
Reach us directly, or fill in the form and we'll contact you.
Phone
WhatsApp
Address
202, E-119, Rajesh Path, South S.K. Puri, Patna – 800001, BiharService areas
Patna & across Bihar
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