Bihar is drawing investment in solar power, battery storage, pumped hydro and green hydrogen as the state expands its renewable energy capacity. Several public and private companies have announced projects across these areas, creating opportunities for businesses and organizations exploring clean power solutions. Understanding what the renewable energy companies in Bihar plan to build, their project status and their area of expertise can help you identify the right partner for your requirements.
Also Read: Renewable Energy Companies in Uttar Pradesh – Always Clean, Always On
Renewable Energy Companies in Bihar at a Glance
The renewable energy companies in Bihar listed below have signed an agreement with a Bihar government body or announced a Bihar project and the commitment is backed by a company filing, a government release or dated news coverage. Companies without a traceable Bihar commitment are left out.
| Company | Type | Technology | Signed with |
|---|---|---|---|
| Avaada Group | Private developer | Ground-mounted and floating solar | BREDA |
| NHPC | Public sector | Solar, green hydrogen mobility | Department of Industries |
| SECI | Public sector | Renewable projects including floating solar | BSPGCL |
| NTPC Green Energy | Public sector | Ground-mounted and floating solar, battery storage, green hydrogen mobility | Department of Industries; BSPGCL |
| Larsen & Toubro | Private EPC | Battery energy storage | BSPGCL |
| SJVN | Public sector | Pumped storage | Government of Bihar |
| Sun Petrochemicals | Private developer | Renewable energy and storage infrastructure | Government of Bihar |
| Ashoka Buildcon | Private developer | Green hydrogen with captive solar | Government of Bihar |
Top Renewable Energy Companies in Bihar
Bihar is attracting investment across solar power, battery storage, pumped hydro and green hydrogen. Several public and private companies have signed agreements or announced investment plans to support the state’s renewable energy capacity. Here are some of the top renewable energy companies in India, grouped by their main project areas, along with their proposed investments, project details and current status.
Solar and Floating Solar
Solar and floating solar projects are expanding Bihar’s renewable energy potential, with companies investing in ground-mounted installations and solar systems on water bodies to increase clean electricity generation.
1. Avaada Group
- Headquarters: Mumbai
- Type: Private renewable energy developer
- Proposed capacity: 1 GW of ground-mounted and floating solar
- Project details: The commitment is subject to feasibility studies under a memorandum of understanding with the Bihar Renewable Energy Development Agency (BREDA).
- Status: Agreement signed in July 2025 during the launch of Bihar’s new energy policies in Patna.
2. NHPC Limited
- Headquarters: Faridabad, Haryana.
- Type: Central public sector hydropower and renewable energy company
- Proposed investment: ₹5,500 crore
- Project details: Includes 1,000 MW of solar capacity and green hydrogen mobility pilot projects, with around 800 jobs expected.
- Status: An intent-for-investment memorandum was signed with the Department of Industries on 20 December 2024 during Bihar Business Connect.
3. Solar Energy Corporation of India (SECI)
- Headquarters: New Delhi
- Type: Central public sector implementing agency
- Proposed investment: ₹3,000 crore
- Project details: Covers renewable energy projects, including floating solar, under an agreement with Bihar State Power Generation Company Limited (BSPGCL).
- Status: Agreement signed in July 2025.
Battery Energy Storage
Battery storage projects can help store electricity for use when solar generation is low. The following companies have announced agreements covering storage infrastructure in Bihar.
1. NTPC Green Energy Limited
- Headquarters: New Delhi
- Type: Public sector renewable energy subsidiary of NTPC
- Project details: Two agreements cover renewable energy and storage:
- December 2024: An agreement with the Department of Industries covering ground-mounted and floating solar, battery energy storage and green hydrogen mobility.
- July 2025: An agreement with BSPGCL for 1,000 MW of battery energy storage, with an indicated investment of ₹1,500 crore.
- Status: Both agreements have been signed. Capacity under the December 2024 agreement was not disclosed.
2. Larsen & Toubro (L&T)
- Headquarters: Mumbai
- Type: Private engineering and construction company
- Project capacity: 116 MW / 241 MWh
- Project details: A battery energy storage system at Kajra in Lakhisarai district, valued at ₹837.66 crore. Kajra also hosts a state solar project.
- Status: Agreement with BSPGCL signed in July 2025.
Pumped Hydro Storage
Pumped hydro storage uses electricity to pump water to a higher reservoir and generates power when the water flows back down. It can support electricity supply when demand is high.
1. SJVN Limited
- Headquarters: Shimla, Himachal Pradesh.
- Type: Central public sector hydropower company
- Proposed investment: Around ₹10,000 crore across pumped storage projects
- Key project: The 1,000 MW Hathidah Durgawati project in Kaimur district, planned as four units of 250 MW each.
- Employment: Around 5,000 direct and indirect jobs have been indicated.
- Status: The Ministry of Power named SJVN the nodal agency for pumped storage in Bihar in August 2022. The state allotted four projects to the company and a memorandum with the state government was reported in January 2025.
Also Read: What Is Pumped Storage Hydropower and How Does It Work?
2. Sun Petrochemicals
- Headquarters: Mumbai, Maharashtra.
- Type: Private energy company within the Sun Group
- Announced investment: ₹36,700 crore
- Project details: Renewable energy and storage infrastructure, with the company indicating more than 30,000 jobs.
- Status: Announced at Bihar Business Connect 2024 and confirmed on the company’s website in January 2025. The company describes the projects as being in a pre-commissioning phase.
Green Hydrogen
Green hydrogen is produced using electricity from renewable sources to split water into hydrogen and oxygen. It can support industrial applications and other uses where reducing emissions is a priority.
1. Ashoka Buildcon
- Headquarters: Nashik, Maharashtra.
- Type: Private infrastructure and construction company
- Announced investment: ₹9,000 crore
- Project details: A proposed green hydrogen plant at Begusarai, supported by a 1,250 MW solar project to power electrolysis.
- Status: Announced at Bihar Business Connect in December 2024.
Also Read: What is Green Hydrogen: How It’s Made & Why It Matters
Solar Panel Manufacturers and Rooftop Solar Companies in Bihar
Readers searching for panel suppliers are usually after a different kind of company. A module manufacturer makes panels. An installer or EPC (engineering, procurement and construction) contractor fits a system on your roof. A developer builds and owns generations at scale. For a household or a small business, the installer is the relevant category.
Avaada Group also commissioned a 50 MW solar plant in Banka district in 2024. Community solar plants of this kind matter for homes and shops in Bihar that lack a suitable roof, since they let consumers draw on solar power generated elsewhere.
Bihar Renewable Energy Policy 2025: Targets, Incentives and Opportunities for Companies
The Bihar Policy for Promotion of New and Renewable Energy Sources 2025 supersedes the 2017 framework. Its headline numbers:
- Renewable energy target: 23,968 MW by FY2029-30, comprising 21,653 MW of utility-scale projects, 1,975 MW of distributed renewable energy projects and 340 MW of off-grid renewable energy projects.
- Energy storage target: 6,100 MWh (6.1 GWh) by FY 2029–30.
- Technologies covered: solar, wind, hydro, energy storage, waste-to-energy, green hydrogen, geothermal and other technologies recognized by MNRE and BREDA.
- Nodal agencies: BREDA for renewable projects, Bihar State Hydroelectric Power Corporation Limited for hydropower and BSPGCL for pumped storage.
The incentives are what make the policy relevant to developers. They include 100% exemption from electricity duty for 15 years from commissioning, 100% SGST reimbursement for five years, full stamp duty reimbursement on industrial land, exemption from transmission and wheeling charges for 15 years and 20 years for projects paired with storage, open access for 25 years, reimbursement of land conversion charges and retention of carbon credit proceeds by the generator. Bihar also launched a separate Bihar Policy for Pumped Storage Project 2025.
The state’s peak demand has risen to 9,475 MW from 6,627 MW in FY2022 and is expected to reach about 11,747 MW by 2030, against a power sector investment pipeline of ₹1,38,541 crore over five years. Most of the 2029-30 target is still to be built, which is why the agreements above matter.
How to Choose a Renewable Energy Company in Bihar
First, identify the type of company you need. A developer builds, owns and operates power projects and sells the electricity. An EPC contractor designs and builds projects for clients, while a panel manufacturer supplies solar modules. Choosing the right type saves time and helps you find a suitable partner.
Consider these five factors before making a decision:
- Project type: Utility-scale solar, rooftop systems and energy storage require different expertise. Check whether the company has experience with your specific project.
- Track record in Bihar: Ask for details of completed projects in the state, including their locations and commissioned capacity. An investment agreement shows intent, while a commissioned project demonstrates delivery.
- Grid connectivity and land: Check the project’s grid connectivity status and whether the land has been secured. These factors can affect the project timeline.
- Operations and maintenance: Confirm the maintenance period, response times and any commitments related to power generation.
- Financing: Find out whether the company will fund the project itself, as in an open-access or captive power arrangement or whether you will need to invest in the asset.
Conclusion
Bihar is shifting from a thermal-heavy grid to solar, battery storage and pumped hydro, with a policy target of 23,968 MW of renewable capacity by FY 2029-30 from a base of 646.26 MW. The companies above have made that shift concrete through signed agreements across solar, storage, pumped hydro and green hydrogen.
To discuss a utility-scale solar, hybrid or storage-backed supply arrangement in Bihar, connect with one of the best renewable companies in India, Avaada Group’s renewable energy experts.
FAQs
Which companies have signed agreements for renewable energy projects in Bihar?
Avaada Group, NTPC Green Energy, NHPC, SJVN, SECI, Larsen & Toubro, Sun Petrochemicals and Ashoka Buildcon have all signed agreements with Bihar government bodies. The agreements span ground-mounted and floating solar, battery storage, pumped hydro and green hydrogen.
What is BREDA and what does it do?
BREDA is the Bihar Renewable Energy Development Agency. Under the 2025 policy, it is the nodal agency for renewable energy projects in the state, handling project facilitation and approvals. Hydropower sits with BSHPCL and pumped storage with BSPGCL.
What is Bihar's renewable energy target under the 2025 policy?
The policy targets 23,968 MW of renewable capacity by FY2029-30, comprising 21,653 MW utility-scale, 1,975 MW distributed and 340 MW off-grid, along with 6,100 MWh of energy storage.
Is pumped hydro storage planned in Bihar?
Yes. SJVN has been the state’s nodal agency for pumped storage since August 2022 and leads the 1,000 MW Hathidah Durgawati project in Kaimur district. Sun Petrochemicals has also committed to storage infrastructure and the state reports agreements covering about 2,400 MW.
Which companies are planning floating solar projects in Bihar?
Avaada Group, NTPC Green Energy and SECI have each signed agreements that include floating solar. Floating installations suit Bihar because they use water surfaces instead of competing for agricultural land.
How much renewable capacity does Bihar have today?
Bihar had 646.26 MW of installed renewable capacity on 31 January 2026, according to MNRE: 435.34 MW solar, 112.50 MW wind, 70.70 MW small hydro and 27.72 MW bio-power. The state’s peak demand is 9,475 MW.
Which technologies does the Bihar Renewable Energy Policy 2025 cover?
Solar, wind, hydro, energy storage, waste-to-energy, green hydrogen, geothermal and other technologies recognized by MNRE and BREDA. The policy covers utility-scale, distributed and off-grid segments, with a separate policy for pumped storage.
What is Avaada planning in Bihar?
Avaada Group signed a memorandum of understanding with BREDA in July 2025 for 1 GW of ground-mounted and floating solar capacity in the state, subject to feasibility studies.
