Solar pumps and solar irrigation are not new to India as the first program to install solar pumps started close to three decades back in 1993 by MNRE (Rathore, P.K.S, Das, & Chauhan). In 2010-11, Jawaharlal Nehru National Solar Mission (JNNSM) was launched in the country as global awareness and action around climate change strengthened. In the first phase of JNNSM, grid-connected power plants remained the focal point but in phase two, there was significant focus on developing decentralised solar energy capacity.
Solar pumps, however, remained in the off-grid space, though the focus of JNNSM largely remained on the grid-connected capacity. But as solar pumps evolved, owing to increased affordability and improved technology, they gained a larger footprint in JNNSM, especially since 2014-15, when a dedicated scheme to promote solar pumps for drinking water and irrigation was started. It also promoted integration efforts of various agricultural schemes/policies to enhance agriculture activities' performance.
During the 2018-19 union budget, the finance minister announced Pradhan Mantri Kisan Urja Surakhahsa evam Uttahan Mahabhiyan (PM-KUSUM). Until then, solar rooftop was the only way of adding decentralised grid-connected solar power, but with PM-KUSUM, the idea of grid-connected solar pumps was also put forward. The scheme has three components:
Component A: Setting up 10,000 MW of decentralized ground/stilt mounted grid-connected solar power plants;
Component B: Installation of 17.50 lakh stand-alone solar agriculture pumps;
Component C: Solarisation of 10 lakh grid-connected agriculture pumps.
The scheme intends to replace diesel and electric pumps with solar pumps in component B and C. Farmers will contribute 40 percent through a mix of equity (10 percent) and loan (30 percent) to acquire the pump and the rest of the capital will be contributed through subsidy by state and central government (30 percent each).
In states like Punjab and Haryana, which are fully irrigated with electric pumps and consequently have higher subsidy burden owing to subsidised electricity supply for irrigation, solarisation of electric pumps under component C of the scheme, may reduce the future subsidies. On the other hand, the eastern region comprising of Bihar, Odhisa, Assam, having largely expensive dieselised irrigation, will get a boost in irrigation expansion with solar pumps. The sync between demand and supply of irrigation and solar energy makes solar irrigation an attractive option for farmers as they can get assured 6-8 hours of uninterrupted electricity. Micro-irrigation such as drip and sprinkler are also being promoted along with solar pumps to improve water use efficiency in few states especially facing water scarcity such as Rajasthan and Punjab.
Despite many challenges, solar pumping deployment has increased significantly in India in the past few years, primarily driven by government schemes and subsidies. The central and state government schemes have focused on providing innovative financial incentives to attract farmers. Post 2016, the pace of the state-specific policy/scheme announcement picked up. Almost every state except West Bengal got its state-level solar pump scheme in the last five years. In West Bengal, solar pumps are a sub-component under the West Bengal Accelerated Development of Minor Irrigation Project.
Most of the implementing agencies for the solar pump schemes are state-level Renewable Energy Departments working jointly with the Agriculture and Horticulture Departments. However, individual states like Madhya Pradesh and Uttar Pradesh, Department of Horticulture and Agriculture are solely responsible for implementing the scheme.
MNRE monitors PM-KUSUM scheme's functionality while concocting linkage among SNAs, DISCOMs and other departments (see Grain Mart article). The implementing agency for Component A and C, are State Renewable Energy Department and DISCOMs. For Component B, the Agriculture and Horticulture Department would serve a particular state like Rajasthan, Uttar Pradesh and Himachal Pradesh.
Solar irrigation policies in India (state-wise)
S.No |
State |
Ministry/Lead Department |
Policy/Scheme Name |
Link |
Date of Issue |
1 |
Rajasthan |
Directorate of Horticulture |
Hi-tech Technology/For Agriculture Solar Powered Pump Scheme |
2018 |
|
2 |
Andhra Pradesh |
New & Renewable Energy Development Corporation of Andhra Pradesh |
Andhra Pradesh Solar P V Water Pumping Programme |
2014 |
|
3 |
Bihar |
Bihar Renewable Energy Development Agency |
Bihar Saur Pump Yojana |
2015 |
|
Bihar Saur Kranti & Sinchai Yojna |
2012 |
||||
4 |
Chhattisgarh |
Chhattisgarh Renewable Energy Development |
Saur Sujala Yojana Scheme |
||
5 |
Gujarat |
Gujarat Urja Vikas Nigam Limited |
Suryashakti Kisan Yojana |
2018 |
|
6 |
Haryana |
Haryana Department of Renewable Energy |
Solar Water Pumping Scheme |
2016 |
|
7 |
Himachal Pradesh |
Directorate of Agriculture |
Saur Sinchaee Yojana |
2018 |
|
8 |
Jharkhand |
Jharkhand Renewable Energy Development Agency |
Solar water Pumping Scheme Programme |
2016 |
|
9 |
Karnataka |
Karnataka Renewable Energy Development Agency |
Surya Raitha Scheme |
2014 |
|
10 |
Madhya Pradesh |
Department of Horticulture |
Mukhyamantri Solar Pump Yojana |
||
11 |
Maharashtra |
Maharashtra State Electricity Distribution Company Limited |
Mukhyamantri Solar Pump Yojana Maharashtra |
||
Maharashtra Energy Development Agency (MEDA) |
Atal Solar Krushi Yojana-2 |
||||
12 |
Orissa |
Odisha Renewable Energy Development Agency |
Soura Jalanidhi |
2018 |
|
15 |
Uttar Pradesh |
Agriculture Department and UP NEDA |
Uttar Pradesh Solar Pump Yojana |
2016 |
|
16 |
West Bengal |
Water Resource Investigation and Development Department |
West Bengal Accelerated Development of Minor Irrigation Project |
In 2012, Bihar Saur Kranti and Sinchai Yojana were operationalised. Thereafter, from 2014-2018, many states like Andhra Pradesh, Karnataka, Chhattisgarh, Odisha and Himachal Pradesh came up with respective state-level solar pump policies to accelerate the adoption of solar energy for irrigation. However, from 2018 onwards, most states except a few like West Bengal are accommodating all the existing solar pump schemes in different PM-KUSUM components.
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The International Water Management Institute (IWMI) is a non-profit international water management research organisation under the CGIAR with its headquarters in Colombo, Sri Lanka, and offices across Africa and Asia. Research at the Institute focuses on improving how water and land resources are managed, with the aim of underpinning food security and reducing poverty while safeguarding the environment.