Ministry of New and Renewable Energy(Bio-Energy Technology Development Group)*****
Scheme: Biogas based Distributed / Grid Power Generation Programme
1.1 Introduction
Biogas technology provides an alternative source of energy mainly from organic wastes. It is produced when bacteria degrade organic matter in the absence of air. Biogas contains around 55-65% of methane, 30-40% of carbon dioxide and small quantities of Hydrogen, Nitrogen, Carbon Monoxide, Oxygen and Hydrogen Sulphide. The calorific value of biogas is appreciably high (around 4700 kcal or 20 MJ at around 55% methane content). The gas can effectively be utilized for generation of power through a biogas based power-generation system after dewatering and cleaning of the gas. In addition, the slurry produced in the process provides valuable organic manure for farming and sustaining the soil fertility.
The Ministry has started a scheme “Biogas based Distributed / Grid Power Generation Programme” from 2005-06 (4th January 2006) with a view to promote biogas based power generation, especially in the small capacity range, based on the availability of large quantity of animal wastes and wastes from forestry, rural based industries (agro / food processing), kitchen wastes, etc.,
1.2 Objectives
The objectives of programme are as follows:-
(i) Biogas based power units can be a reliable decentralized power generation option in the country. In order to promote this route of power generation, specifically in the small capacity range (3 kW to 250 kW), based on the availability of large quantity of animal wastes and wastes from forestry, rural based industries (agro/food processing), kitchen wastes, etc;
(ii) A number of projects of different capacities and applications will be takenup for refining the technical know-how, developing manpower and necessary infrastructure, establishing a proper arrangement of operation & maintenance and large scale dissemination.
(iii) To mitigate Climate Change by preventing black carbon and methane emissions.
1.3 Implementation strategy:
The programme would be implemented through nodal departments / agencies of the States / UTs, KVIC, institutions and NGOs. The projects to be taken up by any village level organization, institution, private entrepreneurs etc in rural areas as well as areas covered under the Remote Village Electrification (RVE) programme of MNES other than the industries and commercial establishments covered under Urban, Industrial & Commercial Applications (UICA) programmes for sale of electricity to individual / community / grid etc. on mutually agreeable terms. Installation of projects will be encouraged only if specific responsibility is taken upright from the initiation of project by the institution including for operation and maintenance for the specified period as per DPR norms or otherwise for a minimum period of ten years.
1.4 Training & Awareness Promotion
The programme provides support for a variety of workshops, seminars, meetings, training programmers to the implementing agencies/specialized organizations/Biogas Development & Training Centers (BDTCs) for developing the required specifications and standards, discussions/deliberations on the performance of systems, setting up operation and maintenance mechanism, training of required manpower, capacity building, business meets for the prospective industries, etc. with the ultimate objective of promotion of power generation based on biogas in the country.
The quantum of financial assistance to be provided by Ministry of New and Renewable
Energy (MNRE) for conducting these programmers will be decided on the basis of nature & duration of the programme, number of participants, etc. The maximum assistance, however, is limited to `1,00,000 per event.
The central financial assistance for such projects will be limited to a maximum of Rs.30000 to 40000 per kW depending upon capacity of the power generating projects in the range of 3 kW to 250 kW of different rating limited to 40% of the plant cost.
| Power generating capacity | Biogas plant capacity | Maximum support for preparation of DPR | CFA/subsidy limited to the following ceiling or 40% of the cost of the system whichever is less. | Administrative Charges to State Nodal Department / Agencies/BDTC’s for providing technical, supervision, training support and to initiate action on power purchase agreement with state electricity board/power purchasing companies and submission of project completion and monitoring report of successful operation. |
| 3-20kW | 25 M3 to 85 M3 | No DPR required | Rs. 40,000 per kW | 15% of the CFA (up to 20 kW capacity for which no assistance for DPR is provided), |
| >20kW up to 100kW | Any combination of above plants or approved alternate capacity / design | Rs. 20000 per plant | Rs. 35,000 per kW | 10% of the CFA (> 20 kW - 250 kW) |
| >100kW up to 250 kW | Any combination of above plants or approved alternate capacity / design | Rs. 1,00,000 per plant above 100 kW | Rs. 30,000 per kW |
The programme provides support for a variety of workshops, seminars, meetings, training programmes to the implementing agencies / specialized organizations / Biogas Development & Training Centres (BDTCs).
1.6 Pattern of Release of funds:
Central Financial Assistance (CFA) for projects and service charges to State Nodal organizations/implementing agencies/BDTC’s are given at Annexure-II and pattern of release of funds would be as follows:
- 50 per cent of the eligible CFA and service charges will be released to the State Nodal Department/Agency/organization/BDTC’s with the sanction order.
- The balance 50% of the eligible CFA and service charges will be released after successful commissioning of the biogas power plant as per the DPR norms (wherever DPR is required), receipt of utilization certificates, audited statement of expenditure. Project on completion, requires inspection report submitted to MNRE by an authorized agency of MNRE .The condition of successful commissioning of the plant would, inter-alia, imply generation of power with operational capacity of 10 kWh/day/kW of sanctioned capacity for 3 consecutive days.
- In case the project is set-up by the developer through his own resources, the entire eligible CFA could be released to the project developer after receipt of the successful commissioning and operational report from MNRE state Nodal departments/ Agencies, KVIC and BDTC’s along with other documents and meeting conditions as mentioned under para 4 (ii) above.
- For preparation of DPR for power projects, (wherever required) and for programmes relating to Training & Awareness Promotion, 50% of the eligible CFA will be released to implementing organizations along with the sanction order. The balance will be released on receipt of the utilization certificates, audited statement of expenditure and the final report at the time of final acceptance and settlement of the expenditure account of the project as per the approved norms.
1.7 Monitoring Mechanism
Monitoring of the Bio-gas based power projects would be done based on half yearly/annual progress reports as well as monitoring by SNA/ an authorized agency of MNRE. The project developers would extend all help required in monitoring of the projects.
1.8 Technology:
1.8.1 Components of a Biogas Based Power Generation System (BPGS)
• Biogas Plants
• Gas Cleaning System
• Engine with alternator
• Control Panel
• Machine Room / Shed
• Manure management system / protocol
1.8.2 Biogas plants
Standard KVIC floating drum model (vertical or horizontal type) would be supported. The eligible item associated with a biogas plant includes:
• Digester, gas holder and accessories
• Feed / slurry handling system (composed pits) with water supply and storage
• Initial feed
• Gas outlet
1.8.3 Gas Cleaning System
The biogas contains hydrogen disulphide gas. Concentration of hydrogen disulphide in access of 0.1 % is harmful to the engine. Hence it is necessary to remove hydrogen sulphide before the gas is taken to the engines.
1.8.4 Engine with alternator
• 100% biogas engines
• Micro-turbines
• Standard dual fuel engines preferably with bio-diesel in place of diesel.
1.8.5 Control / Monitoring Panel
BIS Standard control / monitoring panel would be supported.
1.8.6 Machine Room / Shed
A proper machine room with shed would be planned as per standard practices. The biogas generated in the digester, if necessary can be stored in a suitable storage unit or membrane type storage balloon
1.8.7 Manure management system /protocol
1.8.7.1Manure management is an integral part of a biogas based power generation system for arriving at an economically feasible operation level. Marketing strategy of the biogas slurry or the value added bio-manure is required to be defined
1.8.7.2Any new efficient system for production of biogas, cleaning of the gas and conversion of the gas to electricity, etc. can also be used subject to prior approval of the Ministry.
1.8.7.3Fixed dome / Deenbandhu and other approved models of biogas plant up to capacity of 10 – 90 cubic meter per day may also be propagated as per design dimensions and standards for the same developed at BDTC, PAU, Ludhiana, Punjab and medium and large capacity approved models of Biogas plants for digestion of cattle dung and other suitable biomass. Approval of MNRE may be sought for any new model of Biogas plant before submission of project proposal(s) under these guidelines.
1.9 Potential and Achievement
A cumulative total of 348 projects with Biogas generation capacity of 65,287 m3 and power generation capacity of 6.62MW have been sanctioned out of which 98 biogas based power generation plants have been installed in the country with power generation capacity of 0.793 MW. State-wise information on achievement vis-a-vis potential is given in Annexure-Ias per figures of 28-02-2011.
1.10 Details:
1.10.1 Eligibility criteria:
The programme is implemented through State Nodal Agencies (SNAs) with the involvement of KVIC, Institutions, Energy Service Companies (ESCOs), Co-operative, Panchayats, NGOs, manufactures or entrepreneurs etc.
1.10.2 How to avail:
The projects to be taken up by any village level organization, Panchayats, institution, private entrepreneurs, industries, etc. in rural areas other than the industries and commercial establishments covered under urban, industrial and commercial applications (UICA) programmes for sale/use of electricity to individual, community, grid etc. The proposals have to be submitted in the prescribed format to the concerned State Nodal agencies who in turn would forward to the Ministry with their recommendations for seeking Central Financial Assistance (CFA) under the scheme.
Contact Person:
Shri Dr. A.R. Shukla, Advisor (Telefax: 91-11-24361604, E-mail: shuklaar[at]nic[dot]in)Shri A.Haribhaskaran, Scientist ‘B’ (E-mail: hari[dot]a[at]nic[dot]in)
Annexure-I
State-wise Biogas Based Distributed/ Grid Power Generation Projects installed since inception till 31-03-2011
| Sl. No. | Name of the State | Installed | Under installation | Grand Total | ||||||
| Nos. | M3 | KW | Nos. | M3 | KW | Nos. | M3 | KW | ||
| 1. | Andhra Pradesh | 15 | 1540 | 149 | 49 | 5595 | 647 | 64 | 7135 | 796 |
| 2. | Bihar | -- | -- | -- | 2 | 50 | 6 | 2 | 50 | 6 |
| 3. | Goa | -- | -- | -- | 15 | 1500 | 180 | 15 | 1500 | 180 |
| 4. | Gujarat | 1 | 200 | 12.75 | 30 | 2550 | 300 | 31 | 2750 | 312.75 |
| 5. | Haryana | -- | -- | -- | 1 | 2200 | 115 | 1 | 2200 | 115 |
| 6. | Himachal Pradesh | -- | -- | -- | 1 | 180 | 15 | 1 | 180 | 15 |
| 7. | Karnataka | 5 | 590 | 66.00 | 36 | 6575 | 695 | 41 | 7165 | 761 |
| 8. | Maharashtra | 16 | 720 | 74.5 | 35 | 5420 | 563 | 51 | 6140 | 637.5 |
| 9. | Punjab | 5 | 625 | 72.5 | 19 | 1645 | 181.5 | 24 | 2270 | 254 |
| 10. | Rajasthan | -- | -- | -- | 7 | 455 | 50.5 | 7 | 455 | 50.5 |
| 11. | Tamil Nadu | 10 | 1305 | 154 | 42 | 30755 | 2934 | 52 | 32060 | 3088 |
| 12. | Tripura | -- | -- | -- | 1 | 32 | 3 | 1 | 32 | 3 |
| 13. | Uttarakhand | 3 | 205 | 21 | 3 | 180 | 22 | 6 | 385 | 43 |
| 14. | Uttar Pradesh | -- | -- | -- | 8 | 960 | 109 | 8 | 960 | 109 |
| 15. | Madhya Pradesh | 1 | 350 | 25.00 | 1 | 35 | 3 | 2 | 385 | 28 |
| 16. | Chhattisgarh | 1 | 170 | 45.00 | -- | -- | -- | 1 | 170 | 45 |
| 17. | Kerala | 40 | 1110 | 113.50 | -- | -- | -- | 40 | 1110 | 113.5 |
| 18. | West Bengal | 1 | 340 | 60.00 | -- | -- | -- | 1 | 340 | 60 |
| Total | 98 | 7155 | 793.25 | 250 | 58132 | 5824 | 348 | 65287 | 6617.25 | |
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