Presenter: G Prasad

1. MINI/MICRO GRID FOR RURAL AREAS
POLICIES, FRAMEWORK, ISSUES &
CHALLENGES
Ministry of New and Renewable Energy
Government of India
21st July 2016

2. Electrification
Status
As per census 2011
Percentage Share of
Households Having Electricity
as Main Source of Lighting
30.00 and Below
30.01-50.00
50.01-70.00
70.01-80.00
90.01 and above

3. Through Grid
• Strengthening of Distribution Network
– Deen Dayal Upadhyaya Gram Jyoti Yojana (DDUGJY)
• Grid Connected Renewable Power
Through Off Grid (Renewable Energy)
• Decentralized Distributed Generation (under DDUGJY)
• Remote Village Electrification Programme
• Off-Grid / Decentralized Solar PV Programme
• Biomass Gasifier based Distributed / Off-grid power programme for
Rural Areas.
• Water Mills and Micro Hydel Projects
• Programme on Small Wind Energy and Hybrid Systems

4. Other Initiative
24x7 Power For All (PFA)
• 24 x 7 power supply to
– all households/homes,
– industrial & commercial consumers
– adequate supply of power to Agricultural consumers
• States Taken up
Arunachal Pradesh, Assam, Bihar, Goa, Jharkhand,
Meghalaya, Telangana, Uttarakhand, and Uttar
Pradesh
• Ministry will support the RE component of 24X7
PFA

6. •eneration
OptionsforRuralElectrifications • Extension of grid line
• Diesel genset
• Kerosene lamps
•Individual Solar lighting systems
•Micro/ Mini SPV grid
•Biomass gasifier grid
•Biogas for electricity generation
•Wind battery chargers system
•Solar Wind Hybrid system
•Micro/ Mini hydro system

7. Off Grid / Decentralized Solar PV
Programme
Need
• lighting, electricity and Water Pumping
Target Category
• Individuals
• Institutions
• Villages/ communities
• Commercial and industrial establishments
Replacement
• kerosene, diesel, electricity and other fuels wherever
possible
Special thrust on Rural Areas

8. Off Grid Off-Grid / Decentralized Solar
PV Programme
CFA
Pattern
• 30% capital subsidy to
end-users
• 90% for special category
States for defined
category.
• 40% through banks
coupled with Loan
Implementing
Agencies
• State Nodal Agencies
• NABARD and other banks
• Channel Partners
• Other Government
Institutions

9. WHY MINI GRID?
• Government can meet its objective of
electricity to all
Stake Holder Benefit
Government Solution to provide Electricity Access to
all
Service provider A profitable service model and
Government financial support
Community Energy access , Income generating
activities, employment, Safety during
night
Women
&Children
Clean and bright source of light for study
and cooking
Telecom Tower and
other Anchor load
Diesel Saving and no dependency on
Diesel

10. Benefits of Micro/Mini-Grid in a Village
• Just one central system to install, maintain and
repair.
• Maintained by a few trained persons.
• More efficient and easier to expand a micro/ mini-grid
system in future.
• Profitable for running productive applications like
pump, floor mill, computers so that villagers can
earn income.

11. Central Financial Assistance (CFA)
(Rs/Wp) for minigrids
Rs per Wp
Sn
o.
SPV System Capacity General
Category
States
NE States,
A&N,
Lakshadweep
Islands
Special Category
States
Channel
Partners
1. Micro
Grid
Up to 10
kWp
Rs. 105 Rs. 115 Rs. 105 Rs. 100
2. Mini
Grid
>10 to
500 kWp
Rs. 90 Rs. 99 Rs. 90 Rs. 85

12. 1. Micro/ Mini Grid Solar PV System shall consist of the following:
 Solar PV Panel of specified capacity with suitable mounting structure
 Power Conditioning Unit (PCU) with suitable capacity of Charge Controller and
Inverter as required
 Battery Bank (Minimum Capacity @9.6 VAH / Wp) with suitable Battery Racks
 Junction Boxes, D.C.D.B. / A.C. D. B. and Cables as per site requirement
 Poles, ACSR conductor/ armored cable as per site requirement
 Luminaires (Minimum two numbers per house hold)
 Individual Meters (if required)
 Lightening Arrestor and Earthing as required
 Control Room/ Battery Room
 Five years warranty
2. All components and sub systems of the plant should conform to the “Minimal
Technical Requirements / Standards” specified by MNRE, for SPV systems / plants.
3. Part of the energy generated by the PV System may be utilized to power some
commercial / other loads; however, minimum 30 % of Total PV Capacity should be
utilized for domestic load.
Conditions for availing CFA

13. Some Examples Of MINI/MICRO Grid
225 Wp SPV Micro Grid SPV system in SUNDARBANS
• Solar PV roof top AC mini-grid
• No. Of Households 7- 10
• Diameter ~100 metres
• No. Of light points per house - 3 LED bulbs of
2W each
• No. Of cell phone charging points per house - 1
• No. Of hours of lighting per day - 5
• Autonomy - 2 Days

15. Solar PV roof top AC micro-grid of 500-Wp
• Diameter ~ 200 metres
• No. of light points per shop 2 LED bulbs of 5W
each/one 10 W LED is used depending on shop
profile
• Battery Capacity - 200AH 12 V
• Inverter Capacity - 600 VA
• No. Of hours of lighting per day - 4.5
• Autonomy - 1.2 Days

16. 200
METERS
Tea Shop
Cloth Store
Musical
Store
Juice Store
Grocery
Barber Shop
Cloth Store
Cloth Store
Grocery
Tea Shop
Hardware
Store
Tailor
Meat store
Fish store
Casual
Hawkers
Battery and
Inverter
Fish Store
Meat Store
Tailor
Swear Meat
Store
Casual
Hawkers
Casual
Hawkers

17. Some of the reported advantages of the micro/ mini
grid SPV System
Clean and reliable lighting at affordable costs
Increases productive time, positive health impacts and
education benefits for the children.
The household can select the number of light points based on
their present paying capacity and their lighting requirements.
It is an AC system can be upgraded easily as per the need and
payment capacity of the people.
Savings accrued from non-usage of kerosene for domestic
lighting is used to repay the bank loan

18. Some Photographs of
recent Micro grid installed

21. Components and
Financial Requirement
for a Mini Grid serving
100 Households
One Example

22. A typical Centralised SPV Power plant for 100
house holds in a village
S. NO. DESCRIPTION QTY.
1 SOLAR PHOTOVOLTAIC (SPV) POWER PLANT 60 kWp
2 BATTERY BANK 240 VOLT 1000 Ahr (120 nos. of 2 Volt 1000 Ahr VRLA Cells each) one
3 3 NOS. OF 5 WATT Each LIGHT EMITTING DIODE (LED) LAMP FOR EACH HOME 100 nos.
4 ONE FAN OF 20 WATT FOR EACH HOME 100 nos.
5 A COLOUR TELEVISION OF 20 WATT 100 nos.
6 A MOBILE CHARGER 100 nos.
7 SOLAR STREET LIGHTING SYSTEM 20 nos.
8 A COMPUTER WITH PRINTER AND 8 NOS. OF LIGHTS OF 12 WATTS EACH IN SCHOOL 1 no.
9 ONE VACCINE REFRIGERATOR (500WHRS./DAY) AND 4 NOS. OF LIGHT POINTS, EACH 12
WATTS
1 no.
10 COMMUNITY HALL 4 FANS OF 20 WATT EACH AND EIGHT LIGHTS OF 5 WATT EACH 1 no.
11 FOR CHURCH/ MOSQUE/ TEMPLE/ PLACE OF WORSHIP ONE PUBLIC ADDRESS SYSTEM
(200 WHRS/DAY), 4 NOS. OF LED LIGHT POINTS of EACH 5 WATTS AND 4 NOS. OF FANS
OF 20 WATT EACH
1 no.
12 SPV PUMING SYSTEM OF 3000 WATT 1 no.

23. Cost of a 100 house hold centrliased SPV Power Plant
Sl.
No.
Description of the System Unit Price
(Rs.)
Quantity
(Nos.)
Total Price
(Rs.)
1. 60 kWp Solar Photovoltaic Power Plant 4,000,000/- 01 4,000,000.00
2. Battery Bank 240 Volt 1000 Ahr 4,000,000/- 20 4,000,000.00
3. Charge Controller, Inverter and Power Conditioning Unit 2,000,000/- 01 2,000,000.00
4. Structure, DC and AC Cables, Junction Boxes, nuts, bolts,
lightning arrestor, etc
2,000,000/- 01 2,000,000.00
5. 5 Watt LED Lights for homes and 12 Watt LED lights for
Street lights and schools
200/- 400 80,000.00
6. 25 Watt Fans 1,000/- 120 120,000.00
7. 20 Watt Colour Television sets 12,000/- 100 1,200,000.00
8. 20 Watt Refrigerator 10,000 01 10,000.00
9. Spares 500,000/- 1 Set 500,000.00
10. Packing, Forwarding, Freight, Insurance 1,000,000/- L.S. 1,000,000.00
11. Site Survey, 2,00,000/- L.S. 200,000.00
12. Training, Installation & Commissioning 5,00,000/- L.S. 1,000,000.00
13 Civil works, erection commissioning etc L.S. 2,000,000.00
Total 18,110,000.00

25. ISSUES AND CHALLENGES
• Paying Capacity
• Free Power through Grid.
• No guidelines for co-existing with the grid, and
exit options.
• No clear guidelines grid integration/compatibility.
• Tariff/ Right of Way

26. DRAFT FRAMEWORK FOR PREPARING ROLES FOR MINI/MICRO GRIDS
A Committee constituted to draft framework with Shakti Foundation, CLEAN & Centre
of Science & Environments as Members.
Draft was prepared focusing the following
* Alternate private mini grid models for providing affordable services(while covering costs
of investors).
*Streamlining project site identification and project development.
* Operational frameworks for co-existing with the grid, and exit options.
*Technical issues and framework for grid integration/compatibility.
* Central financial assistance and other incentives.
* Role of various institutions such as SNA, CEA, CERC etc. to support the mini grid.

27. Progress under Policy
• Draft of National Policy listed on 1st June 2016
• Stakeholder feedback by 20th June 2016
• 33 individuals/organizations both national and
international provided comments
• Public consultation meeting on 18th July 2016

28. Major Comments received on
• Scope of Policy
• Mini grid nomenclature
• System Configuration
• Tariff and Revenues
• Role of SNA and Panchayat
• Performance and Tech Standards
• Exit Options
• Subsidy
• Others
Draft is now under Finalization stage

29. Thanks