Tamilnadu Energy Development

Agency

2

Sl.No

.

Source Tamil Nadu (MW)

1 Wind Power 7135.07

2 Biomass power 177.40

3 Bagasse cogeneration 659.40

4 Solar Power 17.00

Total 7986.47

Renewable Energy Installations in TN

As on 31.12.2012

Solar Energy Policy

0

500

1000

1500

2000

2500

3000

(2013-2015) 2013 2014 2015 Total (By2015)

Capacity addition Targeted (MW)

3

PHASE

(2013-2015)

Target

(MW)

2013 1000

2014 1000

2015 1000

Total (By 2015) 3000

MW

Vision of developing Tamil Nadu as a world leader in solar

energy by establishing 3000 MW by 2015

TN Solar Energy Policy

To Generate 3000 MW of Solar Energy by 2015

6% Solar Purchase Obligation for HT Consumers and LT Commercial Consumers

Generation Based Incentive for Domestic Solar Roof Tops being installed before March 2014

All new Government Buildings to necessarily install rooftops.

All existing Government buildings, all Street lights and water supply to be on solar in phases

Net Metering facility to promote Solar rooftops

Green Houses with Solar

Powered Lights

Green Houses with Solar

Powered Lights

Chief Minister’s Solar Powered Green Houses 3,00,000 Houses in Five Years

100 W system (Solar Panel + Battery + Inverter)

5 CFL’s / LED lamps for the house

(Hall-1 Bedroom-1 Kitchen-1 Toilet-1 Verandah-1)

5 Hours solar battery back up.

Grid Backed Intelligent Hybrid Inverter which draws from

the grid, only when solar is insufficient & only during 10

am - 6 pm.

TEDA is the Implementing Agency.

Designing, Tendering, Monitoring

Call center for complaints management

Training Officials & Beneficiaries on Usage &

Maintenance of the systems.

ERP for Monitoring Implementation

Technical Specification

Component Specification

PV Module Crystalline- not less than 100 Wp under STC

Lamps 5 Nos CFLs (9W )

Battery bank

not less than 12V / 24V, 80 AH / 40 AH, solar

grade LMLA/VRLA Battery

Inverter 12V/24V , 100 VA

Other

Components

Control electronics, Module mounting

hardware, Battery box, Inter- connecting

wires/cables, Switches.

Operation and Maintenance Manual

DUTY CYCLE Average hours of Operation per Day- 5 Lights, 5 Hours

8

Solar Module

Battery with Inverter

Energising Street lights with Solar Energy

1,00,000 Street lights in FIVE Years

Existing 40 W tubelights & filament lamps are replaced by

20W LED lights

Auto Dimming to 6W from 10.00 pm to 5.00 am

Centralised 500 W Solar Plant (Panel + Inverter +Battery)

energising a cluster of 10 street lights

Grid backed Intelligent Hybrid Inverter which draws from

the grid only when solar is insufficient & only during

10 am - 6 pm

Remote Monitoring Unit

CATEGORY I

• Existing clusters of 10 /15 Street Lights with tubelights/bulbs will

be replaced by 20W LEDs & will be energized by a 500 / 600 Wp

Central SPV power plant.

• 9500 plants to energise 95,000 lights.

• Grid back up for reliable supply during low solar insolation period.

CATEGORY II

Erection of 5000 Stand alone SPV street lights with 20 W LEDs

at scattered grid inaccessible locations.

12

Energising Street lights through Solar Power

TECHNICAL SPECIFICATION – Central Plant

a. PV Modules Technology : Mono Crystalline / Poly Crystalline (or) Thin Film Array Capacity : Min 500 Wp b. Central Battery Bank

Voltage : 48 V /24 V Capacity rating : 75 Ah / 150 Ah Tubular / VRLA c. Central Battery Charger

Intelligent Charging giving priority for PV and Charging from AC mains

only during off peak hours in the absence of PV power . d. Central Stand-alone Inverter

48V/24V,600 VA Inverter with > 85% efficiency

13

TECHNICAL SPECIFICATION Cont…

e. LED Lighting Units with Luminaires & Diffuser

• 10 Nos each 20 W LED Lighting units (including LED Driver power

loss, not exceeding 2 W)

• Auto dimming to 1/3 rd brightness (6W) from 10pm-5am.

• Auto switch on at dawn and switch off at dusk.

f. Remote Monitoring Unit

To monitor PV Plant voltage, current and power, AC Mains Voltage, Battery

Voltage, Battery charging current, Battery discharging current and Inverter

load current at programmable time intervals from a Remote Central place

(TEDA Office).

14

Solar Powered Street Lights

Highlights of CMSPGHS

Grid Backed Intelligent Hybrid Inverter which

draws from the grid, only when solar is

insufficient & only.

LED Lighting Units with Luminaires & Diffuser

10 Nos each 20 W LED Lighting units

(including LED Driver power loss, not

exceeding 2 W)

Solar Powered Irrigation Pumps

• 4800 wp solar

powered pumps for

agriculture

• 20 % beneficiary

Contribution

• Initially in Paddy

growing areas

• Procurement by

state govt with 5

year maintenance

17

Roof Top Solar PV in Government

Buildings

• Mandatory for new

building

• Existing Buildings in

a phased manner

• Hostels –Already

order issued

• 25 MW by transport

department in bus

depots

18

19