SOLAR ROOFTOP PROGRAM Sri S A Satish Kumar

SOLAR ROOFTOP PROGRAM Sri. S A Satish Kumar. B. E. M. I. E. GM. Rtd. BESCOM, Bangalore Mobile : 9743767732 E-mail: satish 1982. power @gmail. com @ ITC WINDSOR on 13/10/17.

The use of solar energy has not been opened up because the oil industry does not own the sun. Ralph Nader

Preamble • Launching of JNNSM in January 2010, opened flood gates for solar sector. • State is blessed with … 240 -300 sunny days. • Solar Radiation …. 5. 4 – 6. 2 kwh/mts/day. • Solar potential …. 20 GWp. • Moderate potential … 10 GW. • State Target ……. 3% of E. C. • Revised RPO …. . 8% of E. C.

STATE TARGETS REVISED (AS PER NATIONAL SOLAR MISSION) LAUNCHING TARGET Year 2014 -15 2015 -16 2016 -17 Year-wise target (MW) 2017 -18 Categ ory 2015 - 2016 2017 2018 2019 2020 2021 Total 16 -17 -18 -19 -20 -21 -22 Roof-top (grid connected 100 and offgrid) 100 100 Rooftop Solar 10 275 290 344 403 460 518 2300

IMPORTANT Orders by KERC/GOK 10/10/13 - Tariff orders for SRTPV plants. 22/05/14– GOK Solar policy 14 -18. 07/11/14 –Launch of SRTPV scheme in the State. 30/7/15 - Revised Tariff for MW scale solar project 2/05/16 – Revision of tariff and other norms. 19/09/16 – One time Irrevocable policy of Gross/Net Metering. • 15/12/16 – SRTPV Plants Regulations -2016. • 15/09/17– Multiple SRTPV installations in a single premises. • • •

Extract of KERC orders Sl. Date Slab 1 10/10/13 1 Kw-1 Mw. 2 Tariff Capital without With Cost. subsidy Rs. /Kw Instl. Cap. Remarks 9. 56 Upto 1 MW Net metering to all categories. 7. 56 90000/- MW scale 8. 4 8. 3 Crore Grid connected MW scale plants. 30/7/15 MW Scale 6. 51 6. 0 Crore 3 2/5/16 1 -10 kw 10 -50 kw 50 -100 kw 100 -500 kw. 500 -1000 kw 7. 08 6. 61 6. 14 5. 67 5. 2 6. 03 5. 63 5. 23 4. 83 4. 43 75000/70000/65000/60000/55000/- Gross metering to Cap of Dom. /Hospital / E. I. 150% of S. L. Net metering to other instals. 4 19/9/16 Cap of 100% of S. L One time irrevocable option of Gross/Net metering 5 12/4/17 Mw. Scale 4. 36 4. 4 Cr. Grid connected solar PV plants PPA after 1/4/17 6 15/9/17 Allow multiple SRTPV installations in a single premises.

KERC Regulation -2016 Dated 15/12/16. Allow Gross/Net Metering Arrangement. All consumers permitted to install SRTPV from 1 Kw to 1 Mw. Cap to be decided by commission from time to time. Cum. Cap. of SRTPV – shall not exceed Total Cap. of state. Time Limitation – 180 days for commission of Plant. < 50 Kwp. - Connect to existing DTC, limited to 80% of cap. >50 Kwp. – Connect to existing 11 Kv. Network, limited to 80% of rated current cap. of conductor. • Adhere to technical standards and safety. • Metering System – As per CEA Guidelines. • •

Inter Connection with distribution system Sl. no Installed cap. of SRTPV Voltage level 1 Up to 5 Kw. 230 V - S. phase 2 >5 Kw - 50 Kw. 400 V - Three phase 3 >50 Kw - 1000 Kw 11 KV HT

BESCOM JOURNERY TOWARDS SOLAR RTPV PROGRAM

STATUS as on 30/9/17 Particulars No. of SRTPV installations Capacity in MW Remarks Total no. of Applications 3356 1339. 7 - Commissioned 900 60 - Total PPA executed 1575 846. 35 -

v On-line Applications invited from all the consumers of BESCOM v SRTPV capacity is from 1 k. W to 1 MW v Applicant can select any System integrator or PV module v Mandatory use of BESCOM empaneled Grid Tied Inverter & Bi-directional meter

THE SRTPV APPLICATION FORMAT, PROCEDURES, FAQ, GUIDELINES TO CONSUMERS & BESCOM OFFICERS, OTHER RELATED FORMATS PREPARED BY BESCOM EXPERT COMMITTEE AND HOSTED IN BESCOM WEBSITE WWW. BESCOM. ORG 12

FORMATION OF TECHNICAL & PROCESS COMMITTEE EMINENT EXPERTS DRAWN FROM USAID, CPRI, GERMI, UL, TO SIMPLIFY THE PROCESS AND TO MAKE HURDLE FREE GATEWAY 13

Major decision taken in the committee are: ü Inspectorate approval exempted for SRTPV installation less than 10 k. W ü Empowered AE to Commission SRTPV installations less than 5 KWp. ü For HT installations interconnection point permitted at LT Bus Bar. ü Reduction in technical loss and saving to consumer as cost of step-up DTC and infrastructure is avoided. ü Penetration limit of SRTPV up to 80% of the Distribution Transformer capacity. 14

----- Contd. ---- • Hand holding of GOVT departments for preparation of tender documents. • Technical specifications and PQR hosted in BESCOM website as ready reckoner. • Installation of SRTPV on all BESCOM owned office buildings under IPDS Scheme. • 3 rd party investment or rent a roof concept. • SRTPV Dash Board to know solar generation.

Tender Status particulars No. of Proposed Total Remarks bldgs SRTPV Amt. Cap. in in crores kwp. Under IPDS 83 GOI funds under 400 13 th finance commission 1125 8. 44 Survey works under progress for BESCOM owned buildings. 8000 62. 00 Tendering works completed for GOVT buildings (schools, vidhana souda, MS. Bldgs. )

Empanelment of Manufacturers of: Grid tied Inverters ABB, SMA DELTA, Fronius, Studer etc Bi-directional Make : Secure & meters genus Empanlement of facilitators Mitcon, ORB, Sterling, Genus, Greenfuel etc 17

Empanelment of Hybrid Inverter : Ø With battery backup for assuring 24 * 7 hrs P/S – Studer make 18

Hybrid system : Ø Solar + small wind mill system proposed for Govt buildings Ø Combination of Hybrid & grid tied inverter for assuring uninterrupted P/S Machohalli school 19

SURYA RAITHA SOLAR PUMP - PILOT PROJECT : ü Introduced on 24. 9. 2014 for welfare of farmers. ü To harness energy from solar to run IP sets and feed in excess energy to grid. ü Assured quality power supply to farmers during day time. ü Assured additional income to farmers. ü Improvement in water table. ü Reduction in peak load, losses and energy consumption. ü Execution of TPA between BESCOM, SRTPV consumer and investor / developer.

ü Formation of SOLAR HELP DESK at Corporate office BESCOM ü In-house training to BESCOM officers 21

COMMISSIONED INSTALLATIONS BESCOM Corporate office – 50 k. W Karnataka state cricket association - 400 k. W Residential house at kengari– 5 k. W Residential house at J P nagar – 1. 8 k W

Facilitating in commissioning of 100 k. Wp SRTPV plant by TERI under HAL - CSR initiative to educations institutions;

New Innovative Technologies ü Micro inverters ü Tracking system Composite panels which generate electricity and hot water ü Pyramid / Concentrated panel ü Battery storage system 24

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