20131127 ICORE presentation Final

Report
ICORE 2013
DISTRIBUTED GENERATION
SUCCESSFUL IMPLEMENTATION OF GRID-CONNECTED
ROOFTOP PV PROGRAMMES
27 November 2013
Outline
 Introduction
 Critical Aspects for Successful Implementation
 Programme Structure for G’nagar rooftop
o
o
o
Govt. Roles
Transaction Structure
Financial Structure
 Outlook of Rooftop Policy of Gujarat
 Key Learning of 5 MW Gandhinagar PV Rooftop
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Success of Grid Connected Rooftop PV
Programme
Technical Configuration
Implementation
Long-Term Operation
Commercial Viability
Eventual Scalability
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Typical PV System Architecture
Photovoltaic Modules
(Approx. 1 – 100 kWP)
Grid-tied
inverter
Meter 2: Solar Electricity
Generation
Meter 1: Conventional
Electricity Consumption
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Transformer
Grid
4
Advantages of PV System Architecture
 Relatively simple to install, operate and maintain.
 Most popular and globally accepted configuration.
 Disadvantage: No availability when grid is down.
Photovoltaic Modules
(Approx. 1 – 100 kWP)
Grid-tied
inverter
Meter 2: Solar Electricity
Generation
Meter 1: Conventional
Electricity Consumption
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Transformer
Grid
5
Model II Net Metering
 Relatively simple to install, operate and maintain.
 Net Electricity consumed will be charged.
 Issue of Non availability of grid is addressed
Photovoltaic Modules
(Approx. 1 – 100 kWP)
Grid-tied
inverter
Meter 1: Bi-directional
Meter
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Transformer
Grid
6
Gandhinagar Photovoltaic Rooftop Programme
 The Gandhinagar Photovoltaic Rooftop Programme
(the “Programme”) marks the first distributed power
generation programme in India in its true sense.

 True Public Private Partnership, brings together…
o
o
Government
Home owners
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o
o
Developers
Utility
o
o
Regulators
R&D
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Aim of Programme
 Gandhinagar Photovoltaic Rooftop Programme aims for…
o
o
o
o
o
net 5 megawatt of photovoltaic installations…
in distributed kilowatt-sized photovoltaic systems…
through a PPP mode…
to promote clean energy and energy security...
as a part of the Gandhinagar Solar City Initiative.
 Greater outcome of this pilot Programme:
o
o
o
Establish a practice/ philosophy of distributed solar and other
energy generation.
Bring a level of comfort to all stakeholders for further scale-up.
Encourage public participation.
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Transaction Structure among Stakeholders
GoG/ EPD
GEDA
IFC & Consultants
(Project Proponent)
(Nodal Agency)
(Transaction Str. Advisor)
G.R.
Funding
GERMI
GoG
(Implementing Agency)
(Project Str., Bid Process)
(For Govt. Approval)
Selection
through
RFP
GERC
(For Regulatory Approval)
2 MW Govt. Rooftops
0.5 MW Private Rooftops
2 MW Govt. Rooftops
0.5 MW Private Rooftops
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Green
Incentive
2.5 MW
2.5 MW
Screening &
Selection
Approvals
GPCL
Azure Sun Energy
(Capacity: 2.5 MW)
PPA, based on GERC
solar tariff
SPV by SunEdison
Torrent Power Ltd.
(Capacity: 2.5 MW)
(Off-taker)
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Financial Transaction Model
Torrent Power Ltd.
PPA
(Off-taker)
Power Purchase Agreement
based on GERC solar tariff of
Rs. 12.44 /kWh (w/o AD: Rs. 11.14 /kWh)
2x
Project Developer
PIA
(Capacity: 2.5 MW ea.)
‘Green Incentive’ Agreement
Generation-based, minimum
Rs. 3 per kWh
Project Implementation Agreement
for ‘Viability’ tariff funding
Private Rooftops: 1 MW
Govt. Rooftops: 4 MW
-
R&B
Education
Legal
Forest & Environment
Industries & Mines
Agriculture
Health & Family Welfare
Vigilance
Collectorate
Revenue
(Can be replaced by
Commercial Rooftops/
Terraces)
GPCL
(Implementing Agency)
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Implementation Process at G’nagar
PV Capacity allotted to the Developers
Developer Submits the
Plant Drawing
A= Day 0
1.GERMI approves Drawing
2. Once approved by GERMI
CEI also approves it
Developer Starts
Installation
Completes PV DC
Installation
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Regular Inspections are
done at the site
B=A+3 days
C= B + 20 days( for 70 kw PV
system)
1.GERMI Inspects and give
Installation Certificate
2. CEI simultaneously
inspects and give Certificate
Distributed Generation- ICORE 2013; 27 Nov. 2013
D= C + Within 2 Days
11
Implementation Process at G’nagar
Submits Certificates to
DisCom
DisCom installs meter and
connects the Plant to the
Grid.
Ask GERMI/CEI for
Commissioning Test
GERMI & CEI Performs
Commissioning Test
GERMI & CEI Provides
Commissioning
Certificate
Submits it to DisCom and
PV Plant becomes Live
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Within 2 Days
Within 2 Days
Start Paying Tariff to
Developer
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Consolidated Status as on 07 Nov, 2013
Sr. Status
1
Commissioned
2
Installed
TOTAL
Azure
SunEdison
TOTAL
2,200.00 kW
1599.77 kW
3,799.77 kW
000.00 kW
237.00 kW
237.87 kW
2,200.00 kW
1,830.77 kW
4,030 kW
Total Energy Generated Till 23 July 2013 : 4,37,000 Green Units
Installations on Private Residential Premises
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Installations under 5 MW Gandhinagar Programme
264.04 kW @ Jivraj Mehta Bhavan Nos. 1, 2 and 4, Sector 10-b
60.48 kW @ Lokayukta,
Sector 10
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80.61 kW @ Govt. Arts College,
Sector 15
80.61 kW @ Govt. Arts College,
Sector 20
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PV Installation on J.M. Bhavan
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PV Installation on J.M. Bhavan (2)
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Green Incentive: Aid to Roof-owners
 ‘Green Incentive’ is the minimum generation-based incentive for
participating Roof-owners specified by GoG.
 Advantages:
o
o
o
Encourage awareness and participation among roof-owners.
Will be correlated to home-owner’s electricity bill.
Should not be compared to ‘constant’ (or ‘dead’) lease rental.
Plot Size
(Sq. m.)
Built-up
Area
(60%)
Typical
Solar Area
(30%)
Typical PV
Capacity
(kW)
Monthly
Generation
(kWh)
50
30
9
1
135
70
81
90
135
200
250
330
42
48.6
54
81
120
150
198
12.6
14.58
16.2
24.3
36
45
59.4
1.5
2
3
4
6
7
8
202.5
270
405
540
810
945
1080
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Green Incentive (Rs.)
@ Rs. 2/
kWh
@ Rs. 3/
kWh
@ Rs. 4/
kWh
270
405
540
810
1080
1620
1890
2160
405
607.5
810
1215
1620
2430
2835
3240
540
810
1080
1620
2160
3240
3780
4320
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Future Outlook
 New Cities – 5-10 MW each:
o
o
o
o
o
Bhavnagar
Mehsana
Rajkot
Surat
Vadodara
The Gandhinagar Solar Rooftop Programme
is selected as on of the
TOP 10 DEALS OF ASIA-PACIFIC
by Infrastructure Journal.
 Incorporation of Rooftop Photovoltaics at Policy and
Regulatory Level.
 Explore different implementation models:
o
o
Feed-in or net metering?
Third party/ Developer driven or private ownership?
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Learning of Critical Aspects
 How appealing is the Green Incentive?
o
What is the value of my roof?
 How appealing is the Third-Party Model?
o
o
Am I willing to sign a 25-year lease agreement?
Why can’t I get the full benefit of my PV system?
 Interdependency of Contracts and Financial Closure:
o
Lease Agreement  PIA  PPA.
 Implementation:
o
Coordination between Statutory Bodies, Regulator, Chief
Electrical Inspector, DisCom, Building Owners/ Govt.
Departments, Developer, Financer, Project Management, Social.
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Evolution & Implementation of Rooftop Solar PV
Installations for Gujarat
 Model I: Capital cost borne by the Government
o
Advantage:
• Ease of implementation, and widely implemented.
o
Disadvantage:
• Ownership issues, and hence, maintenance suffers.
o
Example: Most rooftop solar installations by various governments
throughout India (including GEDA).
 Model II: Public Private Partnership
o
o
Example: 5 MW Gandhinagar Rooftop Solar Programme.
Advantage:
•
•
•
•
o
Generation-based incentive ensures long-term utilization.
Government interaction with limited number of credible Developers.
Standard quality and optimization of PV installations.
No upfront cost to Government/ Utility.
Disadvantage:
• Property owners unwilling to sign long-term lease agreements.
• Incentives from solar generation not enough compared to real-estate lease.
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Model III: Individual Ownership
(Proposed in Current Rooftop Solar Policy)
 Advantage:
o
o
o
o
o
o
Equal opportunity to smaller rooftop owners.
Ownership of individual is well-defined.
Investors reap the direct benefit of electricity and
also become energy aware/ efficient.
Investment yields definite returns.
Potential for widespread public deployment.
Successful model globally.
 Challenge:
o
o
o
Investment expected from someone who does not
understand technology.
Capital subsidies required to incentivize participation
(under net-metering scheme).
Direct dealing of DisComs directly with Customers.
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Policy Implementation: Preparatory Phase
 DisComs: Obvious focal agency
o
o
Specify standards of interconnection and Net-Meter.
Set up internal process viz. accepting applications for interconnection, PV system
commissioning, regulatory compliance, billing.
 State Nodal Agency: GEDA
o
o
o
o
Empanelment of Channel Partners/ Installers.
Avail necessary funds from State Dept., Central Ministries.
Act as a single-window for disbursing subsidies.
Publicize and monitor overall progress.
 Channel Partners/ Installers
o
o
Link between System Owners and DisCom/ GEDA for administrative procedures.
Comply with relevant guidelines of safety, standard, performance outlined by DisCom, GEDA,
MNRE, GERC, CEA, etc.
 Eligible Entities/ System Owners
o
o
o
o
o
Only employ Channel Partners/ Installers empanelled by GEDA.
Apply for interconnection of rooftop PV system.
Comply with any other approvals/ clearances required from time to time.
Shall be final beneficiaries of subsidies.
Shall own and be responsible for operation of PV systems.
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Policy Implementation: Preparatory Phase
Rooftop Solar Policy is Launched.
GEDA Empanels Channel
Partners/ Installers.
DisComs set up standards for
Net-Metering.
GEDA Educates Channel
Partners with compliance
requirements.
DisComs set up internal
processes for:
1. Accepting and
scrutinizing customer
applications, and
2. Commissioning PV
systems.
GEDA publically promotes
Rooftop Solar
Policy/Programme
Channel Partners commence
their own marketing.
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Policy Implementation:
Implementation Phase
Eligible Entity contacts
Channel Partner.
Channel Partners undertakes feasibility of installation.
GEDA approves:
1. Subsidy subject to fund
availability, and
2. PV System capacity
subject to DisCom’s and
CEI’s clearance.
Eligible Entity, via Channel
Partner, applies to GEDA
for subsidy.
Channel Partner installs
rooftop PV system.
Eligible Entity, via Channel
Partner, applies to DisCom
for interconnection.
System Owner owns and
operates the PV system.
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CEI’s Approves:
1. Capacity of installations
DisCom:
1. Verifies installation, and
2. Installs Net-Meter to
commission the system.
DisCom bills System Owner
based on net consumption.
Distributed Generation- ICORE 2013; 27 Nov. 2013
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A Unit of Energy SAVED=
2 Units of Energy GENERATED
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ICORE 2013
DISTRIBUTED GENERATION
SUCCESSFUL IMPLEMENTATION OF GRID-CONNECTED
ROOFTOP PV PROGRAMMES
27 November 2013
Backup Slides…
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ICORE 2013; 27 Nov.
Distributed Generation- ICORE 2013; 27 Nov. 2013
27
Successful Developers
 L1: Azure Sun Energy Pvt. Ltd. (“Azure”)
 L2: Ananth Solar Power Maharashtra Pvt. Ltd. (“SunEdison”)
o
A subsidiary of SunEdison Energy India Pvt. Ltd.
Azure
SunEdison
Quoted Tariff:
Rs. 11.21 /kWh
Rs. 11.793 /kWh
GERC Relevant Tariff:
Rs. 11.14 /kWh
Rs. 12.44 /kWh
Torrent pays:
Rs. 11.21 /kWh
Rs. 11.793 /kWh
GoG-PIA (GPCL) Pays:
Rs. 0.07 /kWh
---
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ICORE 2013
DISTRIBUTED GENERATION
SUCCESSFUL IMPLEMENTATION OF GRID-CONNECTED
ROOFTOP PV PROGRAMMES
27 November 2013

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