Solar Rooftop Policy in Thailand

Mr. Prasit SiritiprussameeAssistant Secretary General

The Office of Energy Regulatory Commission

Power Industry Trends

Power Industry Trends

Prosumer (Consumer + Producer)

New business modelPeer to Peer Energy Trading

ProduceConsume

Electric Vehicle (EV)

New Business Model Battery swapping

New Business Model V2G (Vehicle to Grid) & Peak shaving

Power Industry Trends

Energy Storage

Power Industry Trends

Peak Shaving Reduce fluctuations

Microgrid

RE Integration more reliability

Energy Management System (EMS)

IT Integration

Solar Power Development in Thailand

Solar Power Development in Thailand

2006

Adder 8 Baht/ unitSupport for 10 years

2010

Adder 6.50 Baht/unitSupport for 10 years

2013

FiT Solar PV Rooftop 1.Residence2.Small Factories3.Big Factories

2014

1. FiT Solar on ground (1) (Government and Agricultural Cooperative, including previous Adder project )2. Solar PV Rooftop on residence ≤ 10 kW

2017

FiT Solar on ground (2)- Government 100 MW

- Agricultural Cooperative 119 MWFiT 4.12 Baht/unit

AEDP 2012

AEDP 2015

2019

- Solar PV Rooftop on residence (≤10 kW)- Self-Consumption and sale excess energy to grid 1.68 Baht/unit- 50 MW Target in 2020

2020 2020

• Power generation for Local community

• Hybrid biomass++ solar• 700 MW target (New)

NEW Program

PDP 2018

8

Grid Connected Solar

1. Sale to main grid

2. Prosumer → Producer + ConsumerProduce

Consume

Own use or Private PPANo reverse power flow back to grid

Sale excess energy to main grid

2.2

2.1

***IPS: Independence power supply

Solar Power Status in Thailand

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RE Target 16,778 MW*

TypeTarget(MW)

PDP2015

Target

(MW)PDP2018

Existing(MW)*

Waste-to-Energy- MSW- Industrial waste

55050050

44440044

48745037

Biomass 5,570 3,496 5,017

Biogas- Waste- Energy Crop

1,280600680

546 524

Mini Hydro 376 - 145

Wind 3,002 1,485 1,517

Solar- Ground-mounted- Rooftop

6,000 10,000 3,4892,951538

Solar Floating (EGAT)

- 2,725 -

RE Target under AEDP 2015 and Current Status

* Status as of June 2020

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Install Cap. (existing)11,179 MW**

Remaining target5,599 MW

RE Target 16,778 MW*

Status as of June 2020

* excluding Large Hydro

** Plus other REs (97 MW), which are not mentioned in the Target of AEDP 2015, such as Waste Gas.

Solar Energy Current Status

RE Solar

RE Install Cap. 11,179 MW

Solar Installed Cap.3,489 MW

Other RE Ins. Cap.7,690 MW

31%of RE Ins. Cap.

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❑ Increasing continuously

❑ success due to attractive

incentive scheme & Cost of solar

power generation & good solar

radiation in Thailand

❑ High growth rate;

CAGR 24.38%/yr*

(2013-2016)

❑ Solar power ~ 31% of current

RE shared

Solar power development in Thailand

*Compound Annual Growth Rate - CAGR

Impact of Solar System & Mitigation

14

Impact of Solar System

1. Duck Curve 2. Instability due to intermittency sources

GRIDSOLAR

Need to solve

15

Mitigation Power Quality Problem

1. Energy Storage System (ESS)

2. Hybrid

3. Smart Grid

EGAT

Energy Storage System (ESS)

Battery Energy Storage System Project

Bamnet NarongSubstation

Chai BadanSubstation

High penetration of wind and solar powerFluctuate generation

Connected at 115 kV networkThis area far away from main grid (230 kV)

Project schedule plan➢ 2017 : Design and Planning Phase ➢ 2018 : Constructions Phase ➢ 2019 : COD

Pilot Project

Source: EGAT

Hybrid

✓ Increased Reliability & Stability✓ Increased Potential of Transmission and

Distribution System✓ Increased Power System Stability due to

Firm Generation

PV/ Wind/ Hydro Generation

Biomass / Biogas / municipal solid waste (MSW)

SPP Hybrid Firm / VSPP Semi Firm

Smart Grid

Smart Grid at Chonburi

Microgrid at Koh Kood & Koh Mak, TratMicrogrid at Amphur Mae Sariang, Maehongson

Smart Grid at Amphur Muang, Maehongson

Smart Grid Demonstration Project in Thailand

Energy Regulatory Commission Sandbox (ERC Sandbox)

Disruption era

Key success factor

New tool

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1) Solar Roof Top Owner sale excess electricity to Main Grid 2) Aggregator sale excess electricity to Main Grid

Main Grid

SMART ENERGY

PLATFORM

Peer to Peer

Solar Rooftop Business Model for prosumer/ Private PPA

Sale excess energy to main grid

Digital Meter

Main Grid

Energy Regulatory Commission Sandbox (ERC Sandbox)

Promote Development of energy innovations

Promote the efficiency of energy industry

New Regulation

Disruptive technology in energy industry Need to revised regulation

Peer-to-Peer Energy Trading & Bilateral Energy Trading1.

Microgrid2.

Battery Storage3.

Net Metering / Net Billing4.

New Business Model5.

Natural gas6.

Energy Regulatory Commission Sandbox (ERC Sandbox)

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Conclusions

1. 20% RE Share in 2036 → 16,778 MW

2. Solar Energy Shared in AEDP → 36% (6,000 MW) of RE Target (16,778 MW) → existing 3,489 MW

3. Large Scale Solar Energy → meet “Grid Parity” then no need for incentive

4. Mitigation Power Quality Problem → ESS + Hybrid + Smart Grid

5. Sand box → Novel tool for energy industry development

Thank you for your kindly attention