The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case

The Taiwanese government has set an energy transition roadmap of 20% renewable energy supply by 2025, including a 20 GW installed PV capacity target, composed of 8 GW rooftop and 12 GW ground-mounted systems. The main trend of feed-in tariffs is downwards, having fallen by 50% over a ten-year period...

Full description

Bibliographic Details
Main Authors: Chun-Nan Chen, Chun-Ting Yang
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/9/2728
_version_ 1797534705582604288
author Chun-Nan Chen
Chun-Ting Yang
author_facet Chun-Nan Chen
Chun-Ting Yang
author_sort Chun-Nan Chen
collection DOAJ
description The Taiwanese government has set an energy transition roadmap of 20% renewable energy supply by 2025, including a 20 GW installed PV capacity target, composed of 8 GW rooftop and 12 GW ground-mounted systems. The main trend of feed-in tariffs is downwards, having fallen by 50% over a ten-year period. Predicting the future ten-year equity internal rate of return (IRR) in this study, we examine the investability of PV systems in Taiwan when subsidies and investment costs descend. We have found that the projected subsidies scheme favours investment in small-sized PV systems. Unless the investment costs of medium-sized PV systems fall or subsidies rise over the next decade, investing in medium-sized PV systems will be less attractive. Nonlinear and linear degradation causes slight IRR differences when using higher-reliability modules.
first_indexed 2024-03-10T11:34:13Z
format Article
id doaj.art-fc267ba3631349e8ace09d903f52edfd
institution Directory Open Access Journal
issn 1996-1073
language English
last_indexed 2024-03-10T11:34:13Z
publishDate 2021-05-01
publisher MDPI AG
record_format Article
series Energies
spelling doaj.art-fc267ba3631349e8ace09d903f52edfd2023-11-21T19:03:37ZengMDPI AGEnergies1996-10732021-05-01149272810.3390/en14092728The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan CaseChun-Nan Chen0Chun-Ting Yang1Graduate Institute of Finance, National Taiwan University of Science and Technology, Taipei 10607, TaiwanGraduate Institute of Finance, National Taiwan University of Science and Technology, Taipei 10607, TaiwanThe Taiwanese government has set an energy transition roadmap of 20% renewable energy supply by 2025, including a 20 GW installed PV capacity target, composed of 8 GW rooftop and 12 GW ground-mounted systems. The main trend of feed-in tariffs is downwards, having fallen by 50% over a ten-year period. Predicting the future ten-year equity internal rate of return (IRR) in this study, we examine the investability of PV systems in Taiwan when subsidies and investment costs descend. We have found that the projected subsidies scheme favours investment in small-sized PV systems. Unless the investment costs of medium-sized PV systems fall or subsidies rise over the next decade, investing in medium-sized PV systems will be less attractive. Nonlinear and linear degradation causes slight IRR differences when using higher-reliability modules.https://www.mdpi.com/1996-1073/14/9/2728feed-in tariffphotovoltaicinvestabilityIRR
spellingShingle Chun-Nan Chen
Chun-Ting Yang
The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case
Energies
feed-in tariff
photovoltaic
investability
IRR
title The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case
title_full The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case
title_fullStr The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case
title_full_unstemmed The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case
title_short The Investability of PV Systems under Descending Feed-In Tariffs: Taiwan Case
title_sort investability of pv systems under descending feed in tariffs taiwan case
topic feed-in tariff
photovoltaic
investability
IRR
url https://www.mdpi.com/1996-1073/14/9/2728
work_keys_str_mv AT chunnanchen theinvestabilityofpvsystemsunderdescendingfeedintariffstaiwancase
AT chuntingyang theinvestabilityofpvsystemsunderdescendingfeedintariffstaiwancase
AT chunnanchen investabilityofpvsystemsunderdescendingfeedintariffstaiwancase
AT chuntingyang investabilityofpvsystemsunderdescendingfeedintariffstaiwancase