Feed-in Tariff Premium for Optimal Solar PV Allocation Case of Phitsanulok 1st Substation

doi: 10.14456/mijet.2018.9

Abstract

Solar photovoltaics (PVs) is famously known as a green technology. It is interesting for installing and connecting to the distribution systems around the world and Thailand. Therefore, the low price of solar PVs operation becomes a target for installation. However, erroneous allocation of grid-connected solar PVs leads to power loss increasing in the power distribution systems. This affects the increment of the power distribution system investment cost. To connect solar PVs in the power distribution system, the power loss of the system is important to consider with the system stability. Therefore, to promote the solar PVs installation, the optimal allocation of solar PVs with the feed-in tariff (FiT) premium price was implemented.  The analysis result shows that the net present value (NPV) and the internal rate of return (IRR) were increased from the normal FiT scheme. Thus, this is noticed that the FiT premium can create motivation for investment in the future installation and connection of the solar PVs at the optimal location.