New Year Greeting/President of JSES : Nobuyuki SUNAGA
Prefatory note : Aces for Japanese strategy / KotaroTANAKA
Featured article Ⅰ : Current Status of Japan’s Grid Code for Renewable Energies
Purpose of this feature / Masakazu ITO and Yuzuru UEDA
Significance and Approach for Grid Codes / Kazuhiko OGIMOTO and Chiyori T. URABE
Photovoltaic as a main power source, and current status of Grid code in Japan / Akihiro NISHIZONO
Trends of standardization in IEC / Yasutoshi YOSHIOKA
Smart Inverter and Interconnection conformance testing according to Grid Code / Jun HASHIMOTO and Kenji OHTANI
Technology Trend for Next Generation Power Network / Hideo Ishii
Featured article Ⅱ The new subjects of photovoltaic power forecasting under the penetration of a large amount of photovoltaic power generation systems
Purpose of this feature / Hideaki OHTAKE
“PV in HOKKAIDO” – Contest Seeks Best Models for Predicting Power Output of Solar Power Plants in Hokkaido, JAPAN / Ryoichi HARA, Takashi SHIMPO and Nobuhiro WATANABE
Day-ahead Forecasting of Photovoltaic Power Generation by WRF and Sparse Regression / Hiromasa SHIN, and Yoshiaki SHIGA and Mitsuru KAKIMOTO
PV output forecasting by model amusable of machine learning methods using GPV / Takashi OOZEKI, Hideaki OHTAKE, Fumichika UNO, Mitsuhiro Umizaki and João Gari da Silva Fonseca Júnior
General discussion on solar power forecasting technology / Hideaki OHTAKE
Technical paper
Study on simplified calculating method for hot water temperature and condensation in presumed steady condition of cross-linked polyethylene pipe / Tetsutoshi KAN, Koji KUROTORI and Yuki NAGUMO