Kebijakan pemerintah pusat melalui RUEN menargetkan Bali memanfaatkan energi matahari sebesar 108 MWp pada tahun 2025. Bali sebagai pulau kecil destinasi pariwisata yang sangat berkembang di Indonesia dinilai berpeluang dalam memanfaatkan potensi ini. Penelitian ini mencoba meninjau bagaimana perkembangan PLTS di Bali melalui studi pustaka dan obervasi lapangan. Hasil penelitian ini menunjukkan bahwa perkembangan total kapasitas PLTS terpasang di Bali sampai saat ini sudah mencapai 3,71 MWp atau 3,44% dari target RUEN. Berdasarkan data yang dikelola perkembangan PLTS di Bali dalam 14 tahun terakhir meningkat rata-rata 265,18 kWp atau 7,14% setiap tahunnya. Sampai saat ini kapasitas PLTS tertinggi di Bali terdapat di Kabupaten Karangasem yang memiliki kapasitas PLTS terpasang 1.106 kWp atau 29,79 % dari total kapasitas di Bali. Sedangkan kapasitas terendah terdapat di Kabupaten Jembrana dengan kapasitas terpasang sebesar 10 kWp atau 0,27%. Sistem PLTS di Bali digunakan dalam berbagai macam aplikasi, kapasitas terbesar digunakan untuk utilitas sebanyak 58,64%, sedangkan terendah digunakan untuk pompa air sebesar 0,55%. Berdasarkan jenis PLTS, di Bali didominasi oleh sistem PLTS on-grid dengan kapasitas terpasang 3.225 kWp atau 87%, sedangkan terendah adalah sistem hybrid dengan kapasitas 224 kWp atau 6% dari total kapasitas di Bali.
Target capacity of Solar Power Plant in Province of South Sumatra is pursued throughthe construction of a rooftop PV mini-grid system with off-grid and on-grid systems. Based onNational Energy General Plan (RUEN) in 2017, Province of South Sumatra has the third largestsolar power potential on a national scale with a target of Solar Power Plant developmentreaching 296.6 MW in 2025. Province of South Sumatra is the second most populous provinceon Sumatra Island with electricity consumption reaching 5,308 GWh in 2020. This study tries toanalyze the development of Solar Power Plant in Province of South Sumatra based on theliterature review. Solar Power Plant that has been installed until 2021 reached 12.441 MW oraround 4.12% of the South Sumatra RUEN target of 296.6 MW in 2025. The types of SolarPower Plant applications in Province of South Sumatra consist schools, hotels, palm oilfactories, irrigation pumps , and utility networks spread across Palembang, Muara EnimRegency, Muara Rawas Regency, and Ogan Hilir Regency
The importance of monitoring the temperature of the motor bearing on the water circulation pump on a regular basis to prevent pump operation failures due to bearing. The operator monitors the temperature bearing manually using a Flir measuring instrument with potential hazards in the work area namely slipping, falling and electrocution. On this basis, IoT based bearing monitoring system for circulation water pump in real time is very necessary.The design of this prototype uses hardware such as ESP32 microcontroller and MLX90614-BCC sensor, while the software used are blynk and google spreadsheet. The MLX90614-BCC sensor calibration uses a linear regression method to adjust the sensor value to the Flir TG167 so as to minimize deviations in temperature readings.The results of this prototype are able to read temperature bearing well which are integrated with the blynk on smartphones by displaying temperature values in the form of numbers and graphs and also equipped with a notification. The prototype that was built had an average measurement deviation of 0.32% on the DE sensor and 0.3% on the NDE sensor. Storage of temperature data on google spreadsheet with the amount of data that can be stored as much as 1,666,666 data. The conclusion of the research is that it has succeeded in designing and manufacturing a prototype IoT based bearing monitoring system for circulation water pump. Testing the performance of the prototype can work well. The results of the prototype test on bearing for the water circulation pump showed that DE and NDE bearing temperatures were still below 55 °C and there was no notification on the smartphone which indicates the motor bearing is still in normal condition.
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