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Collaborative Governance Pemerintah Kota Semarang dengan Belanda sebagai Upaya Penanggulangan Banjir Rob di Kota Semarang Nadiyatur Rahma; Kismartini Kismartini; Augustin Rina Herawati
Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan Vol. 18, No. 5 : Al Qalam (September 2024)
Publisher : Sekolah Tinggi Ilmu Al-Qur'an (STIQ) Amuntai Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35931/aq.v18i5.3946

Abstract

Kota Semarang, sebagai ibu kota Provinsi Jawa Tengah, menghadapi berbagai tantangan lingkungan, terutama banjir rob yang disebabkan oleh penurunan tanah (land subsidence) dan kenaikan muka air laut. Perubahan iklim global dan aktivitas manusia telah memperburuk kondisi ini, mengancam infrastruktur, lingkungan, dan kesejahteraan masyarakat. Penelitian ini bertujuan untuk mengevaluasi upaya penanggulangan banjir rob di Kota Semarang, dengan fokus pada kerjasama antara Pemerintah Kota Semarang dan Dutch Water Authority dalam pengembangan sistem Polder Banger. Metode yang digunakan dalam penelitian ini adalah systematic review dengan studi kepustakaan. Data dikumpulkan melalui analisis literatur yang mencakup laporan penelitian terdahulu, jurnal, dan buku referensi yang relevan dengan topik penanggulangan banjir rob. Penelitian ini mengevaluasi efektivitas dari upaya yang dilakukan, baik dari sisi teknis seperti pembangunan polder, maupun aspek kelembagaan dalam pengelolaan dan pemeliharaan infrastruktur. Hasil penelitian menunjukkan bahwa meskipun terdapat perbaikan signifikan dalam penanganan genangan banjir rob di beberapa wilayah, Kota Semarang masih belum sepenuhnya memenuhi kriteria sebagai kota tangguh. Masih banyak masyarakat yang hidup dalam kondisi rentan, dengan infrastruktur yang belum memadai dan perekonomian yang tergantung pada sektor-sektor yang mudah terdampak oleh bencana. Diperlukan pendekatan yang lebih menyeluruh dan berkelanjutan, termasuk penguatan kelembagaan dan peningkatan partisipasi masyarakat dalam proses mitigasi bencana.
Clean and resilient long-term renewable energy strategies to power Indonesia’s new capital city: Capacity expansion modeling of Kalimantan Island Fadolly Ardin; Keisha Dinya Solihati; Augustin Rina Herawati; Oktaviani Turbiningsih
JURNAL ILMU SOSIAL Vol 24, No 2 (2025)
Publisher : Faculty of Social and Political Sciences, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jis.24.2.2025.241-262

Abstract

In response to solve the crucial urban problems and severe environmental threats, the government of Indonesia announced plans to relocate the country’s government capital city from Jakarta (Java island) to the Penajam Paser, East Kalimantan (Borneo island) starting from 2024. Moreover, decision-makers are exploring long-term pathways to power the new Capital City (Nusantara) and broader Kalimantan Island to support clean energy transition commitment objectives. This study will analyze the potential energy transition pathways with a planning horizon to 2040 for expanding power generation capacity across Kalimantan and Nusantara to support this relocation. It aims to investigate the achievable renewable energy penetration levels in the generation mix and pathways to reach zero emissions for the capital city energy system. This study utilizes data-driven decision-making by computationally modeling the existing Kalimantan power system using the Engage™ open-access energy system planning tool. It explores future capacity expansion options by optimizing generation capacity, transmission investments, and integrating energy storage systems. The results are presented by discussing implications for energy sector planning and long-term energy scenarios for Nusantara and the island of Borneo. The results indicate that achieving a 100% renewable energy share in Borneo’s energy mix is possible by 2040, with 94.2% of electricity supplied from large hydro reservoirs. However, the lowest Levelized Cost of Electricity (LCOE) is not achieved under the 100% renewable energy scenario but rather under the 75% renewable energy share scenario, as the cost of some renewable options may exceed the cost of the cheapest fossil fuel power generation. The 100% renewable energy scenario in 2040 could increase the LCOE by 41% compared to the Business-as-Usual (BAU) scenario and it would require the highest investment costs. Moreover, the heavy reliance on large hydro reservoirs in the future energy systems of Nusantara and Borneo Island could lead to challenges related to land acquisition, social conflicts, and environmental degradation. This study also explores opportunities for clean energy development and investment in the new capital city plan, including potential infrastructure to support the energy transition, such as renewable energy sources, smart grids, and large-scale energy storage systems.