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Does Botswana's Net Zero Plan have a Financing Gap?

ボツワナのネットゼロ計画には資金ギャップがあるのか? (AI 翻訳)

Tamasiga, Phemelo

Zenodoプレプリント2026-07-27#トランジション・ファイナンスOrigin: Global対象セクター: power
DOI: 10.5281/zenodo.21620553
原典: https://zenodo.org/records/21620553

🤖 gxceed AI 要約

日本語

本論文は、ボツワナの電力部門における2050年ネットゼロ達成に必要な投資プログラム(46.9億ドル)の資金ギャップを、MINFinモデルを用いて分析。結果、累積資金ギャップは77.6億ボツワナプラ(約47.1億ドル)に上る。問題の発電所の採算性ではなく、配電事業者が契約電力コストを需要家料金で回収できない構造にある。譲許的融資や料金引き上げによる緩和策も提示。

English

This paper analyzes the financing gap in Botswana's power sector under a net zero 2050 scenario using the MINFin model. It finds a cumulative gap of BWP 77.6 billion (USD 4.71 billion), predominantly borne by the distribution utility due to unrecoverable power purchase costs. The study evaluates mitigation measures including concessional financing, tariff increases, and grants.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

本分析は途上国におけるネットゼロ移行の資金調達課題を定量的に示しており、日本の国際協力機構(JICA)や民間企業がアフリカの再エネ事業に関与する際のリスク評価に活用できる。特に、オフテイカーの信用力がプロジェクトファイナンスの鍵となる点は、日本の投資判断にも示唆を与える。

In the global GX context

This paper provides a rigorous methodology for assessing financing gaps in national net zero plans, relevant to global climate finance discussions under the Paris Agreement and the Just Energy Transition Partnerships (JETPs). The finding that distribution utility solvency, not generator bankability, is the critical bottleneck offers a caution for international investors and donors designing concessional support.

👥 読者別の含意

🔬研究者:MINFinモデルの実践応用例として、エネルギー移行の資金ギャップ分析手法を学べる。

🏢実務担当者:発電事業者と配電事業者のリスク配分を理解し、オフテイカーリスクの評価に役立つ。

🏛政策担当者:料金設定や譲許的資金の配分が資金ギャップに与える影響を定量的に把握できる。

📄 Abstract(原文)

Report on the Financial Analysis of the financing gap in Botswana's Energy Sector under a Net Zero by 2050 Scenario using the Model for Informed National Financing (MINFin). Botswana’s planned power-sector expansion requires substantial investment, raising an important question about whether available sector revenues can meet the resulting financing obligations. This study applies the Model for Informed National Financing to a USD 4.69 billion investment programme for 2025–2050, dominated by concentrated solar power, using historically grounded financing terms, projected exchange rates, tariffs, operating costs and corporate taxation. The results identify a cumulative funding gap of BWP 77.6 billion, equivalent to USD 4.71 billion. The central problem is not generator bankability. Generators record no shortfall years at current tariffs, while the distribution utility carries 81–85% of the gap because contracted power-purchase costs cannot be recovered from end-user revenues. Increasing the power purchase agreement tariff therefore redistributes the shortfall rather than closing it. Each percentage-point increase shifts about USD 66 million from the utility to generators, while 22% of the transfer is absorbed through corporate tax. A Concessional Compact, combining concessional financing shares of 88% for renewables with USD 2.68 billion in grants directed to the off-taker, reduces the gap by BWP 17.4 billion. A 2% annual end-user tariff increase from 2026 to 2030 closes a further BWP 11 billion, while faster currency depreciation adds BWP 1.5 billion. Botswana should therefore prioritise utility cost recovery, targeted concessional support and bridge financing for the single system-wide shortfall in 2025, rather than higher payments to already viable power generators.   This work was supported by the Climate Compatible Growth Programme (#CCG) of the UK's Foreign Development and Commonwealth Office (FCDO). The views expressed in this paper do not necessarily reflect the UK government's official policies. Files

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