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TOWARDS ENERGY JUSTICE IN INFORMAL SETTLEMENTS Vol II

Team member(s): Naji Altala
Modified by Naji Altala on April 2, 2025

A Methodological Approach to Urban Morphology and Hybrid Energy Systems in the Global South

Project Statement:

“Even as we advance in Energy Innovation, our cities continue
to grapple with deep inequalities. In this research, I propose
rethinking Urban Morphology—not merely as the physical
form of our settlements, but as a strategic lever for equitable
energy solutions. The conceptual Energy-Morphology Index I
am developing is envisioned as the foundation for a
Decentralized Solar Energy sourcing system, one that aims to
empower communities and bridge the Energy Divide.”

Why Slums:

1 Billion People live in informal settlements worldwide-By 2050 this number is expected to double, primarily in the Global South. Over 70% of urban housing in Sub-Saharan Africa consists of informal settlements- With up to 50%of urban populations in informal settlements living without electricity or clean energy.

“Informal settlements are not a fringe issue—they are the urban reality for billions. Understanding and addressing their challenges is crucial for achieving just, sustainable cities in the Global South.”

Insights from State-of-the-Art Research: Bridging Urban Morphology & Energy Demand

Cities and Energy: Urban Morphology and Residential Heat-Energy Demand-FEB 2014-Authors: Philipp Rode, Christian Keim, Guido Robazza, Pablo Viejo, James Schofield

  • How urban form influences residential heat-energy demand.
  • Comparison of building typologies across Paris, London, Berlin, and Istanbul.
  • Simulation-based modeling of solar gains and energy losses.

Key Research Question:

How does urban morphology impact heat-energy efficiency at the neighborhood scale?

Methodology:

  • Studied 25 residential building configurations across 4 major cities.
  • Created digital elevation models (DEMs) for both real and idealized morphology samples.
  • Simulated solar gains and heat-energy losses to estimate demand.

Key Findings:

  • Urban form has a major impact on energy consumption.
  • Compact, mid-rise urban blocks are the most energy-efficient.
  • Detached housing showed the highest heat-energy demand.
  • Increasing density reduces energy demand but with diminishing returns beyond FAR 4.0.
  • High-rise apartments and slab housing had varied performances based on orientation and spacing.
  • Surface-to-volume ratio is a strong indicator of energy demand.

16 CONCEPTS TO TACKLE ENERGY ACCESS IN SLUMS:

CHRONOLOGY OF INFORMAL URBANISM & DECENTRALIZED ENERGY (1960–2030):

3 SLUMS OVERVIEW: FROM 10 TO 3:

Visualizing Energy Demand:

Tags: Climate Change, Python, Adaptive Strategy, Mapping, Computational Design, Urban Design, Strategic Planning, Big Data, Artificial Intelligence, Circular Economy, Urban Planning


TOWARDS ENERGY JUSTICE IN INFORMAL SETTLEMENTS Vol II is a project of IAAC, Institute for Advanced Architecture of Catalonia developed in the Master in Advanced Architecture 02 - 2024-2025 by the student(s) Naji Altala during the course MAA02 24/25 Algorithmic Design II Thesis Cluster with Rodrigo Aguirre.

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(+34) 93 329 95 20

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