South Africa's decentralisation movement: Power to the provinces - Biznews — Institute of Race Relations
Both federation and devolution are concepts of political decentralisation. The pitfalls of centralisation have been well-documented, but briefly, when a society (or any other social unit) places some important good or service – electricity comes to mind – under the control of a single institution, and hence a single point of potential failure, that represents a significant risk.
Source: irr.org.za