How to size a distribution transformer without overpaying

The two most common transformer sizing mistakes in Nigeria pull in opposite directions, and both are expensive. Here is how to avoid them.
Practical technical notes on transformers, cables, overhead conductor and solar sizing for Nigerian electrical projects.

The two most common transformer sizing mistakes in Nigeria pull in opposite directions, and both are expensive. Here is how to avoid them.

Both are aluminium overhead conductors and they are not interchangeable. The deciding factors are span, corrosion and what your existing hardware was designed for.

The failure is almost never the panels. It is that nobody added up the load before the sale.