Not everything can be solved by money, sometimes its a mythical man month/9 women can't produce a baby in 1 month issue.
However in this scenario, its pure neglect which is causing power issues.
Running a fossil fuel grid requires a bunch of logistics to source, refine, and deliver the fuel. In addition to general equipment upkeep.
Renewables only require equipment upkeep.
And if a town grows surprisingly fast, that may also be politics. Even geopolitics (eg, refugees).
I mean, its not like they just discovered electricity. Sure sometimes things take time, but that is still a money issue because it means there was insufficient budget for maintainance and future capacity planning
That being said, politics aren't the only reason why it might not be deployed. Capitalization issues, for one, are also common. Additionally, you have to make a judgement call about what you consider included in "politics" -- for example, does corruption count?