What's the energy cost of extracting materials, processing them, producing, shipping, installing and maintaining all that solar panel infraestructure which will need to be renewed and therefore spend again the same energy every 30 or so years?

There's one thing we need to realise: there's no such thing as clean energy, all energy production and use has a material cost (and every material extraction, production, and use has an energetic cost), it's the laws of thermodynamics.

There are energies that are cleaner and more efficient, sure, but if the objective is perpetual growth and not sustainability, cleaner energies will just buy us some time, but the limits will catch us eventually (sooner rather than later seeing how that climate collapse thingy is coming along).

In fact, in a growthist economic system such as capitalism, any improvement in efficiency results in not a lower, but a greater use of energy and materials, hence, the more exploitation and consumption of resources, the economist William Stanley Jevons discovered this paradox in 1865 with improvements in steam engines and coal extraction and consumption, look it up, it's fascinating... American slaves also lived this paradox in their own skins with the invention of the cotton gin, which was invented to ease the work of the slaves, and hence reduce slavery, and the result was the complete opposite, increasing by orders of magnitude the enslavement of human beings.