Which model with how many parameters du you use in ollama? With 8GB you should only be able to use the smallest models, which ist faaaar from ideal:
You should have at least 8 GB of RAM available to run the 7B models, 16 GB to run the 13B models, and 32 GB to run the 33B models.
What? Do you live in the 1950s? Have you heard of nuclear accidents? How many people did wind and solar energy kill so far?
https://en.m.wikipedia.org/wiki/List_of_nuclear_power_accidents_by_country