1) The document discusses potential power source compositions in Japan in 2030 under different scenarios: status quo, abandoning dependence on nuclear power, and complete denuclearization. 2) Under the status quo scenario, nuclear power would make up 20-25% of power sources, while renewable energy would be 30-35% and thermal power 35%. 3) In a scenario abandoning nuclear dependence, nuclear power would drop to 15% while renewable energy rises to 30% and thermal power to 40%. 4) For complete denuclearization, renewable energy would increase to 35% of power sources and thermal power would be 50%, with nuclear power at 0%.