This book discusses current and essential issues regarding black-out: INTRODUCTION, STATE OF ART, BLACKOUT SCENARIOS AT NATIONAL AND EUROPEAN LEVEL, NATIONAL, REGIONAL AND BILATERAL PROCEDURES AND MEASURES IN THE EVENT OF AN ELECTRICITY CRISIS, ROLE AND TASKS OF COMPETENT AUTHORITIES FOR SECURING ELECTRICITY SUPPLY Energy blackouts highlight vulnerabilities in a nation's infrastructure, while national resilience determines whether such disruptions spiral into crises or remain manageable challenges. Countries that invest in resilient energy systems, cybersecurity, and emergency planning are...