id	keyword
american_scientific_journal-8343	energy
american_scientific_journal-8343	electricity
american_scientific_journal-8343	system
american_scientific_journal-8343	solar
american_scientific_journal-8343	island
american_scientific_journal-8343	water
american_scientific_journal-8343	hybrid
american_scientific_journal-8343	fpvs
american_scientific_journal-8343	generation
american_scientific_journal-8343	crete
american_scientific_journal-8343	hierro
american_scientific_journal-8343	energy system