id	keyword
american_scientific_journal-3364	power
american_scientific_journal-3364	energy
american_scientific_journal-3364	storage
american_scientific_journal-3364	technology
american_scientific_journal-3364	energy storage
american_scientific_journal-3364	grid
american_scientific_journal-3364	electric
american_scientific_journal-3364	wind
american_scientific_journal-3364	system
american_scientific_journal-3364	generation
american_scientific_journal-3364	research