ALTERNATIVE, ALTERNATIVENERGIE, BAR, BIRGIT, BUS, CONSUMPTION, COST, COSTS, ELECTRIC, ELECTRICITY, ELEKTIZIT, ENERGY, ENERGY-SAVING, EURO, EUROM, FLOWERPOT, GRASMATTE, KOSTROM, LAMP, LEUCHTMITTEL, LIGHT, LUMINARY, MONEY, NONPOLLUTING, NZEN, OF, POWER, REGENERATIVE, REITZ-HOFMANN, SHINER, STROMKOSTEN, STROMPREIS, SUPPLY, T,