(S (S (BASENP (DT The) (NN system)) (VP (MD will) (VP (VB generate) (NP (BASENP (NN 200kW)) (COMMA ,) (ADJP (JJ enough) (S (VP (TO to) (VP (VB meet) (NP (BASENP (RB approximately) (NN one) (NN third)) (PP (IN of) (NP (BASENP (DT the) (NN castle) (POS 's)) (BASENP (NN electricity) (NNS needs))))))))))))) (PERIOD .))