Select medição geração por hora

SELECT sm.id,
       sm.denominacao,
       date_trunc('hour', m.data_medicao) as medicao,
       SUM(m.potencia_ativa) as potencia_ativa,
       SUM(m.potencia_reativa) as potencia_reativa
from sideufg_medicao m
         INNER JOIN sideufg_medidor sm on sm.id = m.medidor_id
WHERE sm.id IN
      (2023001, 2037001, 1093001, 1094001, 1095001, 1096001, 1097001, 1098001, 1099001, 1100001, 1101001, 1102001)
GROUP BY 3, sm.id
ORDER BY 3;