...Island by Con Ed would result in a combination, within the meaning of Section 2 (a) (29) (B) of the Act "so large as to impair (considering the state of the...efficient operation, and the effectiveness of regulation," or whether, within the meaning of Section 10 (b) (1) "such acquisition will tend toward interlocking...

...which under normal conditions may be economically operated as a single interconnected and coordinated system confined in its operations to a single area...area or region affected) the advantages of localized man* agement, efficient operation, and the effectiveness of regulation; and (B) As applied to gas utility...

...single interconnected and coordinated system confined in its operations to a single area or region, on one or more States, not so large as to impair (considering...efficient operation, and the effectiveness of regulation ;" The areas served by Public Service and Ohio, aside from the Springfield area considered separately...

...which under normal conditions may be economically operated as a single Interconnected and coordinated system confined In its operations to a single area...more states, not so large as to Impair (considering ili" state of the art and the area or region affected) the advantages of localized management, efficient...

...and related that substantial economies may be effectuated by being operated as a single coordinated system confined in Its operations to a single area or region, in one or more states, not so large ns to impair (considering the state of the art and the area or region affected) the advantages of localized...

...$15,385,279It is clear that the facilities of these gas utility companies are "operated as a single coordinated system confined in its operations to a single area or region, in one or more States," and we accordingly find that the gas utility properties of Pittsburgh W. Va., Equitable and Philadelphia...

...system confined in Its operations to a (ingle area or region, in one or more States, not so large « to impair (considering the state of the art and the area or region affected) the advantage* of localised management, efficient operation, and the effectiveness of regulation." " Mittiniwl...

...interconnection and which under normal conditions may be economically operated aa a single I and coordinated system confined in its operations to a single area or region, in one not so large as to impair (considering the state of the art and the area or region the advantages of...

...The continued combination of such systems under the control of such holding company is not so large (considering the state of the art and the area or region affected) as to impair the advantages of localized management, efficient operation, or the effectiveness of regulation....

...The continued combination of such systems under the control of such holding company is not so large (considering the state of the art and the area or region affected) as to impair the advantages of localized management, efficient operation, or the effectiveness of regulation....