An electrically-heated window sheet material comprising: a heatable transparent conductive film; and a plurality of bus bars (13, 14) for supplying electricity to the transparent conductive film; wherein the plurality of bus bars (13, 14) include an upper bus bar connected to an upper side of the transparent conductive film, and a lower bus bar connected to a lower side of the transparent conductive film; wherein the transparent conductive film includes a recess that is formed by shifting one part of the upper side more downward than a remaining part of the upper side or by shifting one part of the lower side more upward than a remaining part of the lower side, a band-shaped first region interposed between the upper bus bar and the lower bus bar, a band-shaped second region that is another region interposed between the upper bus bar and the lower bus bar, and a plurality of openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143) provided in the first region; wherein the upper bus bar or the lower bus bar is formed along a side of the transparent conductive film that includes the recess; wherein the first region is a region interposed between a bus bar at which the recess is positioned and another bus bar that faces the recess; wherein a distance between the upper bus bar and the lower bus bar is shorter in the first region than in the second region; and wherein the plurality of openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143) are formed in an upper part or a lower part of the first region on a side of the another bus bar facing the recess; and wherein the conductive film of the window sheet material is configured to conduct current flowing in the first region from one of the upper and lower bus bars (13, 14) to the other of the upper and lower bus bars (13, 14) is bypassed at least once by the openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143), wherein the first region includes a frequency selective surface that allows a vertically polarized electromagnetic wave of a predetermined frequency to be transmitted by the plurality of openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143). a heatable transparent conductive film; and a plurality of bus bars (13, 14) for supplying electricity to the transparent conductive film; wherein the plurality of bus bars (13, 14) include an upper bus bar connected to an upper side of the transparent conductive film, and a lower bus bar connected to a lower side of the transparent conductive film; an upper bus bar connected to an upper side of the transparent conductive film, and a lower bus bar connected to a lower side of the transparent conductive film; wherein the transparent conductive film includes a recess that is formed by shifting one part of the upper side more downward than a remaining part of the upper side or by shifting one part of the lower side more upward than a remaining part of the lower side, a band-shaped first region interposed between the upper bus bar and the lower bus bar, a band-shaped second region that is another region interposed between the upper bus bar and the lower bus bar, and a plurality of openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143) provided in the first region; a recess that is formed by shifting one part of the upper side more downward than a remaining part of the upper side or by shifting one part of the lower side more upward than a remaining part of the lower side, a band-shaped first region interposed between the upper bus bar and the lower bus bar, a band-shaped second region that is another region interposed between the upper bus bar and the lower bus bar, and a plurality of openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143) provided in the first region; wherein the upper bus bar or the lower bus bar is formed along a side of the transparent conductive film that includes the recess; wherein the first region is a region interposed between a bus bar at which the recess is positioned and another bus bar that faces the recess; wherein a distance between the upper bus bar and the lower bus bar is shorter in the first region than in the second region; and wherein the plurality of openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143) are formed in an upper part or a lower part of the first region on a side of the another bus bar facing the recess; and wherein the conductive film of the window sheet material is configured to conduct current flowing in the first region from one of the upper and lower bus bars (13, 14) to the other of the upper and lower bus bars (13, 14) is bypassed at least once by the openings (31, 41; 31-n, 41-n; 32-n, 52-n; 42-n; 141, 142, 143),