Investor-Owned Utilities' Electricity Distribution Lines Summarized by Senate District
as of June 2021

Senate District % of Senate District's Power Lines Underground or Covered # of Fire Incidents Total Miles - Underground % of Power Lines - Underground Total Miles - Covered % of Power Lines - Covered Total Miles - Bare % of Power Lines - Bare Total Miles - Other % of Power Lines - Other Total Miles - Unknown % of Power Lines - Unknown
1 25.29% 284 3,485 23.67% 238.6 1.62% 8,145 55.32% 867.2 5.89% 1,987 13.5%
2 23.06% 321 3,010 21.76% 179.2 1.3% 9,396 67.94% 360.1 2.6% 885.2 6.4%
3 41.48% 259 4,131 40.6% 89.06 0.88% 5,331 52.4% 154 1.51% 468.4 4.6%
4 15.2% 362 1,732 14.49% 84.71 0.71% 9,616 80.46% 334 2.8% 185.6 1.55%
5 34.56% 107 2,332.5 34.55% 0.3976 0.01% 3,787 56.11% 178.2 2.64% 451.4 6.69%
6 60.59% 8 228.1 60.58% 0.04278 0.01% 136 36.12% 8.218 2.18% 4.156 1.1%
7 65.48% 73 5,360 65.26% 18.73 0.23% 2,042 24.87% 38.05 0.46% 754.7 9.19%
8 27.82% 248 3,901 27.3% 74.08 0.52% 8,976 62.83% 346.9 2.43% 989.4 6.92%
9 38.44% 27 1,693 38.17% 12.22 0.28% 2,503 56.44% 29.05 0.65% 198 4.46%
10 61.57% 59 2,817 61.55% 0.9049 0.02% 1,006 21.99% 27.97 0.61% 724.2 15.83%
11 63.02% 9 2,033 62.96% 1.852 0.06% 1,024 31.71% 27.36 0.85% 142.6 4.42%
12 14.86% 262 2,185 14.83% 3.482 0.02% 11,730 79.64% 412.6 2.8% 398.1 2.7%
13 40.29% 58 2,107 39.65% 33.81 0.64% 1,951 36.72% 82.6 1.55% 1,140 21.44%
14 16.09% 205 2,224 16.09% 0 0% 9,601 69.45% 336.4 2.43% 1,663 12.03%
15 51.63% 72 2,442 50.98% 31.24 0.65% 1,456 30.39% 102.7 2.14% 758.2 15.83%
16 28.33% 170 4,679 28.33% 0 0% 7,828 47.4% 127.3 0.77% 3,881 23.5%
17 32.04% 252 3,806 31.05% 121.7 0.99% 7,025 57.31% 255.9 2.09% 1,050 8.56%
18 17.08% 1 23.52 17.08% 0 0% 22.63 16.44% 0.6269 0.46% 90.92 66.03%
19 38.73% 123 3,223 38.66% 6.39 0.08% 2,963 35.54% 30.87 0.37% 2,115 25.36%
20 55.5% 29 3,328 55.5% 0 0% 1,234 20.59% 39.82 0.66% 1,394 23.25%
21 55.25% 82 5,665 55.25% 0 0% 2,484 24.22% 13.2 0.13% 2,091 20.4%
22 24.17% 44 1,206 24.17% 0 0% 1,550 31.08% 7.817 0.16% 2,225 44.6%
23 49.12% 62 4,867 49.12% 0 0% 2,293 23.14% 35.8 0.36% 2,713 27.38%
24 20.94% 1 93.61 20.94% 0 0% 118.2 26.44% 1.343 0.3% 233.9 52.32%
25 38.73% 23 1,433 38.73% 0 0% 947.4 25.6% 4.193 0.11% 1,316 35.55%
26 39.61% 11 1,223 39.61% 0 0% 643 20.83% 3.447 0.11% 1,218 39.45%
27 67.94% 53 3,159 67.94% 0 0% 266.3 5.73% 1.283 0.03% 1,223 26.3%
28 65.71% 46 6,426 65.71% 0 0% 1,965 20.1% 21.95 0.22% 1,366 13.97%
29 65.35% 23 3,381 65.35% 0 0% 781.8 15.11% 1.63 0.03% 1,010 19.51%
30 27.93% 7 164.2 27.93% 0 0% 139.6 23.74% 2.036 0.35% 282 47.98%
31 70.21% 23 3,409 70.21% 0 0% 695 14.32% 39.4 0.81% 711.9 14.66%
32 28.02% 27 1,553 28.02% 0 0% 1,487 26.82% 3.534 0.06% 2,500 45.1%
33 25.96% 10 857 25.96% 0 0% 962.6 29.16% 11.2 0.34% 1,471 44.54%
34 39.63% 10 1,765 39.63% 0 0% 978.7 21.98% 6.03 0.14% 1,703 38.25%
35 26.95% 18 993.6 26.95% 0 0% 935.8 25.39% 6.479 0.18% 1,750 47.48%
36 84.29% 26 4,390 84.29% 0 0% 110.9 2.13% 0.03629 0% 707.3 13.58%
37 74.82% 20 5,154 74.82% 0 0% 627.4 9.11% 3.466 0.05% 1,104 16.03%
38 48.56% 87 3,403 48.56% 0 0% 532.9 7.6% 0 0% 3,072 43.83%
39 75.5% 15 2,679 75.5% 0 0% 31.54 0.89% 0 0% 838.1 23.62%
40 53.37% 33 1,414 53.37% 0 0% 170.1 6.42% 0.03831 0% 1,065 40.2%
Source: Geographic data for primary and secondary distribution lines that Bear Valley Electric Service, PacifiCorp, Pacific Gas and Electric, Southern California Edison, and San Diego Gas and Electric reported to the Energy Safety Office, as of June 2021, and interviews with Energy Safety Office staff.
Note: Liberty Utilities did not provide consent to publish its detailed data.