20231228Exhibit 10.pdf

Intermountain Gas Company
Lateral Summary Tables – Other Scenarios
2023 – 2028
Exhibit No. 10
Lateral Capacity Summary By Year, Weather: Design, Growth: High
2023 Base Year (Dth)
Area of Interest Total Peak Day Existing Capacity
Existing
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 86,385 90,400 96% - 90,400 96%
SUN VALLEY 20,031 20,000 100% 4,750 24,750 81%
CANYON COUNTY 101,621 103,200 98% 35,800 139,000 73%
STATE STREET 75,516 82,000 92% - 82,000 92%
CENTRAL ADA 73,152 74,500 98% 12,500 87,000 84%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 88,551 90,400 98% 18,900 109,300 81%
SUN VALLEY 20,540 24,750 83% - 24,750 83%
CANYON COUNTY 106,136 139,000 76% - 139,000 76%
STATE STREET 78,218 82,000 95% - 82,000 95%
CENTRAL ADA 75,748 87,000 87% - 87,000 87%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 91,350 109,300 84% - 109,300 84%
SUN VALLEY 20,856 24,750 84% - 24,750 84%
CANYON COUNTY 109,933 139,000 79% - 139,000 79%
STATE STREET 80,280 82,000 98% 13,000 95,000 85%
CENTRAL ADA 77,760 87,000 89% - 87,000 89%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 93,536 109,300 86% - 109,300 86%
SUN VALLEY 21,269 24,750 86% - 24,750 86%
CANYON COUNTY 113,703 139,000 82% - 139,000 82%
STATE STREET 82,419 95,000 87% - 95,000 87%
CENTRAL ADA 79,834 87,000 92% - 87,000 92%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 95,512 109,300 87% - 109,300 87%
SUN VALLEY 21,567 24,750 87% - 24,750 87%
CANYON COUNTY 117,119 139,000 84% - 139,000 84%
STATE STREET 83,950 95,000 88% - 95,000 88%
CENTRAL ADA 81,346 87,000 94% - 87,000 94%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 97,457 109,300 89% - 109,300 89%
SUN VALLEY 21,855 24,750 88% - 24,750 88%
CANYON COUNTY 120,553 139,000 87% - 139,000 87%
STATE STREET 85,624 95,000 90% - 95,000 90%
CENTRAL ADA 82,999 87,000 95% - 87,000 95%
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Lateral Capacity Summary By Year, Weather: Design, Growth: Low
2023 Base Year (Dth)
Area of Interest Total Peak Day Existing Capacity
Existing
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 85,792 90,400 95% - 90,400 95%
SUN VALLEY 19,944 20,000 100% 4,750 24,750 81%
CANYON COUNTY 101,080 103,200 98% 35,800 139,000 73%
STATE STREET 75,089 82,000 92% - 82,000 92%
CENTRAL ADA 72,758 74,500 98% 12,500 87,000 84%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 84,371 90,400 93% 18,900 109,300 77%
SUN VALLEY 19,969 24,750 81% - 24,750 81%
CANYON COUNTY 102,256 139,000 74% - 139,000 74%
STATE STREET 75,329 82,000 92% - 82,000 92%
CENTRAL ADA 73,089 87,000 84% - 87,000 84%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 85,381 109,300 78% - 109,300 78%
SUN VALLEY 20,101 24,750 81% - 24,750 81%
CANYON COUNTY 104,283 139,000 75% - 139,000 75%
STATE STREET 76,151 82,000 93% 13,000 95,000 80%
CENTRAL ADA 73,954 87,000 85% - 87,000 85%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 86,488 109,300 79% - 109,300 79%
SUN VALLEY 20,271 24,750 82% - 24,750 82%
CANYON COUNTY 106,877 139,000 77% - 139,000 77%
STATE STREET 77,415 95,000 81% - 95,000 81%
CENTRAL ADA 75,229 87,000 86% - 87,000 86%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 87,520 109,300 80% - 109,300 80%
SUN VALLEY 20,491 24,750 83% - 24,750 83%
CANYON COUNTY 109,139 139,000 79% - 139,000 79%
STATE STREET 78,824 95,000 83% - 95,000 83%
CENTRAL ADA 76,624 87,000 88% - 87,000 88%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 88,476 109,300 81% - 109,300 81%
SUN VALLEY 20,642 24,750 83% - 24,750 83%
CANYON COUNTY 112,053 139,000 81% - 139,000 81%
STATE STREET 79,768 95,000 84% - 95,000 84%
CENTRAL ADA 77,590 87,000 89% - 87,000 89%
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Lateral Capacity Summary By Year, Weather: Normal, Growth: Base
2023 Base Year (Dth)
Area of Interest Total Peak Day Existing Capacity
Existing
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 57,202 90,400 63% - 90,400 63%
SUN VALLEY 12,463 20,000 62% 4,750 24,750 50%
CANYON COUNTY 62,814 103,200 61% 35,800 139,000 45%
STATE STREET 37,854 82,000 46% - 82,000 46%
CENTRAL ADA 36,577 74,500 49% 12,500 87,000 42%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 56,881 90,400 63% 18,900 109,300 52%
SUN VALLEY 12,607 24,750 51% - 24,750 51%
CANYON COUNTY 64,166 139,000 46% - 139,000 46%
STATE STREET 38,548 82,000 47% - 82,000 47%
CENTRAL ADA 37,263 87,000 43% - 87,000 43%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 57,870 109,300 53% - 109,300 53%
SUN VALLEY 12,748 24,750 52% - 24,750 52%
CANYON COUNTY 65,722 139,000 47% - 139,000 47%
STATE STREET 39,246 82,000 48% 13,000 95,000 41%
CENTRAL ADA 37,953 87,000 44% - 87,000 44%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 58,742 109,300 54% - 109,300 54%
SUN VALLEY 12,885 24,750 52% - 24,750 52%
CANYON COUNTY 67,253 139,000 48% - 139,000 48%
STATE STREET 39,944 95,000 42% - 95,000 42%
CENTRAL ADA 38,643 87,000 44% - 87,000 44%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 59,649 109,300 55% - 109,300 55%
SUN VALLEY 13,020 24,750 53% - 24,750 53%
CANYON COUNTY 68,620 139,000 49% - 139,000 49%
STATE STREET 40,643 95,000 43% - 95,000 43%
CENTRAL ADA 39,335 87,000 45% - 87,000 45%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 60,507 109,300 55% - 109,300 55%
SUN VALLEY 13,151 24,750 53% - 24,750 53%
CANYON COUNTY 70,014 139,000 50% - 139,000 50%
STATE STREET 41,346 95,000 44% - 95,000 44%
CENTRAL ADA 40,030 87,000 46% - 87,000 46%
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Lateral Capacity Summary By Year, Weather: Normal, Growth: High
2023 Base Year (Dth)
Area of Interest Total Peak Day Existing Capacity
Existing
Capacity
Capacity
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Capacity
% of Existing +
Upgrade Capacity
IDAHO FALLS 57,229 90,400 63% - 90,400 63%
SUN VALLEY 12,466 20,000 62% 4,750 24,750 50%
CANYON COUNTY 62,814 103,200 61% 35,800 139,000 45%
STATE STREET 37,854 82,000 46% - 82,000 46%
CENTRAL ADA 36,577 74,500 49% 12,500 87,000 42%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 57,981 90,400 64% 18,900 109,300 53%
SUN VALLEY 12,780 24,750 52% - 24,750 52%
CANYON COUNTY 65,151 139,000 47% - 139,000 47%
STATE STREET 39,249 82,000 48% - 82,000 48%
CENTRAL ADA 37,909 87,000 44% - 87,000 44%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 59,529 109,300 54% - 109,300 54%
SUN VALLEY 12,956 24,750 52% - 24,750 52%
CANYON COUNTY 67,036 139,000 48% - 139,000 48%
STATE STREET 40,236 82,000 49% 13,000 95,000 42%
CENTRAL ADA 38,867 87,000 45% - 87,000 45%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 60,765 109,300 56% - 109,300 56%
SUN VALLEY 13,199 24,750 53% - 24,750 53%
CANYON COUNTY 69,064 139,000 50% - 139,000 50%
STATE STREET 41,230 95,000 43% - 95,000 43%
CENTRAL ADA 39,832 87,000 46% - 87,000 46%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 61,827 109,300 57% - 109,300 57%
SUN VALLEY 13,369 24,750 54% - 24,750 54%
CANYON COUNTY 70,674 139,000 51% - 139,000 51%
STATE STREET 41,948 95,000 44% - 95,000 44%
CENTRAL ADA 40,538 87,000 47% - 87,000 47%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 62,836 109,300 57% - 109,300 57%
SUN VALLEY 13,521 24,750 55% - 24,750 55%
CANYON COUNTY 72,353 139,000 52% - 139,000 52%
STATE STREET 42,761 95,000 45% - 95,000 45%
CENTRAL ADA 41,337 87,000 48% - 87,000 48%
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Lateral Capacity Summary By Year, Weather: Normal, Growth: Low
2023 Base Year (Dth)
Area of Interest Total Peak Day Existing Capacity
Existing
Capacity
Capacity
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Upgrade
Capacity
% of Existing +
Upgrade Capacity
IDAHO FALLS 57,175 90,400 63% - 90,400 63%
SUN VALLEY 12,460 20,000 62% 4,750 24,750 50%
CANYON COUNTY 62,814 103,200 61% 35,800 139,000 45%
STATE STREET 37,854 82,000 46% - 82,000 46%
CENTRAL ADA 36,577 74,500 49% 12,500 87,000 42%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 55,677 90,400 62% 18,900 109,300 51%
SUN VALLEY 12,450 24,750 50% - 24,750 50%
CANYON COUNTY 63,227 139,000 45% - 139,000 45%
STATE STREET 37,836 82,000 46% - 82,000 46%
CENTRAL ADA 36,610 87,000 42% - 87,000 42%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 56,269 109,300 51% - 109,300 51%
SUN VALLEY 12,523 24,750 51% - 24,750 51%
CANYON COUNTY 64,318 139,000 46% - 139,000 46%
STATE STREET 38,174 82,000 47% 13,000 95,000 40%
CENTRAL ADA 36,971 87,000 42% - 87,000 42%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 56,847 109,300 52% - 109,300 52%
SUN VALLEY 12,608 24,750 51% - 24,750 51%
CANYON COUNTY 65,609 139,000 47% - 139,000 47%
STATE STREET 38,733 95,000 41% - 95,000 41%
CENTRAL ADA 37,534 87,000 43% - 87,000 43%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 57,387 109,300 53% - 109,300 53%
SUN VALLEY 12,734 24,750 51% - 24,750 51%
CANYON COUNTY 66,680 139,000 48% - 139,000 48%
STATE STREET 39,395 95,000 41% - 95,000 41%
CENTRAL ADA 38,188 87,000 44% - 87,000 44%
Area of Interest Total Peak Day Existing Capacity
% of
Capacity
Capacity
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Capacity
% of Existing +
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IDAHO FALLS 57,899 109,300 53% - 109,300 53%
SUN VALLEY 12,809 24,750 52% - 24,750 52%
CANYON COUNTY 68,134 139,000 49% - 139,000 49%
STATE STREET 39,816 95,000 42% - 95,000 42%
CENTRAL ADA 38,618 87,000 44% - 87,000 44%
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