Add Mississippi LIHEAP regular heating assistance

changelog.d/ms-liheap.added.md

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+Add Mississippi LIHEAP regular assistance for heating fuel and electric bills (FY2026).

policyengine_us/parameters/gov/states/ms/mdhs/liheap/adult_age.yaml

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+description: Mississippi sets this minimum age for the applicant and for counting earned income under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 18
+metadata:
+  unit: year
+  period: year
+  label: Mississippi LIHEAP adult age
+  reference:
+    - title: Mississippi LIHEAP Policy Manual, Rule 6.1 D, Rule 6.11 D(3) and Rule 6.11 J(1), pages 22, 30 and 33
+      href: https://www.sos.ms.gov/adminsearch/ACCode/00000693c.pdf#page=22

policyengine_us/parameters/gov/states/ms/mdhs/liheap/electric_maximum_payment.yaml

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+description: Mississippi provides this amount as the first income band electric bill cap to households whose main heating fuel is not electricity under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 700
+metadata:
+  unit: currency-USD
+  period: year
+  label: Mississippi LIHEAP first income band electric bill cap
+  reference:
+    - title: Mississippi FY2026 benefit matrix, Electric column, pages 1-6
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=1
+    - title: Mississippi LIHEAP Policy Manual, Rule 7.8 C and D, page 39
+      href: https://www.sos.ms.gov/adminsearch/ACCode/00000693c.pdf#page=39

policyengine_us/parameters/gov/states/ms/mdhs/liheap/electric_payment_reduction.yaml

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+description: Mississippi reduces the electric bill cap by this amount for each income band above the first under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 50
+metadata:
+  unit: currency-USD
+  period: year
+  label: Mississippi LIHEAP electric bill cap reduction
+  reference:
+    - title: Mississippi FY2026 benefit matrix, Electric column, pages 1-6
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=1

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/1.yaml

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+description: Mississippi sets these income bands for an eligible household of 1 member under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 3_913
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 7_825
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 11_738
+    amount:
+      2025-10-01: 4
+  - threshold:
+      2025-10-01: 15_650
+    amount:
+      2025-10-01: 5
+  - threshold:
+      2025-10-01: 19_563
+    amount:
+      2025-10-01: 6
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 1
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 1, page 1
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=1

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/10.yaml

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+description: Mississippi sets these income bands for an eligible household of 10 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 16_288
+    amount:
+      2025-10-01: 2
+  # The matrix prints 35,325 as the second-band top; encoded as published.
+  - threshold:
+      2025-10-01: 35_325
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 48_863
+    amount:
+      2025-10-01: 4
+  - threshold:
+      2025-10-01: 65_150
+    amount:
+      2025-10-01: 5
+  # The matrix prints no band above 72,507, below the size-10 income limit of
+  # 74,050. Zero denotes an interval not covered by the published matrix.
+  - threshold:
+      2025-10-01: 72_507
+    amount:
+      2025-10-01: 0
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 10
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 10, page 4
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=4

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/11.yaml

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+description: Mississippi sets these income bands for an eligible household of 11 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  # The matrix prints 0-17,633 and then 17,664-35,325. Zero denotes the interval
+  # 17,634-17,663, which the published matrix does not cover.
+  - threshold:
+      2025-10-01: 17_633
+    amount:
+      2025-10-01: 0
+  - threshold:
+      2025-10-01: 17_663
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 35_325
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 52_988
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 11
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 11, page 4
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=4

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/12.yaml

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+description: Mississippi sets these income bands for an eligible household of 12 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 19_038
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 38_075
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 57_113
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 12
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 12, page 4
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=4

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/13.yaml

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+description: Mississippi sets these income bands for an eligible household of 13 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 20_413
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 40_825
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 61_238
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 13
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 13, page 4
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=4

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/14.yaml

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+description: Mississippi sets these income bands for an eligible household of 14 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 21_788
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 43_575
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 65_363
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 14
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 14, page 5
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=5

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/15.yaml

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+description: Mississippi sets these income bands for an eligible household of 15 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 23_163
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 46_325
+    amount:
+      2025-10-01: 3
+  # The matrix prints 46,326-68,488 and then 69,489-81,764. Zero denotes the
+  # interval 68,489-69,488, which the published matrix does not cover.
+  - threshold:
+      2025-10-01: 68_488
+    amount:
+      2025-10-01: 0
+  - threshold:
+      2025-10-01: 69_488
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 15
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 15, page 5
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=5

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/16.yaml

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+description: Mississippi sets these income bands for an eligible household of 16 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 24_538
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 49_075
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 73_613
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 16
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 16, page 5
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=5

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/17.yaml

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+description: Mississippi sets these income bands for an eligible household of 17 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 25_913
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 51_825
+    amount:
+      2025-10-01: 3
+  - threshold:
+      2025-10-01: 77_738
+    amount:
+      2025-10-01: 4
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 17
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 17, page 5
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=5

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/18.yaml

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+description: Mississippi sets these income bands for an eligible household of 18 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 27_288
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 54_575
+    amount:
+      2025-10-01: 3
+  # The matrix prints no band above 84,849, below the size-18 income limit of
+  # 86,392. Zero denotes an interval not covered by the published matrix.
+  - threshold:
+      2025-10-01: 84_849
+    amount:
+      2025-10-01: 0
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 18
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 18, page 6
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=6

policyengine_us/parameters/gov/states/ms/mdhs/liheap/income_bands/19.yaml

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+description: Mississippi sets these income bands for an eligible household of 19 members under the Low Income Home Energy Assistance Program.
+brackets:
+  - threshold:
+      2025-10-01: -.inf
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 28_663
+    amount:
+      2025-10-01: 2
+  - threshold:
+      2025-10-01: 57_325
+    amount:
+      2025-10-01: 3
+metadata:
+  type: single_amount
+  threshold_unit: currency-USD
+  amount_unit: /1
+  period: year
+  label: Mississippi LIHEAP income bands for household size 19
+  reference:
+    - title: Mississippi FY2026 benefit matrix, household size 19, page 6
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/MS_BenefitMatrix_Heat-Cool_2026.pdf#page=6