Add South Carolina LIHEAP regular heating assistance

changelog.d/sc-liheap-wave2c.added.md

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+Add South Carolina LIHEAP regular heating assistance for FY2026, with countable income, the federal 110% poverty floor and statewide supplements.

policyengine_us/parameters/gov/states/sc/oeo/liheap/eligibility/fpg_year_lag.yaml

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+description: South Carolina uses federal poverty guidelines from this many years before the benefit year under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 1
+metadata:
+  unit: year
+  period: year
+  label: South Carolina LIHEAP poverty guideline year lag
+  reference:
+    - title: LIHEAP IM 2025-02, Attachment 2, poverty guidelines for mandatory use in FY26
+      href: https://acf.gov/sites/default/files/documents/ocs/COMM_LIHEAP_IM2025-02_FPGSte-Table_Att2.pdf#page=1

policyengine_us/parameters/gov/states/sc/oeo/liheap/eligibility/smi_rate.yaml

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+description: South Carolina limits income to this share of state median income under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 0.6
+metadata:
+  unit: /1
+  period: year
+  label: South Carolina LIHEAP SMI limit rate
+  reference:
+    - title: South Carolina FY2026 LIHEAP Detailed Model Plan, item 2.1
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=8

policyengine_us/parameters/gov/states/sc/oeo/liheap/income/adult_min_age.yaml

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+description: South Carolina counts the earned and unearned income sources at or above this age, and only the minor unearned income sources below it, under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 18
+metadata:
+  unit: year
+  period: year
+  label: South Carolina LIHEAP adult income age
+  reference:
+    - title: South Carolina FY2026 LIHEAP Detailed Model Plan, item 1.9
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=6
+    - title: South Carolina 2024 Administrative Guide, income from minors
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20South%20Carolina%20LIHEAP%20Model%20Plan%20w%20Attachments.pdf#page=529

policyengine_us/parameters/gov/states/sc/oeo/liheap/income/earned_sources.yaml

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+description: South Carolina counts these earned income sources under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - employment_income
+    # Active-duty basic pay, entered apart from employment_income; enter it in one
+    # of the two.
+    - military_basic_pay
+    - self_employment_income
+    - sstb_self_employment_income
+    - farm_operations_income
+    - partnership_s_corp_income
+metadata:
+  unit: list
+  period: year
+  label: South Carolina LIHEAP earned income sources
+  reference:
+    - title: "South Carolina FY2026 LIHEAP Detailed Model Plan, items 1.8-1.9 #page 5-6"
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=5

policyengine_us/parameters/gov/states/sc/oeo/liheap/income/minor_unearned_sources.yaml

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+description: South Carolina counts these unearned income sources of household members younger than the adult income age under the Low Income Home Energy Assistance Program.
+# The guide names "Social Security or Disability income". SSI is read as a child's
+# disability income, and disability_benefits carries other disability income.
+values:
+  2025-10-01:
+    - social_security
+    - ssi
+    - disability_benefits
+metadata:
+  unit: list
+  period: year
+  label: South Carolina LIHEAP minor unearned income sources
+  reference:
+    - title: South Carolina 2024 Administrative Guide, income from minors
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20South%20Carolina%20LIHEAP%20Model%20Plan%20w%20Attachments.pdf#page=529

policyengine_us/parameters/gov/states/sc/oeo/liheap/income/unearned_sources.yaml

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+description: South Carolina counts these unearned income sources of adult household members under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - total_unemployment_compensation
+    - social_security
+    - ssi
+    # Optional State Supplementation, paid with SSI to care-facility residents.
+    - sc_ssi_state_supplement
+    - pension_income
+    # Military retirement includes Survivor Benefit Plan annuities.
+    - military_retirement_income
+    - railroad_benefits
+    # Ongoing IRA/401k receipts are separate from pension_income.
+    # Annual inputs cannot identify excluded one-time retirement lump sums.
+    - retirement_distributions
+    - survivor_benefits
+    - rental_income
+    - farm_rent_income
+    - alimony_income
+    - child_support_received
+    - veterans_benefits
+    - financial_assistance
+metadata:
+  unit: list
+  period: year
+  label: South Carolina LIHEAP unearned income sources
+  reference:
+    - title: South Carolina FY2026 LIHEAP Detailed Model Plan, item 1.9
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=6

policyengine_us/parameters/gov/states/sc/oeo/liheap/payment/ages.yaml

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+description: South Carolina uses these age thresholds for regular heating supplements under the Low Income Home Energy Assistance Program.
+elderly_min:
+  2025-10-01: 60
+# The child maximum is completed age; five-year-olds remain covered until six.
+child_max:
+  2025-10-01: 5
+metadata:
+  unit: year
+  period: year
+  label: South Carolina LIHEAP supplement age thresholds
+  reference:
+    - title: "South Carolina FY2026 LIHEAP Detailed Model Plan, items 2.3-2.5 #page 8-9"
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=8

policyengine_us/parameters/gov/states/sc/oeo/liheap/payment/amounts.yaml

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+description: South Carolina provides these base and supplemental regular heating amounts under the Low Income Home Energy Assistance Program.
+base:
+  2025-10-01: 200
+elderly:
+  2025-10-01: 75
+child:
+  2025-10-01: 50
+disabled:
+  2025-10-01: 50
+veteran:
+  2025-10-01: 50
+low_income:
+  2025-10-01: 175
+high_burden:
+  2025-10-01: 175
+fuel:
+  2025-10-01: 75
+maximum:
+  2025-10-01: 850
+metadata:
+  unit: currency-USD
+  period: year
+  label: South Carolina LIHEAP regular heating amounts
+  reference:
+    - title: "South Carolina FY2026 LIHEAP Detailed Model Plan, items 2.3, 2.5 and 2.6 #page 8-9"
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=8

policyengine_us/parameters/gov/states/sc/oeo/liheap/payment/burden_rate.yaml

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+description: South Carolina awards a high-burden supplement at or above this energy-cost share of income under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 0.2
+metadata:
+  unit: /1
+  period: year
+  label: South Carolina LIHEAP high energy burden rate
+  reference:
+    - title: South Carolina FY2026 LIHEAP Detailed Model Plan, item 2.5
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=9

policyengine_us/parameters/gov/states/sc/oeo/liheap/payment/energy_cost_sources.yaml

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+description: South Carolina uses these represented home-energy bills for the energy-bill requirement and the energy-burden calculation under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - pre_subsidy_electricity_expense
+    - gas_expense
+    - bottled_gas_expense
+    - fuel_oil_expense
+    - wood_expense
+    - coal_expense
+    - other_heating_fuel_expense
+metadata:
+  unit: list
+  period: year
+  label: South Carolina LIHEAP home energy cost sources
+  reference:
+    - title: South Carolina FY2026 LIHEAP Detailed Model Plan, item 2.5
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=9
+    - title: "South Carolina 2024 Administrative Guide, home energy bill #page 536-537"
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20South%20Carolina%20LIHEAP%20Model%20Plan%20w%20Attachments.pdf#page=536

policyengine_us/parameters/gov/states/sc/oeo/liheap/payment/low_income_limit_rate.yaml

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+description: South Carolina awards a low-income supplement at or below this share of the household's income limit under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 0.3
+metadata:
+  unit: /1
+  period: year
+  label: South Carolina LIHEAP low-income limit rate
+  reference:
+    - title: "South Carolina FY2026 LIHEAP Detailed Model Plan, items 2.3 and 2.5 #page 8-9"
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20LIHEAP%20State%20Plan.pdf#page=8
+    - title: "South Carolina draft 2026 LIHEAP Administrative Guide, plan attachment #page 311-312,338"
+      href: https://oeo.sc.gov/managedsites/prd/oeo/documents/2026%20South%20Carolina%20LIHEAP%20Model%20Plan%20w%20Attachments.pdf#page=311

policyengine_us/parameters/gov/states/sc/oeo/liheap/payment/supplement_fuels.yaml

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+description: South Carolina awards a supplement for these heating fuels under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - NATURAL_GAS
+    - FUEL_OIL
+    - KEROSENE
+    - PROPANE
+metadata:
+  unit: list
+  period: year
+  label: South Carolina LIHEAP supplement heating fuels
+  reference:
+    - title: South Carolina 2026 Benefit Matrix, item 6
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/SC_BenefitMatrix_2026.pdf#page=2

policyengine_us/programs.yaml

@@ -987,7 +987,7 @@ programs:
     category: Benefits
     agency: HHS
     status: partial
-    coverage: AK, AR, AL, AZ, CO, DC, DE, GA, HI, Riverside County, MA, FL, IL, IA, IN, KS, KY, LA, MD, ME, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, SD, RI, TN, TX, UT, VA, VT, WA, WI, WY
+    coverage: AK, AR, AL, AZ, CO, DC, DE, GA, HI, Riverside County, MA, FL, IL, IA, IN, KS, KY, LA, MD, ME, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, SC, SD, RI, TN, TX, UT, VA, VT, WA, WI, WY
     state_implementations:
       - state: AL
         status: partial
@@ -1267,6 +1267,14 @@ programs:
         parameter_prefix: gov.states.or.ohcs.liheap
         verified_years: "2025-2027"
         notes: PY2025-PY2027 regular heating only, with the two county regions, five fuel columns and the roomer half payment. Crisis, cooling, Fuel Payment, equipment and OEAP assistance are out of scope.
+      - state: SC
+        status: partial
+        name: South Carolina LIHEAP
+        full_name: South Carolina Low Income Home Energy Assistance Program
+        variable: sc_liheap
+        parameter_prefix: gov.states.sc.oeo.liheap
+        verified_years: "2026"
+        notes: FY2026 regular heating base amount with demographic, fuel, low-income and high-burden supplements. Crisis, cooling, weatherization and equipment assistance are out of scope.
       - state: SD
         status: partial
         name: South Dakota LIEAP