Add Washington LIHEAP regular heating assistance

changelog.d/wa-liheap-wave2b.added.md

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+Add Washington LIHEAP (wa_liheap): FY2026 regular heating benefit from the Commerce benefit calculation worksheet with the 150% federal poverty guideline income test.

policyengine_us/parameters/gov/states/wa/commerce/liheap/fpg_rate.yaml

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+description: Washington limits household income to this share of the federal poverty guideline under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 1.5
+
+metadata:
+  unit: /1
+  period: year
+  label: Washington LIHEAP poverty guideline rate
+  reference:
+    - title: "FY2026 State Plan, section 2.1"
+      href: https://liheapch.acf.gov/docs/2026/state-plans/WA_Plan_2026.pdf#page=8

policyengine_us/parameters/gov/states/wa/commerce/liheap/fpg_year_lag.yaml

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+description: Washington uses the federal poverty guideline from this many years before the modeled fiscal year under the Low Income Home Energy Assistance Program.
+# FY2026 uses 2025 FPG; FY2027's threshold sheet uses 2026 FPG.
+# Compare exact annual amounts; provider monthly displays differ in rounding.
+values:
+  2025-10-01: 1
+
+metadata:
+  unit: year
+  period: year
+  label: Washington LIHEAP poverty guideline year lag
+  reference:
+    - title: "Byrd Barr FY2025-26 application, income table"
+      href: https://drive.google.com/file/d/18fvR5CL8UKpTj4Vsm7KlkitKUJclAvkR/view#page=1
+    - title: "PY27 LIHEAP eligibility guidelines"
+      href: https://deptofcommerce.app.box.com/s/3fp0xz4y2x2p4hedw9ww4sk7ma36srlx

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/business_sources.yaml

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+description: Washington uses these nonnegative net business income sources under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - self_employment_income
+    - sstb_self_employment_income
+    - farm_operations_income
+    - partnership_s_corp_income
+
+# Existing net inputs approximate allowable expenses and cannot reproduce
+# monthly loss floors or business-specific expense disallowances. Do not apply
+# the alternative 50% standard expense deduction to already-net income.
+metadata:
+  unit: list
+  period: year
+  label: Washington LIHEAP business sources
+  reference:
+    - title: "Byrd Barr FY2025-26 application, self-employment instructions #page 2,13"
+      href: https://drive.google.com/file/d/18fvR5CL8UKpTj4Vsm7KlkitKUJclAvkR/view#page=2
+    - title: "KCR currently linked LIHEAP self-employment worksheet"
+      href: https://www.kcr.org/wp-content/uploads/2018/08/Self-Employment-Form.pdf#page=1

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/earned_income_min_age.yaml

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+description: Washington counts earnings from people at or above this age under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 18
+
+metadata:
+  unit: year
+  period: year
+  label: Washington LIHEAP minimum age for countable earnings
+  reference:
+    - title: "FY2026 State Plan, section 1.9"
+      href: https://liheapch.acf.gov/docs/2026/state-plans/WA_Plan_2026.pdf#page=6

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/retirement_deduction_rate.yaml

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+description: Washington deducts this share of retirement income under the Low Income Home Energy Assistance Program.
+# Apply to the sources in retirement_sources.yaml only: pension income,
+# retirement-account distributions and military retirement income.
+# The full SSA/SSI subtype mapping is unverified; no deduction is imputed
+# for those sources. This can overstate countable income.
+values:
+  2025-10-01: 0.1
+
+metadata:
+  unit: /1
+  period: year
+  label: Washington LIHEAP retirement deduction rate
+  reference:
+    - title: "Commerce 2026 Weatherization Manual, Policy 1.1.2 incorporates LIHEAP income rules #page 14-15"
+      href: https://deptofcommerce.app.box.com/s/5a32797ex8tz2blo8nwtifecokpya37j#page=14

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/retirement_sources.yaml

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+description: Washington applies its modeled retirement deduction to these income sources under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - pension_income
+    - retirement_distributions
+    - military_retirement_income
+
+# Pension income already includes its pension and annuity components.
+# Military retirement income includes military survivor annuities.
+# Social Security, SSI, railroad and other survivor benefit subtype deductions
+# are unverified and are not assumed. Broad distributions lack lump-sum detail.
+metadata:
+  unit: list
+  period: year
+  label: Washington LIHEAP retirement sources
+  reference:
+    - title: "FY2026 State Plan, section 1.9"
+      href: https://liheapch.acf.gov/docs/2026/state-plans/WA_Plan_2026.pdf#page=6
+    - title: "Commerce 2026 Weatherization Manual, Policy 1.1.2 #page 14-15"
+      href: https://deptofcommerce.app.box.com/s/5a32797ex8tz2blo8nwtifecokpya37j#page=14

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/unearned_sources.yaml

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+description: Washington counts these unearned income sources without an additional deduction under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01:
+    - ssi
+    - general_assistance
+    - strike_benefits
+    - financial_assistance
+    - rental_income
+    - farm_rent_income
+    - alimony_income
+    - child_support_received
+    - interest_income
+    - ordinary_dividend_income
+    - railroad_benefits
+    - survivor_benefits
+    - workers_compensation
+
+# Income of minors is counted except earnings. TANF, State Family Assistance,
+# Refugee Cash Assistance and the state supplement to SSI (wa_ssp) are added
+# separately in the formula; general assistance represents other aid, such as
+# ABD, not those same payments again.
+# Workers' compensation counts with no deduction: plan section 1.9 has no
+# workers' compensation row, and Commerce Weatherization Manual Exhibit
+# 1.3.1A lists an L&I statement as income documentation.
+# FY2026 excludes VA benefits, insurance payments (disability_benefits and
+# life_insurance_benefits), one-time lump sums, refunds and balances. Broad
+# annual inputs cannot identify every exempt subtype.
+# Social Security is counted separately in the formula, net of the Medicare
+# Part B premium, and receives no retirement deduction.
+# Repayable loans, structured settlements, foster payments, jury pay and
+# royalties lack dedicated inputs. Work-study wages may be included in
+# employment income; do not add a duplicate amount or invent new inputs.
+# The FY2027 draft changes categories and is not adopted for this snapshot.
+metadata:
+  unit: list
+  period: year
+  label: Washington LIHEAP unearned sources
+  reference:
+    - title: "FY2026 State Plan, section 1.9 #page 5-7"
+      href: https://liheapch.acf.gov/docs/2026/state-plans/WA_Plan_2026.pdf#page=5
+    - title: Commerce 2026 Weatherization Manual, Exhibit 1.3.1A
+      href: https://deptofcommerce.app.box.com/s/5a32797ex8tz2blo8nwtifecokpya37j#page=445

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/unemployment_deduction_rate.yaml

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+description: Washington deducts this share of unemployment benefits under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 0.1
+
+metadata:
+  unit: /1
+  period: year
+  label: Washington LIHEAP unemployment deduction rate
+  reference:
+    - title: "Commerce 2026 Weatherization Manual, Policy 1.1.2 incorporates LIHEAP income rules #page 14-15"
+      href: https://deptofcommerce.app.box.com/s/5a32797ex8tz2blo8nwtifecokpya37j#page=14

policyengine_us/parameters/gov/states/wa/commerce/liheap/income/wage_deduction_rate.yaml

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+description: Washington deducts this share of payroll earnings taxed at payout under the Low Income Home Energy Assistance Program.
+# Existing employment income approximates payroll income taxed at payout.
+values:
+  2025-10-01: 0.2
+
+metadata:
+  unit: /1
+  period: year
+  label: Washington LIHEAP payroll wage deduction rate
+  reference:
+    - title: "Commerce 2026 Weatherization Manual, Policy 1.1.2, item 5.a(2)(a)"
+      href: https://deptofcommerce.app.box.com/s/5a32797ex8tz2blo8nwtifecokpya37j#page=15
+    - title: "Byrd Barr FY2025-26 application, income instructions"
+      href: https://drive.google.com/file/d/18fvR5CL8UKpTj4Vsm7KlkitKUJclAvkR/view#page=1

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/household_adjuster.yaml

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+description: Washington divides monthly income by this household-size adjuster under the Low Income Home Energy Assistance Program.
+# Preserve all 24 printed values. The award formula treats sizes beyond
+# the last published threshold as unsupported rather than extrapolating.
+brackets:
+  - threshold:
+      2025-10-01: 1
+    amount:
+      2025-10-01: 1
+  - threshold:
+      2025-10-01: 2
+    amount:
+      2025-10-01: 1.36
+  - threshold:
+      2025-10-01: 3
+    amount:
+      2025-10-01: 1.71
+  - threshold:
+      2025-10-01: 4
+    amount:
+      2025-10-01: 2.07
+  - threshold:
+      2025-10-01: 5
+    amount:
+      2025-10-01: 2.43
+  - threshold:
+      2025-10-01: 6
+    amount:
+      2025-10-01: 2.79
+  - threshold:
+      2025-10-01: 7
+    amount:
+      2025-10-01: 3.14
+  - threshold:
+      2025-10-01: 8
+    amount:
+      2025-10-01: 3.5
+  - threshold:
+      2025-10-01: 9
+    amount:
+      2025-10-01: 3.86
+  - threshold:
+      2025-10-01: 10
+    amount:
+      2025-10-01: 4.21
+  - threshold:
+      2025-10-01: 11
+    amount:
+      2025-10-01: 4.57
+  - threshold:
+      2025-10-01: 12
+    amount:
+      2025-10-01: 4.93
+  - threshold:
+      2025-10-01: 13
+    amount:
+      2025-10-01: 5.29
+  - threshold:
+      2025-10-01: 14
+    amount:
+      2025-10-01: 5.64
+  - threshold:
+      2025-10-01: 15
+    amount:
+      2025-10-01: 6
+  - threshold:
+      2025-10-01: 16
+    amount:
+      2025-10-01: 6.36
+  - threshold:
+      2025-10-01: 17
+    amount:
+      2025-10-01: 6.71
+  - threshold:
+      2025-10-01: 18
+    amount:
+      2025-10-01: 7.07
+  - threshold:
+      2025-10-01: 19
+    amount:
+      2025-10-01: 7.43
+  - threshold:
+      2025-10-01: 20
+    amount:
+      2025-10-01: 7.79
+  - threshold:
+      2025-10-01: 21
+    amount:
+      2025-10-01: 8.14
+  - threshold:
+      2025-10-01: 22
+    amount:
+      2025-10-01: 8.5
+  - threshold:
+      2025-10-01: 23
+    amount:
+      2025-10-01: 8.86
+  - threshold:
+      2025-10-01: 24
+    amount:
+      2025-10-01: 9.21
+
+metadata:
+  type: single_amount
+  threshold_unit: person
+  amount_unit: /1
+  period: year
+  label: Washington LIHEAP household-size adjuster
+  reference:
+    - title: "FY2026 Benefit Matrix, household adjuster table #page 1-2"
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/WA_BenefitMatrix_2026.pdf#page=1

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/income_constant.yaml

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+description: Washington subtracts adjusted monthly income from this constant under the Low Income Home Energy Assistance Program.
+# Preserve the FY2026-labelled worksheet's constants. Its embedded poverty
+# table is older; annual recalibration was not recovered.
+values:
+  2025-10-01: 3648.1
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Washington LIHEAP monthly income constant
+  reference:
+    - title: "FY2026 Benefit Matrix, Actual and Surrogate Heat Cost worksheet"
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/WA_BenefitMatrix_2026.pdf#page=1

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/intermediate_rounding_increment.yaml

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+description: Washington carries intermediate worksheet values at this modeled precision under the Low Income Home Energy Assistance Program.
+# Modeling convention: round the income/adjuster and subsequent quotient
+# to two decimal places, with half-up ties. The printed 0.46 and 0.84 carry
+# into the $336 example; the full tie convention is not explicit in policy.
+values:
+  2025-10-01: 0.01
+
+metadata:
+  unit: /1
+  period: year
+  label: Washington LIHEAP intermediate worksheet rounding increment
+  reference:
+    - title: "FY2026 Benefit Matrix, Actual and Surrogate Heat Cost worksheet"
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/WA_BenefitMatrix_2026.pdf#page=1

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/maximum.yaml

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+description: Washington provides at most this regular heating benefit under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 1250
+
+metadata:
+  unit: currency-USD
+  period: year
+  label: Washington LIHEAP maximum regular benefit
+  reference:
+    - title: "FY2026 State Plan, section 2.6"
+      href: https://liheapch.acf.gov/docs/2026/state-plans/WA_Plan_2026.pdf#page=10

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/minimum.yaml

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+description: Washington provides this scheduled minimum heating benefit under the Low Income Home Energy Assistance Program.
+# The minimum-adjusted award is capped at actual heating cost.
+# Thus positive costs below $250 may produce a smaller modeled payment.
+# Heat included in rent with a known fuel and no reported cost receives this
+# minimum with no cost cap.
+values:
+  2025-10-01: 250
+
+metadata:
+  unit: currency-USD
+  period: year
+  label: Washington LIHEAP scheduled minimum benefit
+  reference:
+    - title: "FY2026 State Plan, section 2.6"
+      href: https://liheapch.acf.gov/docs/2026/state-plans/WA_Plan_2026.pdf#page=10

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/multiplier_constant.yaml

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+description: Washington subtracts the rounded worksheet quotient from this constant under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 1.3
+
+metadata:
+  unit: /1
+  period: year
+  label: Washington LIHEAP heat-cost multiplier constant
+  reference:
+    - title: "FY2026 Benefit Matrix, Actual and Surrogate Heat Cost worksheet"
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/WA_BenefitMatrix_2026.pdf#page=1

policyengine_us/parameters/gov/states/wa/commerce/liheap/payment/quotient_numerator.yaml

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+description: Washington divides this amount by the worksheet denominator under the Low Income Home Energy Assistance Program.
+values:
+  2025-10-01: 1460.8
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Washington LIHEAP worksheet quotient numerator
+  reference:
+    - title: "FY2026 Benefit Matrix, Actual and Surrogate Heat Cost worksheet"
+      href: https://liheapch.acf.gov/docs/2026/benefits-matricies/WA_BenefitMatrix_2026.pdf#page=1

policyengine_us/programs.yaml

@@ -987,7 +987,7 @@ programs:
     category: Benefits
     agency: HHS
     status: partial
-    coverage: AR, AL, AZ, DC, GA, Riverside County, MA, FL, IL, IA, IN, KS, KY, MD, MS, NC, NE, NJ, NY, OH, OK, OR, SD, RI, TX, VA
+    coverage: AR, AL, AZ, DC, GA, Riverside County, MA, FL, IL, IA, IN, KS, KY, MD, MS, NC, NE, NJ, NY, OH, OK, OR, SD, RI, TX, VA, WA
     state_implementations:
       - state: AL
         status: partial
@@ -1178,6 +1178,14 @@ programs:
         parameter_prefix: gov.states.va.dss.eap
         verified_years: "2026"
         notes: FFY2026 Fuel Assistance only, using the latest published (FFY2025) value per point and placeholder fuel-type and energy-burden points until VDSS publishes its survey. Crisis, cooling and weatherization assistance are out of scope.
+      - state: WA
+        status: partial
+        name: Washington LIHEAP
+        full_name: Washington Low Income Home Energy Assistance Program
+        variable: wa_liheap
+        parameter_prefix: gov.states.wa.commerce.liheap
+        verified_years: "2026"
+        notes: FY2026 regular heating from reported annual heating costs, with the $250 minimum when heat is included in rent. Crisis, cooling, weatherization and equipment assistance are out of scope.
 
   # --- SSA programs ---
   - id: ssi