Long-term Contract for Purchase of Electric Power, Capacity

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- Definition

Long-term Contract for Purchase of Electric Power, Contract Costs

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- Definition

Long-term Purchase Commitment, Contractual Period

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- Definition

Long-term Purchase Commitment, Cost

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- Definition

Long-term Purchase Commitment, Demand Charges

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- Definition

Long-term Purchase Commitment, Energy Average Cost

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- Definition

Long-term Purchase Commitment, Energy Provided During Period

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- Definition

Long-term Purchase Commitment, Entity's Minimum Percentage of Daily Obligation

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No definition available.

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- Definition

Long-term Purchase Commitment, Number of Purchase Commitments

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- Definition

Long-term Purchase Commitment, Supplier's Minimum Percentage of Daily Obligation

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No definition available.

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.D)
-URI http://asc.fasb.org/extlink&oid=122136240&loc=d3e659339-123030

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- Definition

Under long-term contracts with public utility districts, cooperatives or other organizations, a utility company receives a portion of the output of a production plant constructed and financed by the district or cooperative. The utility has only a nominal or no investment at all in the plant but pays a proportionate part of the plant's costs, including debt service. If the utility is obligated to pay certain minimum amounts which cover debt service requirements whether or not the plant is operating, the amount can be disclosed here.

+ References

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- Definition

Estimated annual cost to purchase electricity under a long-term contract from a production plant constructed and financed by a public utility district, cooperative, or other organization.

+ References

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- Definition

The allocable portion of interest included in charges under a long-term contract to purchase electric power.

+ References

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- Definition

Share of plant output being purchased under a long-term contract to purchase electricity from a production plant constructed and financed by a public utility district, cooperative, or other organization.

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

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- Definition

Amount of purchase arrangement to be paid after fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Commitments and Contingencies (Details)	1 Months Ended	12 Months Ended
Commitments and Contingencies (Details)	Mar. 31, 2021 MW	Dec. 31, 2021 USD ($) MWh Contracts MW	Dec. 31, 2020 USD ($) MWh	Dec. 31, 2019 USD ($) MWh
Long-term Purchase Commitment [Line Items]
Long-term Line of Credit, Noncurrent		$ 33,300,000	$ 14,700,000
Average cost of Company's energy output (US$ per kWh)		$ 0.034
Number of Public Utility Districts with long term purchase agreements \| Contracts		3
Contract expenses		$ 117,812,000	$ 116,874,000	$ 87,135,000
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased		13.30%
Long-term Contract for Purchase of Electric Power, Capacity \| MW		851
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost		$ 134,103,000
Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required		18,918,000
Long-term Contract for Purchase of Electric Power, Interest Included in Contract Charges		8,474,000
Long-term Contract for Purchase of Electric Power, Amount of Long-term Debt or Lease Obligation Outstanding		158,785,000
Payment Obligations for Power Purchases
2022		781,594,000
2023		576,787,000
2024		581,604,000
2025		480,361,000
2026		277,762,000
Thereafter		2,176,374,000
Total		$ 4,874,482,000
Total energy obtained during period under purchased power contracts (MWh) \| MWh		13.1	13.2	12.5
Cost incurred during period to provide energy under purchased power contracts		$ 631,400,000	$ 491,700,000	$ 550,600,000
Daily take obligation under long-term service contract (percent)		100.00%
Daily delivery obligation under long-term service contract (percent)		100.00%
Natural Gas [Member]
Payment Obligations for Power Purchases
2022		$ 564,580,000
2023		299,400,000
2024		210,198,000
2025		153,054,000
2026		98,725,000
Thereafter		0
Total		1,325,957,000
Colombia River Projects [Member]
Payment Obligations for Power Purchases
2022		151,378,000
2023		136,635,000
2024		134,188,000
2025		124,724,000
2026		123,243,000
Thereafter		421,272,000
Non-Utility Generators [Member]
Payment Obligations for Power Purchases
Total		448,841,000
Firm Transportation Service [Member]
Payment Obligations for Power Purchases
2022		177,185,000
2023		166,153,000
2024		131,611,000
2025		114,470,000
2026		98,847,000
Thereafter		694,279,000
Total		1,382,545,000
Firm Storage and Peaking Service [Member]
Payment Obligations for Power Purchases
2022		8,899,000
2023		2,270,000
2024		68,000
2025		67,000
2026		56,000
Thereafter		0
Total		11,360,000
Long-term Purchase Commitment, Demand Charges		136,400,000	135,800,000	125,100,000
Combustion turbines
Payment Obligations for Power Purchases
Long-term Purchase Commitment, Demand Charges		52,800,000	$ 51,200,000	$ 51,200,000
Energy production service contracts
Payment Obligations for Power Purchases
2022		31,167,000
2023		31,916,000
2024		32,699,000
2025		33,468,000
2026		17,087,000
Thereafter		81,854,000
Total		228,191,000
Automated meter reading system
Payment Obligations for Power Purchases
2022		46,455,000
2023		47,517,000
2024		47,526,000
2025		48,249,000
2026		49,098,000
Thereafter		0
Total		238,845,000
Service contract obligations
Payment Obligations for Power Purchases
2022		77,622,000
2023		79,433,000
2024		80,225,000
2025		81,717,000
2026		66,185,000
Thereafter		81,854,000
Total		467,036,000
Colombia River Projects [Member]
Payment Obligations for Power Purchases
Total		1,091,440,000
Other Utilities [Member]
Payment Obligations for Power Purchases
Total		3,334,201,000
Electric Portfolio
Payment Obligations for Power Purchases
2022		330,189,000
2023		377,331,000
2024		384,655,000
2025		344,021,000
2026		142,903,000
Thereafter		1,755,102,000
Firm natural gas supply
Payment Obligations for Power Purchases
2022		750,664,000
2023		467,823,000
2024		341,877,000
2025		267,591,000
2026		197,628,000
Thereafter		694,279,000
Total		$ 2,719,862,000
Minimum \| Combustion turbines
Payment Obligations for Power Purchases
Remaining terms under contract		1 year
Maximum \| Combustion turbines
Payment Obligations for Power Purchases
Remaining terms under contract		23 years
Rock Island Project
Long-term Purchase Commitment [Line Items]
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased	5.00%	30.00%
Long-term Contract for Purchase of Electric Power, Capacity \| MW	31	187
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost		$ 43,568,000
Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required		12,074,000
Long-term Contract for Purchase of Electric Power, Interest Included in Contract Charges		5,484,000
Long-term Contract for Purchase of Electric Power, Amount of Long-term Debt or Lease Obligation Outstanding		$ 99,510,000
Rocky Reach Project
Long-term Purchase Commitment [Line Items]
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased	5.00%	30.00%
Long-term Contract for Purchase of Electric Power, Capacity \| MW	65	390
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost		$ 43,942,000
Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required		5,056,000
Long-term Contract for Purchase of Electric Power, Interest Included in Contract Charges		2,090,000
Long-term Contract for Purchase of Electric Power, Amount of Long-term Debt or Lease Obligation Outstanding		$ 36,723,000
Wells Project [Member]
Long-term Purchase Commitment [Line Items]
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased		31.10%
Long-term Contract for Purchase of Electric Power, Capacity \| MW		261
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost		$ 43,095,000
Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required		0
Long-term Contract for Purchase of Electric Power, Interest Included in Contract Charges		0
Long-term Contract for Purchase of Electric Power, Amount of Long-term Debt or Lease Obligation Outstanding		$ 0
Priest Rapids Development
Long-term Purchase Commitment [Line Items]
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased		0.60%
Long-term Contract for Purchase of Electric Power, Capacity \| MW		6
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost		$ 1,749,000
Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required		894,000
Long-term Contract for Purchase of Electric Power, Interest Included in Contract Charges		450,000
Long-term Contract for Purchase of Electric Power, Amount of Long-term Debt or Lease Obligation Outstanding		$ 11,276,000
Wanapum Development
Long-term Purchase Commitment [Line Items]
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased		0.60%
Long-term Contract for Purchase of Electric Power, Capacity \| MW		7
Long-term Contract for Purchase of Electric Power, Estimated Annual Cost		$ 1,749,000
Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required		894,000
Long-term Contract for Purchase of Electric Power, Interest Included in Contract Charges		450,000
Long-term Contract for Purchase of Electric Power, Amount of Long-term Debt or Lease Obligation Outstanding		11,276,000
Electricity, US Regulated [Member]
Payment Obligations for Power Purchases
2022		300,027,000
2023		62,821,000
2024		62,761,000
2025		11,616,000
2026		11,616,000
Thereafter		$ 0