Florida Regulations 25-6.04361: Subcategorization of Electric Plant for Depreciation Studies and Rate Design
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(1) Depreciation rate design accounts shall be in accordance with the Federal Energy Regulatory Commission’s Uniform System of Accounts for Public Utilities and Licensees (USOA), Code of Federal Regulations, Title 18, Subchapter C, Part 101, as adopted by Fl. Admin. Code R. 25-6.014 New depreciation subaccounts, as listed in subsection (5) below, shall be established under these accounts. This subcategorization shall group together items which are relatively homogeneous in expected life and salvage characteristics.
(2) New depreciation subaccounts must be established to subcategorize a plant which meets the following criteria:
(a) Introduction of a new technology: for example, flue gas desulphurization, heat pipes, or fluidized bed combustors.
(b) The present inclusion of an obsolescent/dying technology: for example, pneumatic monitoring systems.
(c) A major installation that is facing near-term retirement: for example, a generating unit, line, or station.
(3) Additionally, a company may develop depreciation subaccounts within a listed account as appropriate for its own situation. However, a company shall not establish a new subaccount (except subaccounts required by subsection (2)) that would represent less than 10% of the original primary account.
(4) Depreciation reserve, plant activity data, gross salvage, and costs of removal, shall be maintained for each depreciation category for which a depreciation rate is to be developed.
(5) The following accounts and subaccounts shall be used in the design of depreciation rates:
(a) Steam Production Plant. The following accounts shall be maintained, at a minimum, on a plant site basis. It is preferable, however, that the accounts be maintained for each individual unit within each plant site. Stratification within each account for use in determining the depreciation rate of the account shall be established in accord with their potential life patterns and planning of the specific company. An example of stratification groupings, which may be used, are shown below under Structures and Improvements, Account 311.
1. Structures and Improvements, Account 311.
Suggested stratification groupings are as follows:
a. Valves.
b. Pumps, HVAC ductwork, roads.
c. Piping systems.
d. Building structures, tanks, lighting, vents.
2. Boiler Plant Equipment, Account 312.
3. Turbogenerator Units, Account 314.
4. Accessory Electric Equipment, Account 315.
5. Miscellaneous Power Plant Equipment, Account 316.
(b) Nuclear Power Production Plant. The following accounts shall be maintained, at a minimum, on a plant site basis. It is preferable, however, that the accounts be maintained for each individual unit within each plant site. Stratification within the accounts for use in determining depreciation rates for the accounts shall be established in accord with their potential life patterns and planning of the specific company. In addition, subaccounts shall be established for the components and facilities that are expected to retire and be decommissioned upon receipt of the license termination as well as those components and facilities which are subject to retention to generate electricity with another steam source after the removal of the current nuclear steam generating components.
1. Structures and Improvements, Account 321.
2. Reactor Plant Equipment, Account 322.
3. Turbogenerator Units, Account 323.
4. Accessory Electric Equipment, Account 324.
5. Miscellaneous Power Plant Equipment, Account 325.
(c) Other Production Plant. The following accounts shall be maintained, at a minimum, on a plant site basis. Stratification within the accounts for use in determining depreciation rates for the accounts shall be established in accord with their potential life patterns and usage of the specific company.
1. Structures and Improvements, Account 341.
2. Fuel Holders, Producers, And Accessories, Account 342.
3. Prime Movers, Account 343.
4. Generators, Account 344.
5. Accessory Electric Equipment, Account 345.
6. Miscellaneous Power Plant Equipment, Account 346.
(d) Transmission Plant. The following accounts shall be used:
1. Easements, Account 351.
2. Structures and Improvements, Account 352.
3. Station Equipment, Account 353.
4. Towers and Fixtures, Account 354.
5. Poles and Fixtures, Account 355.
6. Overhead Conductors and Devices, Account 356.
7. Underground Conduit, Account 357.
8. Underground Conductors and Devices, Account 358.
9. Roads and Trails, Account 359.
10. Additional accounts or subaccounts shall be established in accord with potential life patterns and planning of the specific company.
(e) Distribution Plant. The following accounts shall be used:
1. Easements, Account 360.
2. Structures and Improvements, Account 361.
3. Station Equipment, Account 362.
4. Poles, Towers and Fixtures, Account 364.
5. Overhead Conductors and Devices, Account 365.
6. Underground Conduit, Account 366.
7. Underground Conductors and Devices, Account 367.
8. Line Transformers, Account 368.
9. Services, Account 369.
10. Meters, Account 370.
11. Installation on Customers Premises, Account 371.
12. Street Lighting and Signal Systems, Account 373.
13. Additional accounts or subaccounts shall be established in accord with potential life patterns and planning of the specific company.
(f) General Plant. The following accounts shall be used:
1. Easements, Account 389.
2. Structures and Improvements, Account 390.
3. Office Furniture and Equipment, Account 391. The following subaccounts shall be used:
a. Furniture. The investment in this subaccount shall be amortized over a 7 year period.
b. Office Accessories. The investment in this subaccount shall be amortized over a 5 year period.
c. Office, Mailing, and Duplicating Equipment. The investment in this subaccount shall be amortized over a 7 year period.
d. Computer Equipment. The investment in this subaccount shall be amortized over a 5 year period.
4. Transportation Equipment, Account 392. The following subaccounts shall be used:
a. Passenger Cars.
b. Light Trucks. This subaccount shall include trucks of one ton in capacity or less.
c. Heavy Trucks. This subaccount shall include trucks of greater than one ton capacity.
d. Tractors and Trailers.
e. Special Purpose Vehicles.
f. Aircraft.
g. Investments associated with marine equipment, motorcycles and single-occupant vehicles shall be subaccounted and amortized over a 5 year period.
5. Stores Equipment, Account 393. The following subaccounts shall be used:
a. Handling equipment.
b. Storage and Portable Handling Equipment. This subaccount shall be amortized over a 7 year period.
6. Tools, Shop and Garage Equipment, Account 394. The following subaccounts shall be used:
a. Fixed or Stationary Equipment.
b. Portable Tools and Equipment. This subaccount shall be amortized over a 7 year period.
7. Laboratory Equipment, Account 395. The following subaccounts shall be used:
a. Fixed or Stationary Equipment.
b. Portable Equipment. This subaccount shall be amortized over a 7 year period.
8. Power Operated Equipment, Account 396.
9. Communication Equipment, Account 397. The following subaccounts shall be used:
a. Company Official Communication Equipment.
b. Optic Electronics Equipment.
c. Other Communication Equipment.
10. Miscellaneous Equipment, Account 398. This account shall be amortized over a 7 year period.
11. Additional accounts or subaccounts shall be established in accord with potential life patterns and planning of the specific company.
(6) Depreciation rates developed after January 1, 1992 shall be based on the account classifications in this rule. In implementing these rates the following procedures shall be followed:
(a) Reserve activity data, plant activity data, gross salvage, and costs of removal are to be recorded to the new accounts and subaccounts for activity subsequent to January 1, 1992.
(b) The separation of investments and reserves under prior accounts into balances relating to new accounts and subaccounts under this rule may require estimation. Where vintaged distributions are not maintained, separation into accounts and subaccounts may require synthesization.
(c) If an existing account is essentially compatible with an account listed in the rule, that account shall be deemed to be in compliance with this rule.
Rulemaking Authority Florida Statutes § 350.127(2). Law Implemented 350.115, 366.04(2)(a), 366.05(1), 366.06(1) FS. History-New 12-12-91.
(a) Introduction of a new technology: for example, flue gas desulphurization, heat pipes, or fluidized bed combustors.
(b) The present inclusion of an obsolescent/dying technology: for example, pneumatic monitoring systems.
(c) A major installation that is facing near-term retirement: for example, a generating unit, line, or station.
(3) Additionally, a company may develop depreciation subaccounts within a listed account as appropriate for its own situation. However, a company shall not establish a new subaccount (except subaccounts required by subsection (2)) that would represent less than 10% of the original primary account.
(4) Depreciation reserve, plant activity data, gross salvage, and costs of removal, shall be maintained for each depreciation category for which a depreciation rate is to be developed.
(5) The following accounts and subaccounts shall be used in the design of depreciation rates:
(a) Steam Production Plant. The following accounts shall be maintained, at a minimum, on a plant site basis. It is preferable, however, that the accounts be maintained for each individual unit within each plant site. Stratification within each account for use in determining the depreciation rate of the account shall be established in accord with their potential life patterns and planning of the specific company. An example of stratification groupings, which may be used, are shown below under Structures and Improvements, Account 311.
1. Structures and Improvements, Account 311.
Suggested stratification groupings are as follows:
a. Valves.
b. Pumps, HVAC ductwork, roads.
c. Piping systems.
d. Building structures, tanks, lighting, vents.
2. Boiler Plant Equipment, Account 312.
3. Turbogenerator Units, Account 314.
4. Accessory Electric Equipment, Account 315.
5. Miscellaneous Power Plant Equipment, Account 316.
(b) Nuclear Power Production Plant. The following accounts shall be maintained, at a minimum, on a plant site basis. It is preferable, however, that the accounts be maintained for each individual unit within each plant site. Stratification within the accounts for use in determining depreciation rates for the accounts shall be established in accord with their potential life patterns and planning of the specific company. In addition, subaccounts shall be established for the components and facilities that are expected to retire and be decommissioned upon receipt of the license termination as well as those components and facilities which are subject to retention to generate electricity with another steam source after the removal of the current nuclear steam generating components.
1. Structures and Improvements, Account 321.
2. Reactor Plant Equipment, Account 322.
3. Turbogenerator Units, Account 323.
4. Accessory Electric Equipment, Account 324.
5. Miscellaneous Power Plant Equipment, Account 325.
(c) Other Production Plant. The following accounts shall be maintained, at a minimum, on a plant site basis. Stratification within the accounts for use in determining depreciation rates for the accounts shall be established in accord with their potential life patterns and usage of the specific company.
1. Structures and Improvements, Account 341.
2. Fuel Holders, Producers, And Accessories, Account 342.
3. Prime Movers, Account 343.
4. Generators, Account 344.
5. Accessory Electric Equipment, Account 345.
6. Miscellaneous Power Plant Equipment, Account 346.
(d) Transmission Plant. The following accounts shall be used:
1. Easements, Account 351.
2. Structures and Improvements, Account 352.
3. Station Equipment, Account 353.
4. Towers and Fixtures, Account 354.
5. Poles and Fixtures, Account 355.
6. Overhead Conductors and Devices, Account 356.
7. Underground Conduit, Account 357.
8. Underground Conductors and Devices, Account 358.
9. Roads and Trails, Account 359.
10. Additional accounts or subaccounts shall be established in accord with potential life patterns and planning of the specific company.
(e) Distribution Plant. The following accounts shall be used:
1. Easements, Account 360.
2. Structures and Improvements, Account 361.
3. Station Equipment, Account 362.
4. Poles, Towers and Fixtures, Account 364.
5. Overhead Conductors and Devices, Account 365.
6. Underground Conduit, Account 366.
7. Underground Conductors and Devices, Account 367.
8. Line Transformers, Account 368.
9. Services, Account 369.
10. Meters, Account 370.
11. Installation on Customers Premises, Account 371.
12. Street Lighting and Signal Systems, Account 373.
13. Additional accounts or subaccounts shall be established in accord with potential life patterns and planning of the specific company.
(f) General Plant. The following accounts shall be used:
1. Easements, Account 389.
2. Structures and Improvements, Account 390.
3. Office Furniture and Equipment, Account 391. The following subaccounts shall be used:
a. Furniture. The investment in this subaccount shall be amortized over a 7 year period.
b. Office Accessories. The investment in this subaccount shall be amortized over a 5 year period.
c. Office, Mailing, and Duplicating Equipment. The investment in this subaccount shall be amortized over a 7 year period.
d. Computer Equipment. The investment in this subaccount shall be amortized over a 5 year period.
4. Transportation Equipment, Account 392. The following subaccounts shall be used:
a. Passenger Cars.
b. Light Trucks. This subaccount shall include trucks of one ton in capacity or less.
c. Heavy Trucks. This subaccount shall include trucks of greater than one ton capacity.
d. Tractors and Trailers.
e. Special Purpose Vehicles.
f. Aircraft.
g. Investments associated with marine equipment, motorcycles and single-occupant vehicles shall be subaccounted and amortized over a 5 year period.
5. Stores Equipment, Account 393. The following subaccounts shall be used:
a. Handling equipment.
b. Storage and Portable Handling Equipment. This subaccount shall be amortized over a 7 year period.
6. Tools, Shop and Garage Equipment, Account 394. The following subaccounts shall be used:
a. Fixed or Stationary Equipment.
b. Portable Tools and Equipment. This subaccount shall be amortized over a 7 year period.
7. Laboratory Equipment, Account 395. The following subaccounts shall be used:
a. Fixed or Stationary Equipment.
b. Portable Equipment. This subaccount shall be amortized over a 7 year period.
8. Power Operated Equipment, Account 396.
9. Communication Equipment, Account 397. The following subaccounts shall be used:
a. Company Official Communication Equipment.
b. Optic Electronics Equipment.
c. Other Communication Equipment.
10. Miscellaneous Equipment, Account 398. This account shall be amortized over a 7 year period.
11. Additional accounts or subaccounts shall be established in accord with potential life patterns and planning of the specific company.
(6) Depreciation rates developed after January 1, 1992 shall be based on the account classifications in this rule. In implementing these rates the following procedures shall be followed:
(a) Reserve activity data, plant activity data, gross salvage, and costs of removal are to be recorded to the new accounts and subaccounts for activity subsequent to January 1, 1992.
(b) The separation of investments and reserves under prior accounts into balances relating to new accounts and subaccounts under this rule may require estimation. Where vintaged distributions are not maintained, separation into accounts and subaccounts may require synthesization.
(c) If an existing account is essentially compatible with an account listed in the rule, that account shall be deemed to be in compliance with this rule.
Rulemaking Authority Florida Statutes § 350.127(2). Law Implemented 350.115, 366.04(2)(a), 366.05(1), 366.06(1) FS. History-New 12-12-91.