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Virtual storage (also known as virtual park and loan) is a common type of natural gas-related transaction. Although different terminology may be used to describe these transactions, the term “virtual storage” is used throughout this guide to refer to all similar arrangements.
In a typical virtual storage arrangement, a physical storage location is not specified. The shipper delivers natural gas to an agreed-upon pipeline location and the transporter takes custody of the natural gas. The transporter is required to return the same quantity of natural gas on a specified future date. The shipper does not have access to the natural gas during the period of the arrangement. Virtual storage arrangements are structured to allow the transporter to trade natural gas depending on price fluctuations.
No cash is exchanged in a virtual storage arrangement except for a fee paid by the shipper for the ability to “park” the natural gas for a specified period of time. The upfront service fee or premium is intended to compensate the transporter for the expected changes in natural gas prices between the dates of initial receipt and return (the seasonal spread amount). In addition, the transporter has the risks and rewards of ownership of the natural gas from the time the natural gas is delivered to the time it is returned to the shipper. A typical arrangement is depicted in Figure UP 5-4.
Figure UP 5-4
Typical virtual storage arrangement
The terms of virtual storage arrangements may vary. For example, the shipper may be able to choose both the date of initial delivery and the withdrawal (subsequent return) date. Additional optionality will increase the price of the arrangement. The key differentiating factor in a virtual storage arrangement compared with traditional storage is that no physical storage location is specified or included as part of a virtual storage arrangement.

5.3.1 Accounting for virtual storage

The accounting for virtual storage should be evaluated in accordance with the commodity contract accounting framework described in UP 1. Virtual storage transactions are not leases because this type of agreement does not provide the right to control the use of identified property, plant, or equipment. Therefore, a virtual storage arrangement should next be assessed to determine if it is a derivative in its entirety or if it includes any embedded derivatives.

5.3.1.1 Derivative accounting

A virtual storage agreement is not a derivative in its entirety because it requires an initial net investment, as summarized in Figure UP 5-5.
Figure UP 5-5
Does a virtual storage agreement meet the definition of a derivative?
Guidance
Evaluation
Comments
Notional amount and underlying
Met
  • Notional (quantity of gas to be injected) and underlying (market price of the gas).
No initial net investment
Not met
  • Shipper must deliver natural gas at inception that is equal to the amount that will be returned by the transporter.
Net settlement
Met
  • A firm commitment to receive or deliver natural gas in the future would generally meet the criteria for net settlement.
The initial net investment criterion is discussed in ASC 815-10-15-83(b) and ASC 815-10-15-95.

Excerpt from ASC 815-10-15-95

A derivative instrument does not require an initial net investment in the contract that is equal to the notional amount (or the notional amount plus a premium or minus a discount) or that is determined by applying the notional amount to the underlying.

A virtual storage agreement typically requires that the shipper initially deliver natural gas to the transporter in a quantity equal to the amount that will be returned in the future. The shipper also pays a premium that is based on the seasonal spread value. The premium is derived from the expected price differences between the time of injection (initial delivery) and subsequent withdrawal (subsequent return). Because the contract requires initial delivery of natural gas equal to the notional amount of the returned natural gas and a fee that accounts for the seasonal spread, the contract contains an initial net investment and therefore is not a derivative in its entirety. Further evaluation is then required to determine if the contract includes an embedded derivative that requires separation from the host contract, or if other accounting is applicable.

5.3.1.2 Embedded derivative analysis

Although a virtual storage arrangement is not a lease and does not qualify as a derivative in its entirety, as outlined in Figure UP 5-5, it should be evaluated for potential embedded derivatives. In this type of arrangement, the shipper records a receivable from the transporter for the return of a specific quantity of natural gas on a specified future date. The value of the receivable will fluctuate with changes in the price of natural gas. This linkage to the price of natural gas represents an embedded derivative that should be separated from the host contract and accounted for at fair value in accordance with ASC 815-15-25-1.
Figure UP 5-6 outlines the analysis that would be performed on this embedded feature.
Figure UP 5-6
Does a virtual storage agreement contain an embedded derivative that requires separation?
Guidance
Evaluation
Comments
Economic characteristics of the embedded are not clearly and closely related to the host
Met
  • The host contract is a receivable (shipper) or liability (transporter) (i.e., a debt host).
  • Changes in the price of natural gas are not clearly and closely related to a debt host instrument.
Hybrid instrument is not remeasured at fair value under otherwise applicable U.S. GAAP
Met
  • The virtual storage agreement is not remeasured at fair value.
A separate instrument with the same terms as the embedded derivative would be a derivative instrument subject to ASC 815
Met
  • A firm commitment to receive or deliver natural gas in the future would meet the definition of a derivative.
  • The embedded derivative may be eligible for hedge accounting in some circumstances (see the response to Question UP 5-4).
This approach results in initial recognition of a receivable with an embedded derivative instrument linked to the price of natural gas. In accordance with ASC 815-15-30-2, the embedded derivative should be separated from its host contract at fair value at inception (i.e., generally at zero on day one for non-option derivatives, resulting in no day one gain or loss on the derivative). The remaining carrying value of the storage contract is assigned to the host contract. Further, although the discussion above is from the perspective of the shipper, the transporter would follow the same accounting model. See the response to Question UP 5-3 for information on whether the normal purchases and normal sales scope exception can be applied to the embedded derivative.
The model discussed above treats the injection of the natural gas as a prepayment of the future purchase of natural gas. Although this is the predominant model applied in practice, other models may be appropriate in given circumstances.
Question UP 5-1
How should a reporting entity present virtual storage activities on the balance sheet?
PwC response
It depends. We believe an embedded derivative that has been separated from a host contract may be presented on a combined basis with the related host contract on the balance sheet because the combined presentation is reflective of the overall cash flows for that instrument (see FSP 19.3.3.1). Reporting entities should apply a consistent accounting policy to the presentation of similar contracts.
Question UP 5-2
How should a reporting entity present virtual storage activities in the income statement?
PwC response
It depends. In considering income statement presentation for virtual storage transactions, reporting entities should assess whether net or gross presentation of natural gas purchases and sales is appropriate. In general, this determination will depend on the nature of the reporting entity’s virtual storage activities and its purpose for entering into virtual storage transactions. Transactions entered into for trading purposes as well as certain physically-settled nontrading activities should be presented net in the income statement. The determination of whether a derivative instrument held by a reporting entity is being held for trading purposes is a matter of judgment and will be based on the reporting entity’s intent and the specific facts and circumstances. See UP 3 for further information on evaluating whether gross or net income statement presentation of derivative-related trading activities is appropriate.

5.3.1.3 Application examples — virtual storage (virtual park and loan)

The following examples illustrate the journal entries for virtual storage.
EXAMPLE UP 5-3
Shipper’s accounting for a virtual natural gas storage agreement
Effective April 1, 20X1, Rosemary Electric & Gas Company, the shipper, enters into a natural gas storage agreement with Guava Gas Company, the transporter. There is no natural gas storage location specified. On May 1, 20X1, REG purchases 10,000 MMBtus of natural gas from the spot market and delivers it to (parks it with) GGC at the SoCal Border trading point (a market hub for natural gas located in California). REG is required to withdraw the natural gas on December 1, 20X1. REG pays a fee of $10,000 for natural gas injection and withdrawal (referred to herein as the virtual storage fee), equal to the spot-to-forward price difference at the date of injection. Spot and forward prices (forward price for delivery in December 20X1) of natural gas are as follows ($/MMBtu):
Date
Spot
Forward
May 1, 20X1
$4.00
$5.00
June 30, 20X1
3.00
4.50
September 30, 20X1
3.50
5.50
December 1, 20X1
6.00
View table
How should REG account for the virtual storage arrangement?
Analysis
At the time of initial delivery of the natural gas, REG would record a receivable (valued based on the spot price of natural gas on the date of initial delivery to GGC plus the fee paid that represents the spot to forward difference) and an embedded derivative (valued at zero in this example). REG would record the following journal entries to account for this agreement (amounts in $000s).
Date
Journal entries
Cash
Receivable
Fuel
inventory
Derivative
Income
statement
05/01
Initial purchase of natural gas (10,000 × $4.00)
($40)
$40
05/01
Delivery of natural gas
$40
(40)
05/01
Virtual storage fee paid
(see note 1)
(10)
10
06/30
Record change in value of derivative (10,000 × ($5.00 – 4.50))
(see note 2)
($5)
$5
06/30
Amortize virtual storage fee
Accrete receivable
(see note 3)
(3)
3
3
(3)
09/30
Record change in value of derivative (10,000 × ($4.50 – 5.50))
10
(10)
09/30
Amortize virtual storage fee
Accrete receivable
(see note 3)
(4)
4
4
(4)
12/01
Record change in value of derivative (10,000 × ($5.50 – $6.00))
5
(5)
12/01
Amortize virtual storage fee
Accrete receivable
(see note 3)
(3)
3
3
(3)
12/01
Record receipt of natural gas from GGC and effectively “settle” embedded derivative
(50)
60
(10)
TOTAL
($50)
$ —
$60
$ —
($10)
Note 1: The virtual storage fee paid is part of the initial prepayment for the future return of natural gas.
Note 2: As discussed in the response to Question UP 5-1, the embedded derivative can be combined with the related host contract (i.e., gas to be received) on the balance sheet. For illustration purposes, the amounts are shown separately.
Note 3: The virtual storage fee should be amortized over the benefit period. Additionally, when the receivable is recorded, it would be recorded at a discount that can be viewed similar to a zero-coupon bond (i.e., the transferred consideration is based on the spot price at injection and is expected to accrete up to the forward price).
A virtual storage arrangement results in significantly different financial reporting compared with injecting natural gas in physical storage. In this example, REG has a receivable during the “storage” period and ends the arrangement with inventory with a cost basis of $60,000, its “acquisition price” on December 1, 20X1. The virtual storage arrangement effectively results in REG marking its “inventory” to fair value during the “storage” period because it recognizes the fair value of the embedded derivative indexed to the price of natural gas. Therefore, REG would recognize the net gain on the change in value of the natural gas during the “storage" period, rather than only at the point when the natural gas is sold.
EXAMPLE UP 5-4
Transporter’s accounting for a virtual natural gas storage agreement
Effective April 1, 20X1, Rosemary Electric & Gas Company, the shipper, enters into a natural gas storage agreement with Guava Gas Company, the transporter. There is no natural gas storage location specified. On May 1, 20X1, REG purchases 10,000 MMBtus of natural gas from the spot market and delivers it to (parks it with) GGC at the SoCal Border trading point (a market hub for natural gas located in California). Assume GGC sells the natural gas into the spot market on the same day it is received.
REG is required to withdraw the natural gas on December 1, 20X1. REG pays a fee of $10,000 for natural gas injection and withdrawal (referred to herein as the virtual storage fee), equal to the spot-to-forward price difference at the date of injection. Spot and forward prices (forward price for delivery in December 20X1) of natural gas are as follows ($/MMBtu):
Date
Spot
Forward
May 1, 20X1
$4.00
$5.00
June 30, 20X1
3.00
4.50
September 30, 20X1
3.50
5.50
December 1, 20X1
6.00
View table
How should GGC, the transporter, account for the virtual storage arrangement?
Analysis
GGC would record inventory and a liability to return the inventory when it receives the inventory from the shipper. The day 1 liability would be measured at the spot price of natural gas. GGC would also recognize an embedded derivative (at zero initially in this example) for the changes in market price of natural gas. GGC would record the following journal entries to account for this agreement and the related embedded derivative (amounts in $000s):
Date
Journal entries
Cash
Fuel
inventory
Fuel
Liability
Contract
Liability
Derivative
Income
statement
05/01
Initial receipt of natural
gas (10,000 × $4.00)
(see note 1)
$40
($40)
05/01
Sell natural gas inventory received
$40
(40)
$0
05/01
Virtual storage fee
received (see note 1)
10
(10)
06/30
Record change in value of
derivative (10,000 ×
($4.50 – 5.00)) (see note 2)
$5
(5)
06/30
Recognize revenue
(storage fee) (see note 3)
Accrete fuel liability
(see note 4)
(3)
3
(3)
3
09/30
Record change in value of
derivative (10,000 ×
($5.50 – $4.50))
(10)
10
09/30
Recognize revenue (storage
fee) (see note 3)
Accrete fuel liability
(see note 4)
(4)
4
(4)
4
12/01
Record change in value of
derivative (10,000 ×
($6.00 – 5.50))
(5)
5
12/01
Recognize revenue (storage
fee) (see note 3)
Accrete fuel liability
(see note 4)
(3)
3
(3)
3
12/01
Purchase natural gas
from spot market
(60)
60
12/01
Record delivery of
natural gas to REG
(10,000 × $6.00) and
effective “settlement” of
embedded derivative
(60)
50
10
0
TOTAL
($10)
$ —
$ —
$ —
$ —
$10
View table
Note 1: In the example, the $10 virtual storage fee received would be recognized as a contract liability and the initial receipt of natural gas of $40 would be recognized as a fuel liability.
Note 2: As discussed in the response to Question UP 5-1, the embedded derivative can be combined with the related host contract (i.e., gas to be delivered) on the balance sheet. For illustration purposes, the amounts are shown separately in the table above.
Note 3: The virtual storage fee, which is payment for the storage service, should be recognized over the term of the storage arrangement.
Note 4: The fuel liability would be recorded at the spot price of the fuel at the date it is received (date of injection) and would be accreted to the forward price over the term of the storage arrangement.
Virtual storage is presumed to be a trading activity and the purchases and sales of the underlying commodity are presented net in the income statement. See UP 3 for further discussion of the impact of derivatives being held for trading purposes on income statement presentation and see the response to Question UP 5-2 for further discussion of income statement presentation alternatives.
This example also assumes that GGC sells the natural gas inventory into the spot market on the day it was delivered from the shipper. However, GGC could have stored the natural gas inventory for its own operational purposes, which would have made it subject to valuation at lower of cost and net realizable value (see UP 11.2 for further information). In addition, GGC could have purchased the inventory for delivery to the shipper at a different point in time, to try to capture market movements. It is also likely that GGC would execute multiple purchases and sales of natural gas prior to the date it delivers natural gas. For simplicity, the example assumes that the natural gas was sold and purchased from the market on the same dates as the transactions with the shipper and ignores any additional trades.

Question UP 5-3
Can a reporting entity apply the normal purchases and normal sales scope exception to a virtual storage agreement?
PwC response
It depends. ASC 815-10-15-22 defines normal purchases and normal sales.

ASC 815-10-15-22

Normal purchases and normal sales are contracts that provide for the purchase or sale of something other than a financial instrument or derivative instrument that will be delivered in quantities expected to be used or sold by the reporting entity over a reasonable period in the normal course of business.

In some cases, a shipper may use virtual storage in lieu of physical storage due to lack of physical storage availability or other operational considerations to help manage its fuel for generation or retail customer needs (buying natural gas for a lower price in one period for an assured source of supply in a higher price period).
Provided that the quantity delivered under the contract is consistent with the shipper’s future needs, it may be able to apply the normal purchases and normal sales scope exception if all of the criteria for application of this exception are met (see ASC 815-10-15-22 through 15-51 as applicable). However, the normal purchases and normal sales scope exception would not be applicable if this type of transaction results in purchases and sales in excess of the shipper’s actual operational needs, or is associated with a trading operation.
We generally would not expect the transporter to apply the normal purchases and normal sales scope exception because virtual storage arrangements are structured to allow the transporter to trade natural gas depending on price fluctuations, and such transactions are inherently trading activities.
Refer to UP 3.3.1 for further discussion of the accounting considerations related to the normal purchases and normal sales scope exception.
Question UP 5-4
Can a reporting entity apply hedge accounting to the embedded derivative resulting from a virtual storage agreement?
PwC response
Yes, if all of the hedge accounting requirements in ASC 815 are met. ASC 815-20-25-45 permits an embedded derivative that is accounted for separately from its host contract to be designated as a hedging instrument. In this case, the embedded derivative that is separated from the host contract relates to the forecasted future delivery of natural gas. We believe that hedge accounting may be applied to this separated embedded derivative. The bifurcated embedded derivative may be designated an all-in-one hedge of the forecasted future purchase of natural gas to fulfill the withdrawal obligation and may be designated as such if it meets the criteria in ASC 815-20-25-21 and 25-22. To apply hedge accounting, the reporting entity will need to meet all of the documentation and other hedge accounting requirements. See DH 5 for further information on hedge accounting for commodities.

5.3.2 Financially settled virtual storage

Some virtual storage agreements may be financially settled (i.e., there is no initial delivery of natural gas). Such transactions are basis swaps that lock in the price differential of the natural gas at two points in time. This type of contract is a derivative in its entirety; it specifies an underlying and a notional amount, requires no initial net investment, and has the characteristic of net settlement. Therefore, this type of arrangement should be accounted for at fair value following the derivative accounting guidance in ASC 815.
Further, because the contract is financially settled, it is not eligible for application of the normal purchases and normal sales scope exception (because the probable physical delivery assertion is not met).
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