The foilowing table presents a period-end reconciliation of DB Plan assets measured and
recorded at fair value on a recurring basis, using significant unobservable inputs (Level 3):
(in thousands) 2020 2019
Balance, beginning of year $ 5,155 5 4,414
Plan transfers 1,941 1,079
Contributions 373 249
Benefits paid (1,844) (691)
Return on plan assets (net of investment expenses) 106 104
Balance, end of year $ 5,731 Ac) 5,155
The fair value of DB Plan and OPEB Plan assets by levels within the fair value hierarchy used
as of December 31, 2019 was as follows:
The methods described above may produce a fair value calculation that may not be indicative of
net realizable value or reflective of future fair values. Furthermore, while the Plan’s management
believes the valuation methodologies are appropriate and consistent with other market
participants, the use of different methodologies or assumptions to determine the fair value of
certain investments could result in a different fair value measurement at the reporting date.
The following table indicates the asset allocation percentages of the fair value of the DB Plan
and OPEB Plans’ assets for each major type of plan asset as of December 31, 2019, as well as
the targeted allocation range:
DB Plan OPEB Plans
Asset Asset
Allocation Allocation
Range Range
Equities 61% 30% - 100% 69% 30% - 100%
Fixed income 39% 20% - 70% 29% 0% - 50%
Cash and cash equivalents 0% 0% - 15% 2% 0% - 15%
Total 100% 100%
The estimated net actuarial loss for our DB Plan that will be amortized in 2021 from the
regulatory assets into net periodic benefit costs is $625,000. The estimated net actuarial gain
and prior service cost for our OPEB Plans that will be amortized in 2021 from the regulatory
assets into net periodic benefit costs is $60,200.
Changes in plan assets and benefit obligations recognized in regulatory assets, for the year
ended December 31, 2019, were as follows:
(in thousands) DB Plan OPEB Plans
Regulatory asset balance, beginning of period $ 7,632 $ 565
Net actuarial gain incurred during the period 2,991 516
Prior service cost incurred during the period - 16
Recognized net actuarial (gain)/loss 354 (19)
Regulatory asset balance, end of period S 10,269 5 1,078
The following table sets forth information regarding our D8 Plan and our OPEB Plans as of
December 31, 2019 and for the year then ended:
{in thousands) DB Plan OPEB Plans
Projected benefit obligations $ 34,158 $ 4,586
Employer contribution 1,181 11
Benefits paid, excluding expenses (695) {63)
Fair value of plan assets 21,187 604
Accumulated benefit obligation 30,643 -
Funded status (12,971) {3,982)
Net periodic benefit cost 1,494 279
Post-Retirement Benefit Plans
Pension Pian and Cther Post-Retirement Benefits
Amounts included in restricted cash represent those required to be set aside as outlined in
Note 1.
Accounts Receivable
Accounts receivable consisted of the following at December 31, 2020 and 2019:
(in thousands) 2020 2019
Accounts receivable - billed S 4,365 S 3,091
Less allowance for doubtful accounts (68) (50)
Accounts receivable - billed, net S 4,297 § 3,041
Accounts receivable - unbilled S 4,473 S 2,575
Less allowance for doubtful accounts - -
Accounts receivable - unbilled, net S 4,473 $ 2,575
2. Property, Plant and Equipment
The components of property, plant and equipment as of December 31, 2020 and 2019 were
