TCJA, and an initial step increase to recover post-test year capital investments. The Company’s second step increase of approximately $1.4 million of annual revenue was approved by the NHPUC, effective May 1, 2019, to recover eligible capital investments in 2018. According to the terms of the settlement agreement, Northern Utilities’ next distribution base rate case shall be based on a historic test year of no earlier than the twelve months ending December 31, 2020.
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On April 20, 2017 the NHPUC issued its final order providing for a permanent increase of $4.1 million, effective May 1, 2017, followed by two annual rate step adjustments to recover the revenue requirements associated with certain capital expenditures. On April 30, 2018, the NHPUC approved Unitil Energy’s first step increase, effective May 1, 2018. On April 22, 2019, the NHPUC approved Unitil Energy’s second and final step adjustment, providing for a revenue increase of approximately $340,000, effective May 1, 2019.
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Fitchburg’s base rates are decoupled, and subject to an annual revenue decoupling adjustment mechanism, which includes a cap on the amount that rates may be increased in any year. In addition, Fitchburg has an annual capital cost recovery mechanism to recover the revenue requirement associated with certain capital additions. On November 1, 2018, Fitchburg filed its cumulative revenue requirement of $0.9 million associated with the Company’s 2015-2017 capital expenditures. On December 27, 2018, the filing was approved, effective January 1, 2019, subject to further investigation and reconciliation. Final approval of the 2018 filing remains pending. On October 29, 2019, Fitchburg filed its cumulative revenue requirement of $1.1 million associated with the Company’s 2015-2018 capital expenditures. On December 16, 2019, the filing was approved, effective January 1, 2020, subject to further investigation and reconciliation. Final approval of the 2019 filing remains pending.
On April 17, 2020, the MDPU approved a settlement agreement entered into by the Company and the Massachusetts Office of the Attorney General providing for a distribution increase of $1.1 million, effective November 1, 2020. The Company’s subsequent Compliance Filing reflected an adjusted distribution increase of $0.9 million, a decrease of $0.2 million from the original settlement amount. On May 21, 2020, the MDPU approved the Company’s Compliance Filing. The agreement provides for a return on equity of 9.7% and a capital structure reflecting 52.45% equity and 47.55% long-term debt. Under the agreement, the Company will not increase or redesign base distribution rates to become effective prior to November 1, 2023, though the Company may seek cost recovery for certain exogenous events that meet a revenue impact threshold of $0.1 million. The agreement also provides for the implementation of a major storm reserve fund, whereby the Company may recover the costs of restoration for qualifying storm events. In addition, the agreement provides for the extension of the annual capital cost recovery mechanism, modified to allow the recovery of property tax on the cumulative net capital expenditures.
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Pursuant to the Company’s revenue decoupling adjustment clause tariff, as approved in its last base rate case, the Company is allowed to modify, on a semi-annual basis, its base distribution rates to an established revenue per customer target in order to mitigate economic, weather and energy efficiency impacts to the Company’s revenues. The MDPU has consistently found that the Company’s filings are in accord with its approved tariffs, applicable law and precedent, and that they result in just and reasonable rates.
On February 28, 2020, the MDPU approved a settlement agreement between the Company and the Massachusetts Office of the Attorney General. The agreement provides for an annual distribution revenue increase of $4.6 million to be
phased-in
over two years: (1) an increase of $3.7 million, effective on March 1, 2020; and (2) an increase of $0.9 million, effective on March 1, 2021. Under the agreement, the Company will not increase or redesign base distribution rates to become effective prior to March 1, 2023, though the Company may seek cost recovery for certain exogenous events that meet a revenue impact threshold of $40
thousand
. The agreement provides for a return on equity of 9.7% and a capital structure reflecting 52.45% equity and 47.55% long-term debt.
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Gas System Enhancement Program
– Pursuant to statute and MDPU order, Fitchburg has an approved Gas System Enhancement Plan (GSEP) tariff through which it may recover certain gas infrastructure replacement and safety related investment costs, subject to an annual cap. Under the plan,