Robert Rowe
Analyst · KeyBanc
Thank you, Brian. I'll start by providing an update on the Dave Gates Generating Station or DGGS cost allocation issue which as you know, caused the reserve of $11.4 million.
A hearing was held in June of this year before a FERC administrative law judge or ALJ to consider our proposed our allocation methodology which was challenged by several other engineers. Our methodology proposed to allocate about 20% of the DGGS revenue requirement to our FERC jurisdictional customers, and it is consistent with past practice of allocating contracted cost for similar service.
The ALJ’s initial decision issued in late September included that NorthWestern should recover only about 4.4% of the revenue requirement from our FERC jurisdictional customers, and this result, although non-binding, really was shocking and in our view is entirely inconsistent with FERC’s past treatment with similar cost to service.
The initial decision would have the effect, if it's allowed to stand, of either shifting cost to other customers or allowing costs simply to fall between the cracks. That obviously is not acceptable to us. The FERC is not obliged to follow any of the findings from the initial decision and can accept or reject the initial decision, either in whole or in part.
With respect to the FERC ALJ decision, we have now filed our appeal to the full FERC and again, were the decision allowed to stand, we would be earning actually a negative return on the portion of the plant that was built, and that is still needed to provide reliability service to FERC jurisdictional customers, also to meet FERC policy goals for network reliability and also to integrate variable energy resources, so called VERs like wind.
And again, this is an important policy priority of the FERC. So we filed our opposing briefs on October 22. We’ll have another opportunity to file an answering brief to other queries they might file in response to ours on November 13. Additional good news from our perspective is that we are not alone in this fight.
There were 3 other briefs filed, all generally consistent and supportive of our position. If you like to read this sort of thing, I would particularly comment to you the Montana Public Service Commission brief, which was really very eloquent in describing the context in which we built this plan for specific needs in Montana and really was very thoughtful.
Also a very good supportive brief by the Bonneville Power Administration, which is concerned about implications for the larger region. And also a brief by the Montana Consumer Council, which was again on our major points, I think consistent as well. So following these briefs, the full FERC, the Commissioners will review the entire matter an issue a binding decision. And the FERC is expected to issue a final order in the proceeding sometime in the next 6 to 9 months.
Now, if NorthWestern is forced to pursue our full appeal rights, through rehearing and eventual appeal to the United States Courts of Appeals, the procedural schedule certainly could extend into 2015. In the meantime, we continue to build FERC jurisdictional customers at the interim rates, which have been effective since January 1, 2011. Obviously, these interim rates are subject to refund plus interest, a pending final FERC resolution.
Now I'll provide you a bit of an update on a regulatory calendar which, as always, is busy. As I previously reported, during the first quarter, the Montana Public Service Commission approved the Spion Kop Wind Project in Montana, as an addition to our regulated rate base as an electric supply resource.
This $86 million project provides a 25-year levelized cost to customers at approximately $55 a megawatt hour. Project is being constructed by Compass Wind, with a turnkey closing actually expected within the next few weeks. And we expect Spion Kop to go underway through a tracker as early as this December.
As you know, we've been actively exploring opportunities to acquire natural gas reserves, dedicated to serve our Montana customers. We held, at a hearing with the Montana Public Service Commission this quarter, to officially place our Battle Creek property into rate base, and the Commission will likely process that filing before the end of the year.
Importantly there, we had a stipulation with the Montana Consumer Council, agreeing to a 10% ROE, 52% debt, 48% equity capital structure. And because of the cost, the asset is already being recovered through a tracker. There will be no effect on rates, should the Commission decide to allow Battle Creek into rate base.
Also related to Montana natural gas supply, we've completed the purchase of a natural gas production interest in Northern Montana's Bear Paw Basin. That was for approximately $19.5 million. With these 2 purchases, we have now procured about 10% of our retail Montana natural gas needs.
NorthWestern plans to improve the cost of service for the Bear Paw Basin properties as part of our monthly natural gas supply rate adjustment on an interim basis, commencing on November 1, pending NorthWestern's filing with the Montana Public Service Commission for full review of the costs. In the meantime, our goal continues to be to own and rate base about 50% of our Montana natural gas needs, and that would be about 20 Bcf annually.
As I mentioned earlier, we filed with the Public Service Commission a request to adjust natural gas rates, distribution and transmission rates by about $15.7 million to account for the expensive investments we have made in our natural gas transmission, distribution and storage systems, and to implement the pipeline integrity and infrastructure improvements, and cover our increased expenses. We requested a capital structure of 52% debt, 48% equity, and a 10.5% ROE.
Significantly, the overall return on rate base that we requested is 7.83%, and that's based on a very attractive cost of debt of 5.39%. This was compared to the rate of return we received in our 2009 rate case of 7.92%. So we've been very successful in accessing the debt market and passing that benefit on to our customers.
A decision is due from the Montana Commission by June 30, 2013. We're obviously in very earlier stages of this case. No procedural schedule has been issued yet. So we don't know when we might see the intervener testimony or when the hearing in front of the full Commission will occur.
We have asked for an interim natural gas rate increase, pending a full review of the filing by the Commission. The Montana Commission is not bound statutorily to grant an interim rate for the specific time. They have granted interims in the past. Generally, interims are decided upon after intervener testimony is filed and reviewed.
Now I'll give you an update on our distribution operations. Over the past several quarters, we've been implementing our distribution system infrastructure plan or DSIP, and this focuses on our Montana gas and electric distribution systems. It's important to note that we are making significant investments in gas and electric distribution in South Dakota and gas distribution in Nebraska too. During the third quarter, our capital expenditures for the Montana DSIP were about $6 million and about $14 million to date.
In addition, we are projecting approximately $72 million of incremental DSIP expenses and approximately $253 million of DSIP capital expenditures over a 5-year time span beginning in '13. Based on our current forecast along with the Montana Commission's approval, in March of ‘11, of an accounting order to track expenses, we believe DSIP-related expenses and capital expenditures will be recovered through annual or by annual general rate cases.
Moving to our baseload electric supply in Montana, as you know, we obtain a significant portion of our electric supply from power purchase agreements that will expire by the end of '14. Over time, and where it makes economic sense, we'd like to transition that PPA supply toward rate base in order to provide reasonable and stable rates and supply for our customers.
We have stated in our biannual integrated resource plan, filed with the Montana Commission in 2011, that we plan to begin analysis with a viability of building a baseload natural gas plant in Montana to serve our electric supply.
Turning to supply investments for South Dakota, as I mentioned, in 2011 we began constructing our peaking facility, that we will fully own, located here in Aberdeen, of about 60 megawatts, enough to replace a Power Purchase Agreement that expires at the end of this year. This facility will provide peaking reserved margin that is necessary to comply with capacity reserve requirements.
With respect to this plant, we've incurred capital expenditures of about $46 million to date. We expect additional capital expenditures of about $10 million to finish construction, and we expect to achieve commercial operation before next summer season. As we've been discussing for some time, we also need to address emissions reductions at the Big Stone power plant in Northeast South Dakota as well as the Neal Plant in Northwestern Iowa. These are both jointly owned facilities in which we participate.
We have no significant third quarter updates to provide, other than to say that both emission reduction projects are proceeding very much as planned. We continue to expect our portion of the CapEx to be about $125 million for Big Stone and about $25 million for Neal, and we expect both projects to be completed around 2015.
We plan to file a 2013 electric rate case with the South Dakota Public Utility Commission with a 2012 test year, and would include cost associated with the both emissions reduction projects incurred up to that point. In addition, as part of that rate case filing, we plan to propose to file environmental riders for the 2 projects from 2013 to the end of the projects at both plants.
Turning to the transmission side of the business in Montana, as stated earlier we do plan to shelve the Mountain States Transmission Intertie or MSTI in Montana Collector system. However, through a request from customers for generation, interconnection and transmission service, and capital expenditures for growth and reliability, we do continue to improve our transmission infrastructure.
We disclosed in the second quarter that we would consider writing down or writing off the cost of the MSTI project, depending on the likelihood of reaching an agreement with the Bonneville Power Administration to serve its Southern Idaho loads. And the BPA notified us that it had ranked other options ahead of MSTI to serve BPA Southern Idaho loads, and we are promptly made and then disclosed that decision.
So based on BPA’s notification, the continued market uncertainty and permitting issues, we have now impaired substantially all of the preliminary survey and investigative cost totaling approximately $24 million associated with the MSTI project.
We do not anticipate incurring significant additional costs in the foreseeable future related to MSTI. We have notified both the federal and state agencies of our decision and also notified them to keep our application on file while we continue to review our long-term options of likely over the next several years.
We remain very much engaged in the process related to the proposed upgrade to an existing Colstrip 500KV line, which runs from the coal plant to Colstrip, to the west and eventually to the Pacific Northwest. In 2011, the Bonneville Power Administration issued a statement proposing 2 transmission line upgrades, one in Washington and the Colstrip upgrade project in Montana. BPA began its public comment period on its upgrade to the 500KV system in Montana which they refer to as the Montana to Washington upgrade.
The Colstrip 500 KV upgrade and the BPA Montana to Washington upgrade are complementary project, as each is required for the success for the other. Also both projects are subject to, or are essentially dependent on an upgrade further, deeper into BPA’s system. The Colstrip Transmission owners have made their compliance filing on March 28 with the FERC.
The next major contract to be modified will be the Montana Intertie agreement between the Colstrip Transmission owners and BPA. The investment potential for the Colstrip 500KV upgrade ranges from about $40 million as much as $70 million depending on how many Colstrip Transmission owners decide to invest in the project, and the upgrade to the system could be completed by the end of 2016. However, the timing will need to be coordinated with BPA’s potion of the upgrade further west.
So in summary, we are very disappointed with the quarterly results of a loss of $0.10 per share, which again was largely driven by the 2 onetime items we've discussed. However, our core business continues to perform to expectations as we've also discussed, and we remain very much committed to funding our distribution improvement plans and improvements to the transmission infrastructure that serves our existing customers. And also to seek additional regulated energy supply resources to provide our customers long term price stability and resource adequacy.
So with that, I'd like to conclude this part of the call and open it up to your questions.