
138 Mich. App. 79 (1984)
358 N.W.2d 636
CHOCOLAY CHARTER TOWNSHIP
v.
CITY OF MARQUETTE
Docket No. 73866.
Michigan Court of Appeals.
Decided October 2, 1984.
Dykema, Gossett, Spencer, Goodnow & Trigg (by Albert Ernst), for plaintiffs.
Willard L. Martin, for defendant.
Before: M.J. KELLY, P.J., and R.M. MAHER and M.P. REILLY,[*] JJ.
PER CURIAM.
On December 8, 1982, this Court issued an order affirming the trial court's order wherein it held, inter alia, that utility rates charged by defendant Board of Light and Power of the City of Marquette to plaintiffs were arbitrary, capricious and discriminatory. Defendant City of Marquette sought leave to appeal to the Supreme Court. On September 15, 1983, the Supreme Court, in lieu of granting leave to appeal, vacated this Court's order and remanded the case to this Court for plenary consideration.
Plaintiffs brought this action in the trial court in their capacities as customers of defendant board and on behalf of their residents who were also customers of the board. Among the allegations made by plaintiffs was the claim that a rural power rate increase to take effect April 10, 1981, was arbitrary, capricious and unreasonable. This claim was premised on the theory that the method of computing the rate, mandated by the City Charter, resulted in rural power customers subsidizing urban customers:
"That the rates proposed to be put into effect are unnecessarily increased by the arbitrary and capricious action by the City of Marquette in including in its cost of service so-called `payments in lieu of taxes' under *82 which the Board of Light and Power is required to pay to the City of Marquette annually, and does pay to the City of Marquette annually, at a present rate in excess of $600,000.00 per year, a sum of money determined to be `the equivalent of all property taxes levied by any unit of government on property within the City of Marquette,' based not only upon a valuation of all property of the utility located inside the City of Marquette, but also including the valuation of all property of such utility located outside the city, with the tax equivalent `computed by multiplying the tax rates for the city, schools, and county government by the total valuation as so fixed.' All payments of the tax equivalents are `for the use of the general city government only and not for the schools, library or Marquette County.' This requirement has the result that the electrical customers of defendants, being plaintiffs and inhabitants of plaintiff townships, and other townships, are paying a rate sufficient to pay not only all expenses of operation associated with their own usage, but also a subsidy subsidizing part of the cost of furnishing services to the city's own residents, contrary to law."[1]
Defendants responded to this charge by arguing that the payments in lieu of taxes, as calculated under the City Charter, merely represented reasonable profits to the city from the operation of its electric utility. They agreed that the payments in lieu of taxes exceed the taxes which the board would be required to pay were it not exempt from property taxes, but claimed that this was not a relevant consideration because the overall rate charged to customers is reasonable. The city also argued that, by treating the payment in lieu of taxes as an expense of the utility, it had imposed the payment equally upon both resident and nonresident customers.
The trial court found that the payment in lieu of taxes rendered the rates unreasonable. The court *83 approved the city's use of the payment in lieu of taxes to the extent that the payment was based upon taxes which would have been levied upon the board's property located within the City of Marquette and which would have reimbursed the city for services actually rendered. (For example, the city would otherwise have had to provide free police and fire protection to the tax-exempt board properties physically located within the City of Marquette.) However, the court rejected the portions of the payment in lieu of taxes which were based on taxes the board would otherwise have been required to pay other government entities. These taxes included property taxes which, had the board not been tax exempt, the board would have owed the rural townships in which board property was located. These taxes also represented taxes which the board would have owed, were it not tax-exempt, for school and county purposes. The trial court found that these portions of the payment in lieu of taxes mechanism mandated by the city forced rural rate-payers to subsidize the urban rate-payers.
On appeal, the city first argues that the trial court impermissibly considered the city's method of computing the utility rates in finding that the rates were arbitrary and unreasonable and so failed to adequately defer to the legislative rate-making prerogative of the city. After reviewing the pertinent authority, we disagree.
Municipally-owned utilities are exempt from regulation by the Public Service Commission, MCL 460.6; MSA 22.13(6), but rates fixed for service rendered by such utilities are reviewable by the courts. 64 Am Jur 2d, Public Utilities, § 128, pp 654-655. While courts will not normally interfere with discretionary acts of municipal officials, Wolgamood v Village of Constantine, 302 Mich 384, *84 395; 4 NW2d 697 (1942), the courts will demand that rates fixed by municipal entities be reasonable and equitable. Preston v Bd of Water Comm'rs of Detroit, 117 Mich 589, 597; 76 NW 92 (1898). Contrary to the city's contention on appeal, reviewing courts may, and have, examined the rationale and elements underlying the assessed rates: "Defendant's claim that the rate so established by plaintiff is unreasonable depends in part on the correctness of its prior claims as to what is to be included in the system and the question of the depreciation to be charged." Detroit v Highland Park, 326 Mich 78, 99; 39 NW2d 325 (1949). See also Meridian Twp v East Lansing, 342 Mich 734, 746-751; 71 NW2d 234 (1955). We therefore reject the city's claim that a reviewing court may not look behind the actual rate charged to determine if it is reasonable.
We also reject the city's argument that the particular mechanism used by the city in this case is proper. A municpality is not required to furnish utility services at cost, but may charge a rate which will yield a profit. OAG, 1975-1976, No 5056, p 624 (September 29, 1976). Similarly, there is no inherent inequity in the city's charging greater rates for its utility services to outlying customers than to customers within the city itself. Detroit v Highland Park, supra, 326 Mich 101; Meridian Twp v East Lansing, supra, 342 Mich 747. In setting rates, a city may take into consideration the fact that the property of the utility is not taxed and that other services furnished by the city, such as fire and police protections, are furnished without charge. Detroit v Highland Park, supra. Further, payments in lieu of taxes made by a municipally-owned utility may be a reasonable expenditure when calculated to pay for the cost of *85 municipal services provided to the utility. OAG 1975-1976, No 5056, p 624.
However, the particular mechanism used in this case does not calculate the payment in lieu of taxes in a manner consistent with this permissible purpose. Instead, the city collects "taxes" for services it does not render and which, in fact, other entities must render. In effect, this forces rural rate-payers to pay twice for the township and county services rendered by these governmental units to the utility, thereby subsidizing urban rate-payers. We fully agree with the trial court that this method of computing the board's utility rates renders the rates arbitrary and unreasonable.
Affirmed. No costs, a public question being involved.
NOTES
[*]  Circuit judge, sitting on the Court of Appeals by assignment.
[1]  Plaintiffs' complaint, quoting from the City of Marquette's charter.
