The issue with renewable trusts

Compared to what investors anticipated, the value of assets held by renewable trusts is much more volatile

Greencoat UK Wind (LSE: UKW) has expanded to rank among the biggest investment trusts in the UK since going public in 2013. It had a net asset value (NAV) of nearly £4 billion at one point.

However, the trust has produced mediocre long-term returns for investors: since 2013, the share price total return has been 6.6 percent annually (pa), while the NAV total return has been 5.7 percent. The results have gotten considerably worse over the past five years, with a NAV total return of 11.8 percent per year.

By contrast, the simple equity-income trust City of London (LSE: CTY) has generated 15 percent annually over the last five years, 7 and a half percent over the last ten, and 9 and a half percent over the last fifteen. Greencoat has even underperformed cash funds in recent years: over a five-year period, the Royal London Short Term Money Market Fund has returned 21.7 percent annually.

The future is being discounted.

It is true that Greencoat is an alternative income trust that was created to give investors a variety of options, including cash, bonds, and stocks. Thus, it cannot be directly compared to these two funds.

Nevertheless, investors had to forgo capital in order to obtain this income diversification; if dividends are disregarded, the trust's return over the last ten years is less than zero. Its declining net asset value (NAV) is a result of the way renewable trusts value their assets and the factors that have been against them.

The present value of anticipated future cash flows from Greencoat's portfolio of wind farms is used to determine the asset's value. The amount of electricity produced and the price at which it is sold determine these cash flows. The discount rate applied to convert them into current currency determines their present value.

This discount rate is very sensitive to current interest rates, but it also represents the market's assessment of Greencoats' long-term cash flow risks. The rate of discounting is very arbitrary. For instance, analysts at Winterflood determined a NAV for Greencoat that was 13% lower than the trust's stated value in a recent report. "We believe that the higher discount rate we have applied to merchant power revenues is responsible for approximately half of this disparity.

These assessments are based on a number of additional assumptions, and altering them may have serious repercussions. An additional 9% impact on the NAV would result from plugging Renewables Infrastructure Group's (LSE: TRIG) power price forecasts into Greencoat's Winterfloods model, according to the analysts.

That does not imply that UKW or TRIG are more likely to be accurate in their predictions of power prices, and TRIG has its own problems. It cautioned that dividend cover would be limited in the wake of a decline in wind generation and power prices in its half-year results.

A problem across the industry.

The valuations of the renewable trusts are much more erratic than investors may anticipate, which encapsulates a larger issue. Consider Greencoat Renewables (LSE: GRP), a company that makes investments in assets denominated in euros. As a result of lower power costs and anticipated wind generation, it reduced its NAV by 8.9 percent at the end of June.

These adjustments have caused the management team to lower its full-year dividend cover estimate from 1.9 times at the end of 2024 to 1.3 times.

Although the primary focus of these three trusts is wind, other funds in the industry are impacted by similar problems. Lower projected power prices for the 2027 - 2030 timeframe caused Bluefield Solar Income Fund (LSE: BSIF) to downgrade its NAV by almost 5% at the halfway point of the year. Due to changes in power forecasts, peers with a UK focus saw an average 2.3 percent decline in their NAV in the second quarter, while peers with an EU focus saw a 1.92 percent decline.

These significant variations highlight how arbitrary NAV can be and how quickly the figures can fluctuate. Investors shouldn't count on favorable and consistent returns from the weather.