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I travel often for work and stay in hotels. I have observed that with no direct incentive, it's often hard to stay motivated to make such sustainable choices as taking shorter showers, running the A/C less, etc.

Sure enough, research indicates that when homeowners are empowered to read their electric bill, or given regular reminders of the amount of electricity that they use, they tend to reduce their consumption:

This last paper is a meta-analysis of 12 studies in Europe and North America covering utility pilot programs where in-home displays (IHDs) of electricity consumption information were implemented. The authors state:

Our review indicates that the direct feedback provided by IHDs encourages consumers to make more efficient use of energy. We find that consumers who actively use an IHD can reduce their consumption of electricity on average by about 7 percent when prepayment of electricity is not involved. When consumers both use an IHD and are on an electricity prepayment system, they can reduce their electricity consumption by about twice that amount.

Would this finding translate to hotels? To what extent? Why or why not?

Let's assume that technological and legal challenges to such a system are minimal -- first it makes sense to determine if it could have the desired effect, before looking into implementation.

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  • Perhaps a better question to ask would be "Do customers want to be nickel-and-dimed when they visit a hotel?" — because if they don't, then feasibility/legality is irrelevant because the proposed model fails at the very first hurdle. I suspect that the existing "fixed, up-front fee" model is preferable for the large (perhaps even overwhelming) majority of hotel guests looking for a stress-/care-free trip away from home. – Tim Mar 13 '18 at 4:20
  • @Tim as in nearly all matters related to sustainability, the existing model needs improving or replacing. – LShaver Mar 14 '18 at 19:41
  • What is this doing in "sustainability?" – Ernie Mar 14 '18 at 22:37
  • @Ernie assigning a cost to use of non-renewable resources (electricity and purified water) sends economic signals which can result in reduced consumption. The current hotel model allows/encourages guests to waste water and electricity. – LShaver Mar 14 '18 at 23:20
  • @LShaver If the guests weren't at a hotel they'd be home consuming water and electricity anyway. You are extrapolating your own tendencies to the rest of the population and assuming that it is an issue of such great magnitude that it needs addressing... without providing any data to back up your view. "the existing model needs improving or replacing" is nothing more than an opinion presented as a fact. It is illogical/ill-advised to slap the "sustainability" sticker on every facet of life and get totalitarian. – Tim Mar 16 '18 at 19:32
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I don't know about to what extent it currently exists, but I can imagine it could be implemented successfully with a "reasonable usage" policy.

In my experience as a customer, being asked to pay very exact, tiny amounts for one thing or another is often frustrating, especially if I've paid good money for something like a hotel room. However, when my phone company says I will not be charged excess for roaming (EU laws) but there is a reasonable usage policy, that seems perfect - I don't have to count KBs and I can feel comfortable checking my email abroad.

From my experience having help run a hostel, reputation is everything, and making big outlays for equipment is difficult for a small business (electricity meters, water meters etc.) This is where it gets difficult.

If a business did have the funds to put electricity meters on every room and retrofit water meters etc., you'd have to ask if monitoring/charging people for what they use was more ecological in the long run, than investing in Solar PV, solar water, Rainwater harvesting etc.

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    Thanks for the perspective. One model I can imagine for improving customer experience is to charge a flat rate, then offer a discount for keeping energy use below some threshold value. Or give the option of paying one flat rate or reduced rate + utilities. – LShaver Mar 14 '18 at 19:39
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One of the issues I think would be cost of installing water and electricity meters for each room, including the associated labor cost. It would add to the capital cost of the building.

The other issue is with reading the meters. Do you trust a human to correctly read the meters on a daily basis, at check-out times? This adds to the operating costs of the hotel.

To avoid this, all the meters could be rigged to be read electronically, which again, would add to the capital cost of the hotel.

In the end, someone has to pay for such additional costs and that will be the people staying at the hotels.

If this were to happen, then all hotels would need to be made to install such technology otherwise those that don't will have a price advantage over those that do.

Edit:

Some things that I have noticed how hotels try to limit the amount of electricity and water people use:

In some hotels I have seen notices in bathrooms asking people to consider placing used towels on the towel rack, if they are staying in the room for more than one night, so the towel can be reused by the occupants again. This supposedly saves water and electricity that would have been used to wash the towels.

Most hotel rooms have limited numbers of available power outlets for occupants to plug in personal devices and sometimes the power outlets are in awkward locations.

The other thing that I noticed is some hotels have limited numbers of lights in the room and the lights are low wattage.

Some hotels that still use keys for access sometimes attach a plastic "tag" attached to the key ring and if the occupant wants to use the air conditioner the tag has to be placed into a special slot near the door. When the occupant leaves the room the keys are removed from the slot and the air conditioner automatically turns off.

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  • That towel thing you mention has been in use for more than 15 years.... – Solar Mike Mar 26 '18 at 6:37
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Yes, hotels could implement room-based monitoring systems for electricity and water consumption, but they have no financial motivation to do so and the effects of doing so are marginal verging on insignificant.

Assuming the 7% reduction (due to IHDs, determined by the meta study) is accurate and translates to hotels, and given that rooms account for only ~63% of total hotel usage (source), installing monitoring/feedback systems would translate to a mere 4.4% reduction in total electricity consumption.

Since such systems would just 'pass through the costs/savings' directly to the guests, there would be no financial return to the hotel. With no return on investment, hotels would actually lose money by installing such systems (as the hardware/software/labour costs involved in operating and maintaining such systems would still be incurred). There seems to be no ROI and thus no business case for installing such systems.

Since operating and maintenance costs are independent of use, they translate to fixed fees which would be added to all guest bills. Everyone would pay extra regardless of how much they use — undermining any savings that may be made by guests.

Given that guest/room consumption of water only accounts for ~34% of total hotel use (source) then everything above applies doubly for water. Not only is there still no ROI for the hotels, but the net savings is an insignificant 2.4% (assuming a 7% reduction) and bills will have to increase (again) to cover the fixed fees.

Zero ROI, increased bills, and total resource savings from 2.4-4.4% is a combination that I, personally, can't spin hard enough to turn into a compelling argument.

In theory, the idea of "feedback on usage resulting in lower consumption" seems plausible. In reality, it is only marginally effective.

In "The question of energy reduction: The problem(s) with feedback" the authors write:

"a recent nationally representative UK survey revealed that... only households that were already interested or involved in energy savings were willing to use energy monitors and learn from them... even when households received free IHDs they did not use them... 59% of bill-payers expressed no interest in having an IHD installed in their homes... initial savings in electricity consumption of 7.8% after 4 months were not sustained 15 months later"

Pretty damning, actually... and it casts doubt on the 7% reduction figure that we've been using — the real figure may be much lower.

What it boils down to is that feedback is only useful to that fraction of the population that already has conservation tendencies. Beyond the 'novelty' stage, feedback does not change the behaviour of the vast majority of the population (who don't have conservation tendencies). Over half the population isn't interested in feedback at all.

Since 'entrenched attitudes' are something that guests do take with them into a hotel, what can be said (with great confidence) is that 'consumption-sensitive' guests will continue to be consumption-sensitive, and the rest won't. The presence — or lack — of feedback systems won't change that.

It would seem — in order to reduce resource consumption in hotels — you 'simply' need to make more of the population consumption-sensitive before they even check in.

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  • Some good points, but one error... In the residential sector, private electric submetering is a widespread and growing industry -- property owners purchase electricity at low wholesale rates, then sell it to their tenants at higher retail rates (limited by law to the utility's standard retail rates). The difference covers hardware, operations, and a modest profit. A similar model could easily be applied in hotels which would create both a profit and conservation incentive for hotels. Also, I admit that 4.4% reduction sounds low... but how much is it? – LShaver Mar 19 '18 at 21:24
  • I'm not sure what 'error' you are referring to — can you please clarify? As far as private electricity submetering is concerned, since landlord profits are tied to the amount of electricity consumed, that means that higher consumption rates result in higher profits. I don't see why they would seek to undermine their own profitability by discouraging consumption. If the same model were used for hotels, the same logic would apply. I'm not sure what "how much is it?" is asking. – Tim Mar 20 '18 at 3:53
  • I was referring to the statement "there seems to be no ROI." Even if guests consume less, submetering still turns a cost center into a profit center. By "how much is it," I mean, what does 4.4% reduction translate to in kWh? "Low" percentages can often hide significant savings. For example, 0.5% of US GDP is "only" $93 billion... – LShaver Mar 20 '18 at 14:07
  • There seems to be no ROI on a model where feedback is provided and usage is discouraged — the model you are proposing. It's not an error. The donkey won't walk forward if you attach the carrot to its tail. As for absolute levels of reductions, that's a diversionary line of thought that isn't helpful. If you want to make a real difference you tackle the biggest problems first. Ignoring (at least) 95.6% of consumption and going after the (at most) 4.4% isn't a productive use of human time. It's like rearranging deck chairs as the Titanic sinks. I have nothing further to add. – Tim Mar 20 '18 at 23:49
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    Retro-fitting to implement individual room charging will be very expensive, however, if conceived and fitted as part of initial construction then it is a much cheaper. – Solar Mike Mar 26 '18 at 6:52

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