Hotels & Hospitality/ electricity · heat · proof
Your chillers throw away
your hot water.
One provider for green electricity, green heat and the data that proves both — from the chiller plant to guest-room showers to the laundry.
About ₹6.53 a unit across the year with solar and wind, against ₹7.98 from the grid.
Heat from a heat pump on that electricity, against ₹6.22 from a PNG boiler.
An energy assessment on your bills and metering, then one business case for electricity and heat.
Why nowCorporate travel buyers · Certifications and platforms · Energy cost · LPG, diesel and DG · Owners and lenders · Guest expectation
Illustrative reference plant; your figures come from your own tariff, fuel and load.
Arrival to laundry/ where we intervene
Every room night
has a lever.
Guests arrive, rooms need hot water, kitchens cook, laundry runs, the pool stays warm and chillers keep it all cool. jouleWise acts at eleven points across the property — and repeats the plan across the portfolio.
Green sourcing
Intrastate and ISTS solar and wind through green open access — eligible from 100 kW under the 2022 rules, subject to state regulations.
ElectricityConnectivity and metering
Open access approvals, connection agreement and ABT metering at the property incomer.
ElectricityRooftop solar
Podium and service roofs carry behind-the-meter solar, sized from measured load.
ElectricityBattery storage
LFP storage replaces most DG hours and shaves the evening peak.
ElectricityHeat pumps for guest hot water
Rooms, kitchens and spa hot water from heat pumps and a legionella-safe store.
HeatLaundry
Washers and heat-pump dryers on the hot-water circuit; ironers stay on steam or gas.
HeatPool and spa
Pool held at temperature by heat pumps instead of LPG or diesel heaters.
HeatChiller heat recovery
Chiller condenser heat becomes guest hot water — cooling and hot water from one kWh.
HeatergOS control
15-minute metering of electricity, hot water, chilled water, fuel and water; forecasting and dispatch.
Data · ergOSGuests, buyers and owners
Carbon per room night for corporate RFPs, certifications and owner reporting from esgOS.
ESG · esgOSEV charging
Guest and fleet EV chargers on green electricity, metered and billed on ergOS.
ElectricityIllustrative plant. Actual intervention map built site by site in the baseline.
Electricity/ plan · implement · meter · orchestrate
Low-cost
green electricity.
Hotels carry a steady load with an evening peak — chillers, lifts, kitchens and lighting. Green open access is available from 100 kW under the Green Energy Open Access Rules, 2022, subject to state regulations, and properties in one state can be planned together. Batteries take over DG hours.
Hover the profile to read any 15-minute block
A hotel's heat follows its guests: hot water in the morning and evening, laundry and kitchens through the day, the pool all the time. The heat pumps take that from the chillers' rejected heat, and the store carries the morning peak from the previous evening's cheap blocks.
Plan
Meter-data due diligence: bills, load survey, rooftop and captive parameters. Solar, wind, hybrid, BESS and exchange electricity optimised together, capex or opex, with each state's ToD, banking and open access charges in the landed-cost model.
Implement
RfP over a 25-year horizon, developer evaluation, reverse auction, PPA and shareholder agreements (26% SPV equity for captive status), open access approvals and connection agreement.
Meter and log
ABT meters at injection and drawal points — main and check meters on CTs and PTs of the required accuracy class — plus data loggers on every incomer, heat pump, steam, fuel and water line. Installed, tested, sealed and linked to the SLDC and to ergOS.
Orchestrate
ergOS forecasts 96 blocks, schedules with the SLDC, trades DAM, GDAM, RTM and GTAM, manages banking and battery health — and now dispatches heat pumps and thermal storage against price.
Heat/ what moves, what stays
The boiler,
reinvented.
Almost all hotel heat is low-temperature: showers, dishwashing, laundry and the pool sit between 26 and 82 °C. Heat pumps are built for this — and the chillers already on site supply the heat.
Heat sources we reuse
Chiller condensers, kitchen and laundry exhaust, and warm grey water — a hotel rejects nearly as much heat as it buys.
Heating and cooling at once
Hotels cool all year while making hot water all day. A heat pump on the chiller circuit delivers both, so the cooling you already pay for produces your hot water.
Sized from metered heat
Portable heat meters log flow and temperature on candidate processes for two to four weeks before anything is sized.
Economics/ illustrative
Low-cost electricity
drives low-cost heat.
What one kWh of useful process heat costs, and what it emits, depending on where the heat comes from. The heat pump cuts cost on any electricity; green electricity is what cuts the carbon.
Illustrative only, not an offer. Assumptions: PNG 10.4 kWh/SCM, 1.95 kg CO₂/SCM; HSD 10.0 kWh/L, 2.68 kg CO₂/L; grid 0.716 kg CO₂/kWh (CEA baseline order of magnitude); green electricity treated as zero-emission on a market basis with green attributes retired. Heat pump COP 3.5 reflects hot water near 60 °C for guest rooms, drawn from the chiller condenser loop; COP falls as delivery temperature rises. Tariffs, fuel prices and COP vary by site and are replaced with metered values in the baseline. LPG: ₹95/kg, 12.8 kWh/kg, 2.98 kg CO₂/kg. Hotels on commercial tariffs may pay more than ₹8.5/kWh from the DISCOM, which strengthens the case for green open access.
Roadmap/ from baseline to proof
Baseline.
Electricity. Heat.
Proof.
BaselineWeeks 1–4
Bills, load survey, fuel and steam records, portable heat metering on candidate processes, ESG data map.
RoadmapWeeks 4–8
Green electricity plan across properties, heat pump shortlist for guest hot water, laundry and pool, and the ESG data map — in one business case.
Meter and logWeeks 6–12
ABT metering at the incomer and data loggers on electricity, heat, fuel and water lines — the measured base every later step is sized, settled and reported on.
Electricity live~3 months after roadmap
Open access contracted and approved; rooftop solar and BESS where they fit; every source orchestrated against demand on ergOS.
Heat livePilot, then scale
One heat-recovery heat pump and store on guest-room hot water at a pilot property; then laundry, pool and the rest of the portfolio.
Operate and discloseEvery block · every year
ergOS runs electricity and heat; esgOS publishes BRSR Core-format, CBAM, CDP and customer disclosures with an audit trail.
We can fund it. You choose how. Each lever — electricity or heat — can be bought four ways, and the two levers can be bought differently.
Timelines indicative; confirmed after the baseline and dependent on state approvals and equipment lead times.
Questions/ asked most often
Before you
commit anything.
Does it replace my boiler?
What if electricity is expensive?
What does the site need?
Is it proven?
In short/ Hotels & Hospitality
The Hotels & Hospitality playbook is jouleWise's typical engineering approach for hotels and hospitality portfolios: your chillers throw away your hot water.
One provider for green electricity, green heat and the data that proves both — from the chiller plant to guest-room showers to the laundry. For a hotel or hospitality group, energy and carbon now show up in corporate RFPs, certifications and owner reporting. Six pressures point at the same metered data. Almost all hotel heat is low-temperature: showers, dishwashing, laundry and the pool sit between 26 and 82 °C. Heat pumps are built for this — and the chillers already on site supply the heat.
What to take away
- Heat duties and temperatures: Guest-room hot water 55–65 °C (heat pump); Kitchen dishwashing 60–82 °C (heat pump); Laundry washers 40–80 °C (heat pump); Tumble dryers 60–90 °C (heat pump); Pool and spa 26–40 °C (heat pump); HVAC reheat and fresh air 25–45 °C (heat pump); Flatwork ironers 150–180 °C (stays on fuel); Cooking 180–200 °C (stays on fuel).
- PNG-fired boiler: ₹6.22 per kWh of useful heat, 0.221 kg CO₂/kWh-th
- Diesel (HSD) boiler: ₹10.59 per kWh of useful heat, 0.315 kg CO₂/kWh-th
- LPG-fired heater: ₹8.73 per kWh of useful heat, 0.274 kg CO₂/kWh-th
- Heat pump on DISCOM electricity: ₹2.43 per kWh of useful heat, 0.205 kg CO₂/kWh-th
- Heat pump on green open access: ₹1.57 per kWh of useful heat, 0.000 kg CO₂/kWh-th
- Heat pump in solar blocks + store: ₹1.14 per kWh of useful heat, 0.000 kg CO₂/kWh-th
- Plant areas with a lever: Guest hot water, Chiller plant, Laundry, Pools and spa, Portfolio reporting.
What it assumes
- Illustrative only, not an offer. Assumptions: PNG 10.4 kWh/SCM, 1.95 kg CO₂/SCM; HSD 10.0 kWh/L, 2.68 kg CO₂/L; grid 0.716 kg CO₂/kWh (CEA baseline order of magnitude); green electricity treated as zero-emission on a market basis with green attributes retired. Heat pump COP 3.5 reflects hot water near 60 °C for guest rooms, drawn from the chiller condenser loop; COP falls as delivery temperature rises. Tariffs, fuel prices and COP vary by site and are replaced with metered values in the baseline. LPG: ₹95/kg, 12.8 kWh/kg, 2.98 kg CO₂/kg. Hotels on commercial tariffs may pay more than ₹8.5/kWh from the DISCOM, which strengthens the case for green open access.
- Timelines indicative; confirmed after the baseline and dependent on state approvals and equipment lead times.
Start/ Hotels & Hospitality
Tell us the property.
We'll map the stack.
Send one year of electricity bills and fuel records. We return the baseline, the electricity-and-heat roadmap and the business case.
This presentation is issued for discussion purposes only. Prices, durations, heat pump performance and outcomes shown are indicative, depend on site, state, load profile, process temperatures, contracted terms, exchange prices and the regulatory orders in force, and do not constitute an offer, warranty or commitment by jouleWise. Screens and plant illustrations are illustrative. Client names are cited from jouleWise assignments. Any engagement is governed solely by definitive agreements between the parties.