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AIRVOLT

Selected work

Engineering you can audit.

Each case study sets out the challenge, the engineering design, the installation approach, the full specification and the results we measured afterwards.

A cliffside villa that left the grid behind

Luxury Homes · Marbella, Spain · 2025

A cliffside villa that left the grid behind

A 940 m² residence with pool, wine cellar, full climate control and three electric vehicles, running at 94 % energy independence.

94 %
energy independence
€11,400
annual saving
16.2 t
CO₂ avoided per year
0
outages experienced since
84 apartments, one shared energy system

Residential Developments · Valencia, Spain · 2025

84 apartments, one shared energy system

Collective self-consumption across 84 dwellings with allocated generation, communal storage and 62 EV-ready parking bays.

34 %
average bill reduction per home
€0
grid connection upgrade cost
228 MWh
generated annually
71 t
CO₂ avoided per year
Cutting a factory's capacity charge in half

Industry · Zaragoza, Spain · 2024

Cutting a factory's capacity charge in half

1.6 MWp of rooftop generation plus 2.4 MWh of storage, engineered around a punishing peak-demand tariff.

52 %
capacity charge reduction
€412k
annual saving
4.1 yr
payback
780 t
CO₂ avoided per year
A 240-room resort that charges its own guests' cars

Hospitality · Mallorca, Spain · 2025

A 240-room resort that charges its own guests' cars

Canopy and rooftop solar, 300 kWh of storage and 28 universal charging bays with guest billing.

38 %
energy cost reduction
€186k
annual saving
+14 %
EV-driver bookings
212 t
CO₂ avoided per year
Electrifying a 180-vehicle logistics hub

Fleets · Barcelona, Spain · 2025

Electrifying a 180-vehicle logistics hub

180 AC bays, 8 DC fast bays and 1.2 MWh of buffer storage on a connection that could never have served them unmanaged.

-41 %
energy cost per km
100 %
vehicles at target SoC
€2.1M
avoided connection upgrade
1,940 t
CO₂ avoided per year
A 40-stall fast-charging hub at the terminal door

Public Infrastructure · Málaga, Spain · 2026

A 40-stall fast-charging hub at the terminal door

A medium-voltage connection, two transformer stations and 40 high-power stalls delivered as a piece of civic architecture.

99.7 %
achieved uptime
2,400
sessions per week
40
stalls live
310 kWp
on-site generation
Turning a car park roof into a power plant

Retail · Sevilla, Spain · 2024

Turning a car park roof into a power plant

900 kWp of canopy solar, 500 kWh of storage and 46 charging bays across three levels.

€298k
annual saving
+21 min
average dwell time
1.32 GWh
annual generation
410 t
CO₂ avoided per year
Net-zero-ready headquarters retrofit

Commercial · Madrid, Spain · 2025

Net-zero-ready headquarters retrofit

A full electrical retrofit of a 1990s headquarters: new boards, circuit-level metering, rooftop PV and 60 charging bays.

A
EPC rating achieved
-29 %
total energy consumption
€214k
annual saving
+7 %
valuation uplift
A 12 MWp farm with grid-forming storage

Utility Scale · Extremadura, Spain · 2024

A 12 MWp farm with grid-forming storage

Utility-scale generation with 8 MWh of storage providing firming and network services.

+31 %
revenue vs unfirmed
-88 %
curtailed energy
22 GWh
annual generation
6,800 t
CO₂ avoided per year
A 140-home community operating as one virtual power plant

Communities · Alicante, Spain · 2026

A 140-home community operating as one virtual power plant

Every home with solar and storage, aggregated into a single dispatchable resource with shared backup.

1.3 MW
dispatchable capacity
€420
average annual VPP credit per home
87 %
community self-sufficiency
540 t
CO₂ avoided per year

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