Factory rooftops · Constanța County · Romania

Factory rooftop solar in Constanța: 132,000 kWh a year on 100 kWp

A 100 kWp array on a factory roof in Constanța generates about 132,000 kWh a year at the local specific yield of 1,320 kWh/kWp. Factories are a better solar match than most commercial buildings because process loads, compressed air and HVAC run through the same daylight hours the array is producing.

With roughly 70% self-consumed against €0.18/kWh, that output is worth about €16,632 a year and pays back in around 5.4 years on an installed cost near €90,000. Strong local irradiance plus daytime process load is why factory rooftops in Constanța are usually faster to close than speculative warehouse pitches.

Industrial estates around Constanța sit in the same Constanța County band as Medgidia, Mangalia and Năvodari. What changes site to site is roof area, shading from plant rooms, and whether the factory runs a true day shift. SolarScout flags those roofs from satellite and OpenStreetMap rather than from a bought list.

132,000 kWh
Annual output (100 kWp)
5.4 yrs
Est. payback
1,320 kWh/kWp/yr
Specific yield
€16,632
Annual savings

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Why factory roofs in Constanța self-consume more than warehouses

A quiet distribution shed may export a large share of midday generation. A factory in Constanța typically does not: motors, ovens, plating lines or refrigeration pull power while the sun is up, so a higher share of the 132,000 kWh stays behind the meter and the 5.4-year payback holds.

That is the conversation to open with — not "solar is green", but "this roof in Constanța offsets about €16,632 a year at today's tariff of €0.18/kWh".

What to inspect on a Constanța factory roof

Look for large, low-pitch structural roofs with few roof lights, limited HVAC clutter, and a south or east-west run that matches Constanța County's 1,320 kWh/kWp resource. North-light sheds and heavily plant-loaded roofs still work, but usable kWp drops and payback stretches past the 5.4-year city example.

SolarScout estimates footprint first, then (where Google Solar data exists) modelled annual kWh, so you can skip the roofs that will never carry a 100 kWp array and spend time on the ones that will.

How to turn Constanța factory roofs into a lead list

Scan Constanța in SolarScout and filter for factories. Each row carries an estimated roof area, a worked saving at €0.18/kWh, and contact fields where map data provides them. Export CSV or Excel and drop the list into your CRM.

When Constanța is thin, run the same scan on Medgidia, Mangalia and Năvodari — they share the Constanța County yield, so the economics stay comparable and you are not mixing a sunny coast with a cloudy hinterland.

Frequently asked questions

How much can a factory rooftop in Constanța generate?

About 132,000 kWh a year on a 100 kWp array. That is 100 kWp multiplied by Constanța's specific yield of 1,320 kWh/kWp; larger roofs scale linearly until structure, shading or grid export caps the design.

What payback does factory rooftop solar see in Constanța?

Around 5.4 years when most of the generation is used on site. Factories usually beat empty warehouses on that score because daytime process load matches the solar curve.

How does SolarScout find factory rooftops in Constanța?

It combines OpenStreetMap industrial building tags with satellite imagery and, where available, Google Solar modelling — then exports Constanța factories as leads with roof area and a €16,632/year worked example on 100 kWp.

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