Unfindable Engineers: The Talent Gap Blocking Renewable Energy Sites

The origin of the pressure now affecting Italian construction sites is regulatory and dates back to 2022. The REPowerEU plan — COM(2022) 230 final — imposed a 20% increase in wind and photovoltaic targets compared to the Fit-for-55 package, while doubling targets for biomethane and heat pumps. The 2024 National Integrated Energy and Climate Plan (PNIEC) translates this European acceleration into binding objectives for Italy. All 2030 national targets derive from this recalibration: they are not internal policy choices, they are derived obligations.

The 2024 PNIEC sets very precise installed capacity targets for 2030: 79.25 GW of photovoltaic, 28.14 GW of wind, for a total RES of 131 GW; the RES-E share of electricity production must reach 63.4% compared to 44% recorded in 2023. On the employment side, the Plan estimates that permanent employees in the renewable electricity generation sector will grow from over 40,000 FTE in 2022 to over 60,000 in 2030, with a net balance of +20,000 units (+56%). Added to these are approximately 168,000 additional average annual temporary FTE activated by construction in the 2024-2030 period: a need that requires not multi-year university training, but operational personnel available now, on site. The National Recovery Plan-REPowerEU has allocated significant resources for training — €6.3 billion with Transition 5.0, €1.5 billion for ITS Academies, €1 billion through the New Skills Fund — but the same regulatory reforms will require three to five-year cycles before producing a candidate pipeline. Policy delay is not a hypothesis: it is inscribed in the geometry of institutional timelines.

At the end of 2023, the total Italian RES fleet stood at 66.8 GW, of which 30.32 GW photovoltaic. At the end of 2024, photovoltaic alone reached 37.08 GW, with 6.66 GW of new installations in the year, growing 27.9% compared to 2023. The figure would seem encouraging; context puts it in perspective. The residual gap between the current level and the 2030 target is 42.17 GW of photovoltaic: to bridge it in the remaining six years, Italy must install an average of about 7 GW of PV alone every year. In 2025, instead, SolarPower Europe estimates an installation of 5.20 GW, equal to a 16% decrease compared to 2024. The actual pace is already 26% below the required pace, and Italy — which in 2024 was the third EU market — has slipped to fourth place in 2025, overtaken by France. 2025 signals a deceleration, not a course correction.

In this context of deceleration, the Transitional RES X Decree constitutes the most powerful accelerator of construction demand in recent years. The 14.65 GW tendered through competitive procedures — 10 GW photovoltaic, 4 GW wind, 0.63 GW hydroelectric — added to the 3 GW of direct access for plants up to 1 MW brings the total potential activated capacity to 17.65 GW. The incentive mechanism is structured as a two-way contract for differences lasting 20 years: the guaranteed tariff for two decades is therefore the asset that penalties erode. A 10 MW utility-scale photovoltaic plant awarded at €70/MWh with 9 months of delay suffers a 4.5% tariff reduction, corresponding to a cumulative loss of approximately €882,000 over the entire incentive period. Every day of construction site blocked due to lack of personnel directly translates into regulated revenue loss.

The demand for green workforce does not only concern RES companies in the strict sense. The Excelsior System estimates that in the 2025-2029 five-year period, Italy's overall employment need will be between 3.3 and 3.7 million entries. Of these, 33.6% is already classified as Green Jobs — about 1.95 million units in the five-year period. But the most revealing figure is another: 79.8% of all 5.8 million entries expected in 2025 alone — that is, 4,636,710 positions in technologies, services and construction — requires an attitude towards energy saving and environmental sustainability; 39.6% of these with a high degree of importance. Green competence is no longer a specificity of an industrial sector: it is the basic requirement of the entire Italian production system that is restructuring. For RES installer companies, which operate exactly at the epicentre of this transformation, competition for technical profiles does not only come from their own vertical market, but from the entire economy.

Faced with this picture, the recurring argument is that policy measures — National Recovery Plan, ITS Academy, New Skills Fund, Transition 5.0 — are destined to close the gap in the medium term. Data on the composition and timing of the structural gap show that this reading is premature. The reasons will be illustrated in the next section.

The Excelsior Information System — the Unioncamere survey conducted on a panel base of 50,000 companies, Italian methodological gold standard for employment forecasts — sets for 2025 an average recruitment difficulty of 47.0% on total entries. Applied to the Green Jobs category, that threshold rises to 53.4%, against 43.7% recorded for non-green positions: a delta of +9.7 percentage points systematically against transition roles.

The reading by macro-professional group further aggravates the picture. The group of skilled craftsmen and workers — which includes electricians, installers, plumbers and fitters, i.e., the figures who physically build the plants — records a recruitment difficulty of 63.0%, the absolute peak of the entire Excelsior classification. Technical professions (designers, site technicians) stand at 56.9%; managers — including EPC supply chain project managers — at 55.1%. At all levels of the production hierarchy, the demand for green skills acts as a scarcity multiplier.

The pervasiveness of the phenomenon is further documented by the size of aggregate demand: in 2025, 79.8% of all entries expected by Italian companies — equal to 4,636,710 contracts — requires at least an attitude towards energy saving or environmental sustainability; 58.8% (3,415,730 positions) requires specific skills in managing green products and technologies. This is not a niche requirement: it is the Italian labour market as a whole that has incorporated green skill as an ordinary access condition.

The ANIE Confindustria 2025 Position Paper — developed with the contribution of TEHA Group and Intesa Sanpaolo — finds that the training mismatch has already produced concrete and measurable economic consequences: 70% of installation companies have slowed their projects; 29% have lost market opportunities due to unavailability of qualified technical personnel. The reference perimeter is significant: in 2022, about 66,000 electrical installation companies operated in Italy, with a total workforce of about 251,000 employees. The consistency between Excelsior and ANIE data is structural, not casual: the 63-74% unfindability of skilled workers is the cause; the 70% of delayed construction sites is the effect.

The disaggregation by individual professional figure — with green competence required at high level — returns an unfindability map that precisely coincides with the structural professions of any EPC contract in renewable energy. Plumbers and pipe layers are unfindable in 81.1% of cases (+34.1 pp above national average). Prefabricated manufacturers at 80.1% (+33.1 pp). Electricians in civil construction at 74.5% (+27.5 pp). Industrial designers at 73.2%, civil construction site management technicians at 71.5%, civil construction technicians at 69.8%, mechanical technicians at 69.5%. Out of ten attempts to hire a building electrician with green skills, seven fail. This is not marginal scarcity; it is structural scarcity in the figures that determine whether a plant is completed on contractual time or not.

The gap is not uniformly distributed across the territory. The North-East — area of maximum concentration of industrial plants, manufacturing districts and infrastructure construction sites — records the national record of difficulty for Green Jobs, at 58.7%. The North-West (54.5%) and Centre (51.8%) follow. The South and Islands (49.3%) shows difficulty below the national green average. The territory where most utility-scale photovoltaic plants and onshore wind installations are physically built is the same where technical profiles are most difficult to find. There is no simple geographical arbitrage.

The Italian case is not an anomaly: it is the local version of a global structural phenomenon already documented on a planetary scale. The LinkedIn Global Green Skills Report 2023 — based on analysis of 930 million profiles in 48 countries — had already quantified that demand for green skills in job postings was growing at 22.4% annually, against a supply of green talent expanding at 12.3%: almost double. The Global Green Stocktake 2025 confirms that the proportion of the gap has remained unchanged for the second consecutive year: demand for green hires grows at 8%, supply of green skills in the workforce at 4%, still in a 2:1 ratio. The global market is not approaching equilibrium: it is normalising it as a structural condition.

A flow deficit in the training system overlaps with stock criticalities. The Excelsior 2025-2029 Forecast Report estimates that, in the negative scenario, about 7,000 graduates or ITS Academy diploma holders in engineering will be missing annually; in the positive scenario the gap exceeds 10,000 units per year. For Education and Vocational Training (IeFP) courses in construction and electrical sectors, annual demand is estimated at 21,400-25,000 units against a supply of only 6,000 graduates: a structural shortfall in the order of 15,000-19,000 operational figures per year. The European Skills Index 2024 places Italy in second-to-last place in Europe for ability to match skills produced by the training system and needs expressed by the labour market.

Three heterogeneous sensors — Excelsior, ANIE, LinkedIn — converge on the same diagnosis: the workforce gap in Italian renewable energy is active, measurable and worse than the reading of aggregate needs alone would suggest. Scarcity does not concern marginal segments of the labour market; it hits the operational and technical figures that determine the physical closure of construction sites. It is not the PNIEC that is failing. It is construction sites that do not close because 7 out of 10 electricians cannot be found.

The section breaks down the vacancy cost across three distinct levers, which operate in parallel and add up: the academic cost of the vacant position (based on the Sullivan/SHRM framework), the regulatory penalty of the RES X Decree (direct legal lever often underestimated), and construction site cost inflation (component not precisely quantifiable but real, which aggravates the first two).

The HR literature on quantifying the cost of a vacant position has been consolidated for over twenty years. The foundational framework is that of John Sullivan (1999, reworked 2015), adopted by the Society for Human Resource Management (SHRM) as the standard for measuring Cost of Vacancy (COV). The operational formula includes three components: daily Revenue-per-Employee multiplied by role multiplier and vacancy days; plus direct recruiting costs; plus onboarding and time-to-productivity costs. The Sullivan multiplier varies between 1x and 3x depending on role: back-office (1.0-1.5x), operational technical (2.0x), EPC PM or mission-critical engineer (3.0x).

The most updated salary source available is the Hays Italy Salary Guide 2026, based on 1,300 interviews conducted between November and December 2025. Fixed gross annual salary ranges for EPC-critical profiles: PV Project Manager, executive over 10 years, €75,000-87,000 (used €75,000 in scenarios); Electrical Engineer, middle 2-5 years, €40,000-48,000 (used €45,000); Site Engineer, junior 0-2 years, €31,000-38,000 (used €35,000). Salaries of RES professionals in Italy are growing at an estimated rate between +10% and +20% annually compared to continental Europe, driven by candidates' awareness that demand exceeds supply.

Time-to-Fill for specialised RES roles in Italy is 4-8 weeks in the actual recruiting phase. But the real vacancy time for an Italian EPC is substantially longer: need identification and internal briefing (1-2 weeks), approval and mandate activation (1 week), recruiting and selection process (4-8 weeks), notice period of selected candidate construction/metalworking collective agreement executive level (1-2 months), ramping and productive onboarding (4-6 weeks). The realistic total for a critical EPC role ranges between 12 and 16 weeks. For this paper, 14 weeks (70 working days) is adopted as reference scenario.

Scenario A — Senior EPC Project Manager (€75,000 gross salary, 3x multiplier, 14 weeks). Baseline hypothesis: mid-size EPC, €15 million turnover, 50 employees, daily Revenue-per-Employee €1,364. Total productivity COV (70 days at €4,091/day): €286,370. Direct recruiting costs (25% gross salary): €18,750. Onboarding/ramp-up costs: €18,750. Total COV Scenario A: approximately €323,870 — equal to 4.3 times the annual gross salary. The 3x multiplier is justified by the revenue-generating role of the PM: without him contracts are not delivered on contractual time, and the 70% of construction site delays documented by ANIE Confindustria empirically confirms that productivity loss is real, not theoretical.

Scenario B — Middle Electrical Engineer (€45,000 gross salary, 2.5x multiplier, 10 weeks): approximately €187,330 total, equal to 4.2 times annual gross salary. Scenario C — Junior Site Engineer (€35,000 gross salary, 2x multiplier, 8 weeks): approximately €119,010 total, equal to 3.4 times annual gross salary. These scenarios are mathematical constructions on declared assumptions, not sector benchmarks. They should be read as conservative estimates from below.

For an EPC that has in portfolio an auction awarded under the Transitional RES X Decree, there is a second cost lever completely independent of the SHRM framework. The penalisation mechanism provides for a reduction of the award price of 0.5% for each month of delay, up to a maximum limit of nine months; beyond that threshold GSE executes the entire definitive guarantee and the incentive right expires. The penalty structure is asymmetric: it is not a one-off fine, it is a permanent reduction of the guaranteed tariff for the 20 years duration of the contract for differences. For a 10 MW utility-scale PV plant at €70/MWh, the cumulative loss over 20 years reaches €882,000 for 9 months of delay. The loss from regulatory penalty alone already exceeds the COV of a senior Project Manager by almost three times.

There is a third item that does not lend itself to precise quantification: construction site cost inflation during a prolonged vacancy. Surviving colleagues absorb the excess load, with increased overtime and risk of burnout and cascading turnover. The slowing of technical supervision generates installation errors and rework. Specialised subcontractors, not optimally coordinated, multiply hours. The real cost of a prolonged vacancy is structurally higher than the sum of academic COV and regulatory penalty.

Consolidating the picture for a mid-size EPC in multiple vacancy scenario (3 PM + 4 Electrical Engineers + 3 Site Engineers vacant): the overall active vacancy cost is approximately €2.1 million. Adding the RES X penalty for 9 months delay on a 10 MW auction (approximately €0.9 million), the total scenario cost is in the order of €3-4 million — between 20% and 27% of the hypothetical EPC's annual turnover. The cost of scarcity is not a footnote to the balance sheet: it is an item that can determine the year's result.

The relationship between demand and supply confirms the structure of the problem. Demand for green hires grows at 8% annually; supply of workers with green skills grows at 4%. The proportional gap is identical to that measured in 2023 — 2:1 — even if absolute volumes have slowed compared to double-digit growth rates of 2022-2023. The cyclical slowdown has not brought demand and supply closer: it has simply moved both towards more sustainable paces, but preserving the same structural proportion. For Italian EPC contractors, this means that a technical professional with RES skills already has three or four offers under evaluation when the company is in selection.

The most relevant data does not emerge from salary rankings. It emerges from an apparently simple question: would you like to work in the energy transition? 43% of global workers answered yes. Among Generation Z workers the share rises to 58%. This is not a signal of environmental activism: it is the work preference data of almost half the workforce. A pool of this size, if even partially converted, far exceeds the structural shortage documented in the RES market.

The next question reveals why this pool remains unused. 44% of workers declare they receive no green training from their employer. In Italy, the Hays Salary Guide 2026 finds that 77% of Italian HR departments declare they have no active green training plan. The juxtaposition of the two data points is the diagnostic core: 43-58% of workers want to work in the transition; 77% of companies do not communicate it, do not train it, do not signal it. It is not a compensation issue: companies that win are not necessarily those that pay more — they are those that have learned to speak to the 43%.

The Brightsmith Group State of Clean Energy Recruitment 2025 reveals that 38% of cleantech recruiters identify sourcing of niche technical talent as their main concern, followed by managing regulatory complexity (25%), retention (20%) and team scaling (17%). The declared number one problem is not labour cost, not bureaucracy: it is finding the right people. The speed of the selection process becomes a signal of organisational quality: a 90-day selection cycle, in this market, is equivalent to a cycle on candidates already hired by others.

Joint LinkedIn-OECD research documents that hiring based on actual skills — rather than qualifications or formal educational paths — multiplies the accessible candidate pool by 6x. Technicians from Oil & Gas — a sector where green talent concentration reached 21% in 2023 — bring skills in plant maintenance and complex construction site management with an average skill similarity of 0.72 compared to target roles in the RES supply chain. 51% of global green hires in 2025 occur in roles that were not formally classified as green: green skills have become transversal business competences.

Data converge on three operational areas where top-performing companies distinguish themselves. First, green-native EVP: the pure-play renewables EPC has a structural advantage over integrated utilities — there is a substantial difference between working for a company that also does renewables and one that only does renewables. This advantage is not perceived if not communicated: in job postings, LinkedIn profiles, presentations to ITS. Second, hiring process agility: top-performers simplify internal decision-making — pre-approved salary band, technical manager brief before position opening, technical and HR interview in the same week. Third, physical presence and territorial community building: sector events, partnerships with regional ITS Foundations, presence at technical university career days build a pipeline of passive candidates that becomes active when a position opens.

The cost of a single senior EPC Project Manager vacancy is estimated at approximately €323,870 for 14 weeks of vacant position. The cost of sustained LinkedIn presence for six months, sponsoring a technical career day and building a partnership with a regional ITS is measured in tens of thousands of euros — and produces effects that capitalise over time. Data shows where the game is played: 43% of global workers would like to work in the transition. Companies do not attract them because they do not know how to tell them they are doing it.

1. Intersectoral reskilling: mining adjacent pools. The sector will not grow from its own alumni: the training pipeline covers about 7,000 engineering graduates or ITS Academy diploma holders per year against a multiple need. The immediate lever is to map pools of adjacent skills geographically close to the company. Average skill similarity for successful green professional transitions is 0.72: those moving from Oil & Gas, Automotive or Manufacturing to renewables already bring 80% of required technical skills. The Italian Oil & Gas sector today counts 21% of workers with green skills — a pool that has self-selected towards transition. Concrete action: survey technical profiles of plant engineers and maintenance workers in district manufacturing companies, set targeted offers with 3-6 month internal reskilling plan, activate agreements with territorial unions for training hours.

2. ITS Academy partnerships: building the 24-month pipeline. 59.2% of ITS student entries are classified as Green Jobs. Two-year ITS paths are dimensioned exactly on the operational profile an EPC seeks. The National Recovery Plan allocates €1.5 billion for strengthening ITS Academy 4.0 laboratories. Regional ITS Foundations seek partner companies to co-design curriculum and host internships: the EPC that stipulates an agreement obtains, at the cost of a few days of company teaching per year, a pipeline of pre-evaluated candidates 24 months in advance of position opening. Concrete action: identify the nearest energy area ITS Foundation, propose a co-mentoring agreement with 2-4 paid annual internships, insert a company technician as lecturer for the RES construction site module.

3. New Skills Fund: make the public pay for training. The New Skills Fund — endowed with €1 billion REACT-EU already allocated — allows companies to remodulate working hours through collective agreements and have the Fund cover the cost of hours dedicated to internal training. It is operational, technically available, and substantially under-utilised by mid-size EPCs that do not have a structured HR office to intercept it. Concrete action: involve a labour consultant to draft the company collective agreement, define a 40-80 hour training plan for existing technical profiles (update on utility-scale PV systems, storage, CEI regulations), activate the procedure. The training plan cost becomes charged to the Fund.

4. Transition 5.0: the double capex + skills dividend. Mission 7 of the National Recovery Plan-REPowerEU made €6.3 billion available for the 2024-2025 biennium through the Transition 5.0 provision. The instrument incentivises both the purchase of RES plants and technologies and personnel training programmes for their use: an EPC that installs a storage system or updates its instrumentation can simultaneously access the capex incentive and training hours reimbursement. The tax and social security dividend frees margin to reallocate on recruiting and employer branding.

5. Green-native EVP communicated continuously: the only always available lever. The first four levers depend on tenders, deadlines and institutional agreements. This one does not. 43% of global workers (58% in Gen Z) declare they want to work in the energy transition; 44% of the same say they receive no green training from their employer; in Italy 77% of engineering HR has no active training plan. This is not a salary gap: it is a narrative gap. The pure-play renewables EPC has a structural advantage over integrated utilities still anchored to fossil fuels — but that advantage does not exist in the candidate's perception if not communicated. Channels are differentiated by profile: LinkedIn reaches engineers and project managers; sector events and open days on construction sites reach technicians and blue collar; partnerships with ITS build visibility with passive candidates at 24-36 months.

Anti-patterns to avoid. Relying exclusively on the salary lever is no longer a strategy: the +10-20% annual premium already recorded on the market has become the expected baseline, not a differential. Trying to solve the problem by buying individual positions through headhunters exposes to growing fee costs — already at +20% premium on senior roles — without building any future pipeline. Waiting for National Recovery Plan reforms and the ITS system to automatically generate the necessary candidates means ignoring the geometry of time: regulatory reforms have 3-5 year cycles, their effects will arrive from 2028 onwards. The 70% of construction site delays documented by ANIE is a 2026 problem, not a 2029 one. EPCs that will win the decade are those that today stop considering employer branding as an HR cost and start accounting for it as what it is: a capital investment that returns 4-5x in avoided vacancy costs every year.

The paper is based on a corpus of 23 sources analysed between 2022 and 2025. Sources are distributed in the following typologies: policy and regulation (PNIEC 2024, National Recovery Plan, Transitional RES X Decree DM 457/2024, REPowerEU); official statistics (GSE, Unioncamere-Excelsior, IRENA-ILO); industry and advocacy (SolarPower Europe, ANIE Confindustria, Brightsmith Group, Michael Page, Hays, PageGroup/WRE/Asanify, Confindustria Energia); big data (LinkedIn Economic Graph on 930 million profiles in 48 countries); academic HR literature (Sullivan/SHRM framework, Boushey-Glynn CAP 2012, CEB/Gartner 2014); corporate (Edison S.p.A. Report on Operations 2023, reconstructed). The survey period covers the 2022-2025 four-year period.

Seven sources in the corpus are reconstructed by triangulation with institutional sources present in the dossier: Ember 'European Electricity Review 2026', Excelsior monthly bulletins 2024-2025, SHRM/Sullivan framework (external academic literature, cited as consolidated methodological framework), Edison Report on Operations 2023, REPowerEU COM(2022) 230 final, 'Growing Green' and related active policy instruments, Confindustria Energia 'Work and Energy'. Every claim built on reconstructed source is triangulated with at least two primary sources from the dossier. No headline number in the paper depends exclusively on a reconstructed source.

The following sources present declared structural biases. LinkedIn Economic Graph overrepresents white-collar workers with digital profiles: for blue-collar profiles LinkedIn data has been integrated with Excelsior and ANIE Confindustria. Hays and Michael Page salary guides survey salaries of candidates transiting through their channels, typically profiles above the ISTAT median for the engineering sector: the choice to use the lower limit of the Hays range as calculation input partially mitigates this effect. Brightsmith, NES Fircroft and Asanify are commercial sources that reflect the voice of market of specialised recruiting: they should be read as qualitative signals, not as quantitative benchmarks.

COV model methodological choices: 14 weeks as reference time-to-vacancy, calculated by summing actual operational phases including collective agreement notice period; 3x multiplier applied to senior EPC Project Manager only, 2.5x to middle Electrical Engineer, 2x to junior Site Engineer; mid-size EPC baseline scenario (€15 million turnover, 50 employees) purely illustrative and not representative; Revenue-per-Employee over 220 working days/year (construction and metalworking collective agreement convention); RES X penalty calculated linearly on 0.5%/month applied to a hypothetical 10 MW plant at €70/MWh.

The paper does not claim to establish a universal Cost of Vacancy benchmark for the Italian EPC sector (would require original survey on representative panel), nor to replace HR consultancy on a specific company (scenarios are sensitivity tools), nor to predict post-2030 employment needs (analysis stops at 2028-2030 horizon, consistent with PNIEC targets and Transitional RES X deadline).