Solar Energy Development
| Period | Solar Capacity Licensed (MW) | Cumulative Solar | Share of New Licenses |
|---|---|---|---|
| 1995–2015 | 0 | 0 | 0% |
| 2016–2020 | 15 | 15 | <1% |
| 2020/21 | 310 | 325 | 5% |
| 2021/22 | 7 | 332 | <1% |
| 2022/23 | 6 | 338 | <1% |
| 2023/24 | 65 | 403 | 10% |
| 2024/25 | 1,195 | 1,598 | 85% |
| 2025/26 (partial) | 305 | 1,903 | - |
Energy Sector Evolution Period
| Indicator | 1995–2010 | 2011–2022 | 2023–2025 | 1995–2025 |
|---|---|---|---|---|
| Mean Energy FDI (Rs million) | 1,250 | 45,000 | 85,000 | 32,500 |
| Mean Energy FDI share of total | 7.2% | 26.4% | 8.7% | 15.1% |
| Mean realization rate | 29.8% | 35.2% | 24.8% | 31.9% |
| Hydropower capacity (end period, MW) | 500 | 2,200 | 2,700+ | 2,700+ |
| Solar licensed (end period, MW) | 0 | 317 | 1,598 | 1,598 |
| Electricity sector growth (end period) | 5.2% | 9.8% | 20.93% | 20.93% (2025/26) |
Electricity Sector GDP Growth
| Year | Electricity Sector Growth (%) |
|---|---|
| 2000 | 2.1 |
| 2005 | 3.4 |
| 2010 | 5.2 |
| 2015 | 8.7 |
| 2020 | 6.2 |
| 2022 | 9.8 |
| 2023 | 11.2 |
| 2024 | 15.6 |
| 2025/26 | 20.93 |
Diagnostic Test Results
| Test | Statistic | p-value | Conclusion |
|---|---|---|---|
| Breusch-Godfrey LM | F(2,3) = 3.512 | 0.158 | No serial correlation |
| Breusch-Pagan-Godfrey | F(18,5) = 1.238 | 0.441 | No heteroskedasticity |
| ADF on residuals | t = −3.108 | 0.038 | Residuals stationary |
| Jarque-Bera | - | >0.05 | Residuals normal |
| Ramsey RESET | - | >0.05 | Model correctly specified |
Error Correction Model
| Variable | Coefficient | Std. Error | t-Statistic | Prob. |
|---|---|---|---|---|
| DEFDI | −0.011 | 0.018 | −0.611 | 0.548 |
| DEFDI -1 | 0.122 | 0.023 | 5.304 | 0.002 |
| DEFDI -2 | −0.186 | 0.026 | −7.154 | 0.001 |
| DECAPF | 179.28 | 53.12 | 3.375 | 0.019 |
| DECAPF-1 | −308.45 | 81.67 | −3.777 | 0.011 |
| DEEMP) | −1.085 | 0.762 | −1.424 | 0.208 |
| DEEMP-1 | 6.285 | 1.238 | 5.077 | 0.003 |
| ECT(-1) | −0.589 | 0.087 | −6.770 | 0.001 |
FDI Realization Rate Series
| Year | Realization Rate (%) | Note |
|---|---|---|
| 1995 | 28.3 | |
| 2000 | −2.1 | Negative inflow |
| 2005 | −3.4 | Negative inflow |
| 2010 | 35.2 | |
| 2011 | 128.8 | Peak — actual exceeded approvals |
| 2015 | 32.4 | |
| 2020 | 34.1 | |
| 2022 | 35.2 | |
| 2023/24 | 13.6 | Trough |
| 2024/25 | 37.9 | Recovery |
| 1995–2025 Average | 31.9% | Full period mean |
Lag Length Selection
| Lag | LogL | LR | FPE | AIC | SC | HQ |
|---|---|---|---|---|---|---|
| 0 | −788.45 | NA | 3.12e+22 | 63.18 | 63.38 | 63.24 |
| 1 | −726.78 | 95.88* | 8.88e+20* | 59.58* | 60.56 | 59.83* |
| 2 | −716.21 | 13.82 | 1.51e+21 | 60.02 | 61.78 | 60.50 |
| 3 | −689.56 | 24.85 | 9.05e+20 | 59.18 | 61.72 | 59.90 |
Cointegration Bound Test
| F-Bounds Test | Null Hypothesis: No levels relationship | |||
|---|---|---|---|---|
| Test Statistic | Value | Significance | I (0) | I (1) |
| Asymptotic: n=1000 | ||||
| F-statistic | 4.940610 | 10% | 2.37 | 3.2 |
| k | 3 | 5% | 2.79 | 3.67 |
| 2.5% | 3.15 | 4.08 | ||
| 1% | 3.65 | 4.66 | ||
| Actual Sample Size | 24 | Finite Sample: n=35 | ||
| 10% | 2.618 | 3.532 | ||
| 5% | 3.164 | 4.194 | ||
| 1% | 4.428 | 5.816 | ||
Augmented Dickey-Fuller(ADF) Unit Root Tests
| Variable | Level I(0) | First Difference I(1) | Integration Order |
|---|---|---|---|
| EGDP | 2.18 (0.99) | −4.31 (0.002)* | I(1) |
| EFDI | −3.62 (0.001)* | −6.55 (0.000) | I(0) |
| ECAPF | −0.44 (0.87) | −4.82 (0.001)* | I(1) |
| EEMP | −4.20 (0.003)* | −5.18 (0.000) | I(0) |
Energy FDI Share of Total FDI Series 1995–2025
| Year | Energy FDI Share (%) | Phase Context |
|---|---|---|
| 1995 | 4.2 | Foundation |
| 2000 | 6.1 | Foundation |
| 2005 | 8.5 | Foundation |
| 2010 | 12.3 | Foundation to Boom transition |
| 2015 | 22.7 | Hydropower boom |
| 2020 | 31.5 | Hydropower boom |
| 2022 | 38.24 | Peak of hydropower boom |
| 2023 | 25.0 | Diversification begins |
| 2024 | 12.0 | Solar transition |
| 2025 | 1.0 | Solar dominance |
Variable Definitions
| Variable | Symbol | Description | Unit |
|---|---|---|---|
| Energy sector GDP | EGDP | Contribution of energy sector to national GDP | Rs. million |
| Energy FDI | EFDI | Net actual FDI inflow into energy sector | Rs. million |
| Energy capital formation | ECAPF | Gross fixed capital formation in energy sector | Rs. million |
| Energy employment | EEMP | Number of persons employed in energy sector | Persons |
Long-Run Coefficients
| Variable | Coefficient | Std. Error | t-Statistic | Prob. |
|---|---|---|---|---|
| EFDI | 0.150 | 0.128 | 1.172 | 0.031 |
| ECAPF | 0.112 | 172.45 | 6.488 | 0.001 |
| EEMP | −14.82 | 5.42 | −2.734 | 0.039 |
| Constant | −14025.33 | 2987.21 | −4.695 | 0.005 |