The following is a list of the 10 most and least shorted utility stocks, according to the short ratio. The ratio expresses the total number of shares shorted as a multiple of the average daily volume, i.e. the short ratio shows how many days of average volume are needed to cover all short positions.

We're not going to go into detailed analysis for each company. The goal here is to give you a starting point for your own analysis.

Short float data sourced from Finviz.**Top 10 Most Shorted Utility Stocks (By Short Ratio)*** 1. South Jersey Industries, Inc. (NYSE:SJI): *Gas Utilities Industry. Market cap of $1.54B. Short float at 8.56%, which implies a short ratio of 20.32 days. The stock has gained 49.99% over the last year.

*Electric Utilities Industry. Market cap of $1.42B. Short float at 9.81%, which implies a short ratio of 19.66 days. The stock has gained 63.95% over the last year.*

**2. Brookfield Infrastructure Partners L.P. (NYSE:BIP):***Gas Utilities Industry. Market cap of $1.32B. Short float at 8.33%, which implies a short ratio of 19.2 days. The stock has gained 19.68% over the last year.*

3. Northwest Natural Gas Company (NYSE:NWN):3. Northwest Natural Gas Company (NYSE:NWN):

*Water Utilities Industry. Market cap of $3.01B. Short float at 7.8%, which implies a short ratio of 16.18 days. The stock has gained 39.59% over the last year.*

**4. Aqua America Inc. (NYSE:WTR):***Diversified Utilities Industry. Market cap of $965.54M. Short float at 3.56%, which implies a short ratio of 15.75 days. The stock has gained 21.56% over the last year.*

**5. MGE Energy Inc. (NASDAQ:MGEE):***Diversified Utilities Industry. Market cap of $765.43M. Short float at 8%, which implies a short ratio of 14.79 days. The stock has gained 139.37% over the last year.*

**6. Vicor Corp. (NASDAQ:VICR):***Gas Utilities Industry. Market cap of $2.02B. Short float at 8%, which implies a short ratio of 14.53 days. The stock has gained 22.91% over the last year.*

**7. WGL Holdings Inc. (NYSE:WGL):***Gas Utilities Industry. Market cap of $4.14B. Short float at 9.69%, which implies a short ratio of 14.52 days. The stock has gained 59.26% over the last year.*

**8. Integrys Energy Group, Inc. (NYSE:TEG):***Electric Utilities Industry. Market cap of $753.45M. Short float at 5.07%, which implies a short ratio of 13.45 days. The stock has lost -5.63% over the last year.*

**9. Otter Tail Corporation (NASDAQ:OTTR):***Electric Utilities Industry. Market cap of $5.51B. Short float at 6.2%, which implies a short ratio of 13.14 days. The stock has gained 13.55% over the last year.*

**10. Calpine Corp. (NYSE:CPN):**

Top 10 Least Shorted Utility Stocks (By Short Ratio)Top 10 Least Shorted Utility Stocks (By Short Ratio)

*Gas Utilities Industry. Market cap of $33.72B. Short float at 0.04%, which implies a short ratio of 0.4 days. The stock has gained 0.19% over the last year.*

**1. National Grid plc (NYSE:NGG):***Electric Utilities Industry. Market cap of $784.34M. Short float at 0.2%, which implies a short ratio of 0.72 days. The stock has gained 34.78% over the last year.*

**2. Pampa Energia SA (NYSE:PAM):***Electric Utilities Industry. Market cap of $488.86M. Short float at 0.21%, which implies a short ratio of 0.84 days. The stock has gained 32.76% over the last year.*

**3. Edenor SA (NYSE:EDN):***Electric Utilities Industry. Market cap of $6.21B. Short float at 1.37%, which implies a short ratio of 0.99 days. The stock has lost -3.55% over the last year.*

4. Constellation Energy Group, Inc. (NYSE:CEG):4. Constellation Energy Group, Inc. (NYSE:CEG):

*Electric Utilities Industry. Market cap of $4.2B. Short float at 0.79%, which implies a short ratio of 1.31 days. The stock has gained 43.39% over the last year.*

**5. OGE Energy Corp. (NYSE:OGE):***Gas Utilities Industry. Market cap of $3.06B. Short float at 0.51%, which implies a short ratio of 1.32 days. The stock has gained 15.71% over the last year.*

6. AGL Resources Inc. (AGL):6. AGL Resources Inc. (AGL):

*Diversified Utilities Industry. Market cap of $19.05B. Short float at 1.28%, which implies a short ratio of 1.35 days. The stock has gained 22.49% over the last year.*

**7. PG & E Corp. (NYSE:PCG):***Foreign Utilities Industry. Market cap of $15.78B. Short float at 0.12%, which implies a short ratio of 1.37 days. The stock has gained 26.28% over the last year.*

**8. Empresa Nacional de Electricidad S.A. (NYSE:EOC):***Electric Utilities Industry. Market cap of $535.46M. Short float at 13.3%, which implies a short ratio of 1.43 days. The stock has lost -56.68% over the last year.*

**9. Dynegy Inc. (NYSE:DYN):***Water Utilities Industry. Market cap of $4.34B. Short float at 1.03%, which implies a short ratio of 1.59 days. The stock has gained 31.76% over the last year.*

**10. American Water Works Company, Inc. (NYSE:AWK):****Disclosure:**No positions